19980129000861998012900086EA 1998 1 29 98ZZZX317 219980109G732325241673 GOVERNOR BENDIX BEECH 90 65A90 1152908CE PWA PT6 PT6A20 52043EA ENGINE FAILED D EA ENGINE SHUTDOWN UNSCHED LANDING R PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 CE01566CA 3600 2097 LJ184 20665 POWER TURBINE GOVERNOR FLYWEIGHTS AND BUSHING FAILED CAUSING GOVERNOR TO DUMP PY AIR TO FUEL CONTROL UNIT ALLOWING POWER TO DROP TO 50 PERCENT. ENGINE WAS FEATHERED AND RETURNED TO HOME BASE WHERE GOVERNOR WAS REPLACED WITH OVERHAULED UNIT AND CHECKED OPERATION AND FLIGHT TEST. 1L72 3T3 T 3A20 E4EA 19980129000921998012900092GL 1998 1 29 98ZZZX323 219980106G7323252466712 GOVERNOR BELL 206 206B 1181511SW ALLSN 250C 250C20 03013GL ENGINE PT FAILED B LS1RK NONE O OTHER NRNOT REPORTED 1 EA139907K 1576 22981 2040 GOVERNOR SLOW TO RESPOND TO POWER CHANGES (HIGH AND LOW SIDE). 1G71 3U3 U H2SW E4CE 19980219001411998021900141NE 1998 2 19 98ZZZX722 219980107G7250 SHAFT GE CFM56 CFM56* 13802NE TURBINE MISHEAT TREAT B NM1YK NONE W INADEQUATE Q C ININSP/MAINT 1 EA33 FN0524 QUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED. 4 F E2GL 19980219001421998021900142NE 1998 2 19 98ZZZX723 219980107G7250 SHAFT GE CFM56 CFM56* 13802NE TURBINE MISHEAT TREAT B NM1YK NONE W INADEQUATE Q C ININSP/MAINT 1 EA33 FN0907 QUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED. 4 F E2GL 19980219001431998021900143NE 1998 2 19 98ZZZX724 219980107G7250 SHAFT GE CFM56 CFM56* 13802NE TURBINE MISHEAT TREAT B NM1YK NONE W INADEQUATE Q C ININSP/MAINT 1 EA33 FN1006 QUALITY AUDIT FOUND CFM TURBINE SHAFTS WITH A POSSIBLE DEFECT DUE TO HYDROGEN OUTGASSING HEAT TREATMENT HAD BEEN OMITTED. 4 F E2GL 19980225000021998022500002NE 1998 2 25 AU980028 219980115G7321 CONNECTOR PWA PW120 PW123 NE NR 2 ENG EEC FAULTY W K NONE E VIBRATION/BUFFET CLCLIMB 1 AUS PCE123271 (AUS) NO2 ENGINE ELECTRONIC ENGINE CONTROL (EEC) CONNECTOR FAULTY. HIGH RESISTANCE BETWEEN PINS R AND Q ON P1. 4 T E20NE 19980225000061998022500006CE 1998 2 25 AU980054 119980114G6120 CONTROL CABLE BEECH 1900 1900D 1154162CE PWA PT6 PT6A67D NE HARTZLHCE4A HCE4A3A NE LT PROPELLER LOOSE W O OTHER E VIBRATION/BUFFET CLCLIMB 1 AUS (AUS) LT PROPELLER REVERSING LEVER CABLE LOOSE ON INNER WIRE AND BALL END. 2L72 4T4 TRTA24CE E26NE 5 CP10NE 19980226000231998022600023GL 1998 2 26 HEEA0012987 219980210G72306896888 SCROLL 23051643 ALLSN 250C 250C30S 03013GL ENG COMP MISALIGNED E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 CAC90484 CAE890180S COMPRESSOR REPAIR DUE TO LOW POWER ON TEST CELL. INSPECTION OF COMPRESSOR PARTS REVEALED: MISALIGNMENT OF SCROLL ASSEMBLY TURNING VANES. INSTALLED A PHI OVERHAULED SCROLL. 3 U E1GL 19980226000651998022600065NE 1998 2 26 SADF9801 219980121G7200 ENGINE BAC 146 AVRO146RJ1001500096EU LYC LF507 LF5071F NE NR 4 BIRD STRIKE A SADFEAF ENGINE SHUTDOWN UNSCHED LANDING ACTIVATE FIRE EXT. C F.O.D. CLCLIMB 1 SO23508MM6074 E3247 LF07361 FLT 166 AIR TURN TO BAQ - FOD (BIRD) DURING TAKEOFF ENGINE NR 4. ENGINE WAS SHUT DOWN ACCORDING TO CHECK LIST. EXTINGUISHER NR 1 WAS DISCHARGED DUE TO POSSIBLE STRUCTURAL DAMAGE. OVERWIEGHT LOG WAS PERFORMED AT 93,500 POUNDS. CHANGED ENGINE NR 4 IAW AMM 71-00-00. IT WAS PERFORMED OVERWEIGHT CONDITIONAL INSPECTION IAW AMM 05-50-11 AND WAS FOUND IN NORMAL CONDITION. 2H74 4F4 FRTA49EU E6NE 19980226000691998022600069SO 1998 2 26 98ZZZX802 219980209G7414 MAGNETO CESSNA414 414A 2075907CE CONT O520 TSIO520NB 17040SO RT MAGNETO MISTIMED B AFTKRK NONE W INADEQUATE Q C ININSP/MAINT 1 GL1994RW 414A0662 813534R UPON INSTALLATION OF 2 FACTORY REMANUFACTURED ENGINES, DIFFICULTY WAS EXPERIENCED IN GETTING MANIFOLD PRESSURE RPM TO CORROLATE BETWEEN ENGINES. INDIVIDUALLY, BOTH ENGINES MET POWER SPECIFICATIONS. OPERATION BETWEEN THE ENGINES AT LOWER POWER SETTINGS WAS DIFFICULT. AFTER CONSIDERABLE RIGGING CHANGES, THE RIGHT MAGNETO TO ENGINE TIMING WAS CHECKED. ENGINE WAS TIMED FROM THE FACTORY 10 DEGREES BTC, 10 DEGREES OFF. TIMING WAS RESET AND NO FURTHER DIFFICULTIES RESULTED. 1L72 3O3 O A7CE E8CE 19980226004521998022600452SO 1998 2 26 98ZZZX824 219980126G8530 CYLINDER ASSY CESSNA182 182Q 2072732CE CONT O470 O470U 17026SO INT VLV SEAT WORN D K NONE O OTHER ININSP/MAINT 1 EA0797523589 18267119 467992 DURING ANNUAL COMPRESSION CHECK, FOUND CYLINDERS COMP LOW. INSPECTED CYLINDERS, FOUND INTAKE VALVES SEAT EXCESSIVELY WORN. FURTHER INSPECTION FOUND ALL CERMACHROME ON CYLINDERS WORN AWAY. ALL CYLINDERS REPLACED WITH FACTORY NEW CYLINDERS. 1H71 3O3 ONT3A13 E273 19980226004571998022600457SO 1998 2 26 98ZZZX829 219980131G741410357174 BREAKER ASSY BENDIX S6LN25 CESSNA337 337 2075702CE CONT O360 IO360C 17025SO RT MAG POINTS FAILED DS K NONE O OTHER ININSP/MAINT 1 SW99337LA266 831392 3370134 12551335D THE FAILURE OF THE RT MAG ON THE REAR ENGINE WAS NOTICED DURING A PRE-TAKEOFF MAG CHECK. 1H72 3O3 O A6CE E1CE 19980226004581998022600458 1998 2 26 98ZZZX830 219980202G7322MA4SPA CARBURETOR AMTR LONGEZ LYC O320* ENGINE FLOODS D K NONE KR FLUID LOSS PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 EA0727PM 1309 ENGINE RAN ROUGH AND WANTED TO QUIT AT LOWER POWER SETTINGS. POST INCIDENT INSPECTION WITH THROTTLE OFF AND MIXTURE IDLE CUT-OFF, BOOST PUMP ON, FUEL POURED OUT OF CARBURETOR. CARBURETOR SENT BACK TO CONSOLIDATED. SUBMITTER SUSPECTED FLOAT PROBLEM. 0 19980226004651998022600465SO 1998 2 26 98ZZZX837 219980115G8550640766A4 SCAVENGE PUMP 642087A28 PIPER PA46 PA46310P 7104605SO CONT O520 TSIO520BE 17040SO TURBO OIL FAILED B FTKRK NONE K FLUID LOSS ININSP/MAINT 1 GL19357MM821 X89HEN 468508092 528514 ACFT UNDERWENT SCHEDULED 50-HR INSP. UPON POST-INSP AND RUN AND LEAK TEST, OIL NOTED COMING FROM TURBOCHARGER OUTLETS AND WASTEGATE SEAL DRAIN. FURTHER INVESTIGATION REVEALED SCAVENGE PUMP FAILURE. UPON DISASSY, END BEARING FOUND LOOSE CAUSING A BREAK IN SECTION AND SUBSEQUENT PUMP FAILURE. TURBOCHARGERS AND WASTGATE SENT FOR REPAIR. ENGINE REMOVED FOR STARTER ADAPTER REMOVAL. INSP REVEALED SCAVENGE PUMP'S RETAINING CLIP FOR END BEARING WAS NOT INSTALLED AND NO GROOVE IN SCAVENGE HOUSING FOR RETAINER CLIP. A SERVICEABLE HOUSING, NEW BEARING, AND GEARS INSTALLED. ACFT REASSEMBLED AND TESTED WITH NO FURTHER DEFECTS. 1-15-98 HOBBS: 1387.4 TSN: 821.2 HRS 1L71 3O3 O A25SO E8CE 19980226008661998022600866EA 1998 2 26 98ZZZX848 219980212G7314LW13909 PUMP PIPER PA46 PA46350P SO LYC O540 TIO540AE2A 41532EA ENGINE FUEL LEAKING B KRTRK NONE K FLUID LOSS ININSP/MAINT 1 SO09245S 106 D8739 4636104 L980961A FUEL PUMP GASKET BLOWN OUT AND PUMPS LEAK AT THE ADJUSTMENT VALVE PARTING SURFACE GASKET. SUBMITTER STATED THIS IS THE SECOND PUMP FAILURE ON THIS MODEL AIRPLANE, AND BOTH WERE NEW AIRCRAFT. 1L71 3O3 ORTA25SO E14EA 19980226008681998022600868NE 1998 2 26 SI3R98002 219980203G72107757571 BEARING HAMSTD 6044T35P10 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE GC 49 GEARBOX CRACKED BS SI3RK NONE O OTHER ININSP/MAINT 1 NE03 14350 9191 GEE785342 DURING DISASSEMBLY OF GEARBOX, THE FORWARD ROLLER BEARING INNER RACE WAS FOUND CRACKED, PN 775757-1, FIG 7, ITEM 60. (X) 2L72 4T4 TRTA52EU E8NE 19980226008691998022600869NE 1998 2 26 SI3R98003 219980213G72107757704 RETAIN NUT HAMSTD 5074T51G10 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE GC 49 GEARBOX LOOSE BS SI3RK NONE O OTHER ININSP/MAINT 1 NE03 8381 1H100188 GEE785506 DURING DISASSEMBLY OF GEARBOX, THE DRIVE GEAR RETENTION NUT WAS REMOVED WITH NO TORQUE REQUIRED. INSTALLATION TORQUE IS 1,550 - 1,600 FEET/POUNDS. NUT P/N 775770-4, FIG 7 ITEM 25. (X) 2L72 4T4 TRTA52EU E8NE 19980303000131998030300013GL 1998 3 3 98ZZZX819 219980115G72306896888 SCROLL BELL 206 206L4 1182110SW ALLSN 250C 250C30P 03013GL ENGINE COMP CRACKED D K NONE O OTHER ININSP/MAINT 1 NM01404W 1360 AP27963 52055 CAE895742 DURING SCHEDULED 100-HOUR INSPECTION, DISCOVERED COMPRESSOR SCROLL CRACKED IN ABOUT 2 O'CLOCK AREA OF RIGHT SHOULDER IN THE CURVATURE NEAR THE MATING SURFACE TO THE COMPRESSOR. THIS WAS A REPAIRED SCROLL THAT HAD BEEN INSTALLED DUE TO A PREVIOUSLY CRACKED SCROLL WHEN THE ENGINE ONLY HAD 712.3 HOURS TIME SINCE NEW. THE REPAIRED SCROLL ACCRUED 1,359.6 HOURS TIME SINCE REPAIR BEFORE IT FAILED IN THE SAME AREA AS THE PREVIOUS SCROLL THAT CRACKED. 1G71 3U3 UNCH2SW E1GL 19980305006241998030500624EA 1998 3 5 98ZZZX916 219980210G852077037 CRANKSHAFT PIPER PA28 PA28180 7102808SO LYC O360 O360A3A 41514EA NR 5 JOURNAL CRACKED G K NONE O OTHER ININSP/MAINT 1 NE0356WB 9 88894 284470 CRANKSHAFT WAS FOUND CRACKED AFTER PRECAUTIONARY REMOVAL FOLLOWING RECENT ENGINE OVERHAUL (8.8 HRS). CRANKSHAFT WAS PROCESSED BY REPAIR AGENCY PRIOR TO INSTALLATION. SUBMITTER SUGGGESTED PART MAY HAVE BEEN IMPROPERLY MACHINED. CRACK WAS AT NR 5 JOURNAL RADIUS APPROXIMATELY 2.50 INCHES IN LENGTH. 1L71 3O3 O 2A13 E286 19980305006291998030500629GL 1998 3 5 98ZZZX921 219980219G732123057344 FUEL CONTROL BENDIX HUGHES369 369E 4470707WP ALLSN 250C 250C20B 03013GL ENGINE MALFUNCTIONED D K NONE O OTHER ININSP/MAINT 1 WP23992SD1075 326671 510E HOT START ON FIRST START OF DAY ONLY. FOUND DURING A RECEIVED TEST. FIRST 2 TEST POINTS FOUND RICH CAUSED BY LEAKING START-DERICH BELLOWS. REPLACED BELLOWS AND RETESTED. 1G71 3U3 U H3WE E4CE 19980305006311998030500631EA 1998 3 5 98ZZZX923 219980210G8520LW17577 CRANKSHAFT PIPER PA34 PA34200 7103405SO LYC O360 LIO360C1E6 41515EA JOURNAL CRACKED G K NONE O OTHER ININSP/MAINT 1 NE0315008 220 1260K 347250346 PART REMOVED FOR MPI, AS A PRECAUTION. THIS CRANKSHAFT WAS RE-WORKED BY AIR AGENCY AND WAS FOUND TO HAVE CRACKS IN THE JOURNAL RADII. 1L72 3O3 O A7SO 1E10 19980305006321998030500632EA 1998 3 5 98ZZZX924 219980210G8520LW17031 CRANKSHAFT LYC O320 O320D2J 41508EA JOURNAL CRACKED G K NONE W INADEQUATE Q C ININSP/MAINT 1 NE03 U9077 PART REMOVED FROM INVENTORY AND PRECAUTIONARY MPI PERFORMED. CRACKS IN JOURNAL RADII WERE APPARENT. THIS UNIT WAS PREVIOUSLY GROUND AND POLISHED BY AIR AGENCY. PART IS SCRAP. 3 O E274 19980305006331998030500633EA 1998 3 5 98ZZZX925 219980210G8520 CRANKSHAFT LYC O235 O235L2C 41505EA JOURNAL CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 143715 PART REMOVED FROM STOCK FOR PRECAUTIONARY MPI. UNIT WAS GROUND AND POLISHED BY AIR AGENCY AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII. 3 O E223 19980305006351998030500635EA 1998 3 5 98ZZZX927 219980210G852075006 CRANKSHAFT LYC O320 O320* 41508EA JOURNAL CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 121682 PART WAS REMOVED FROM INVENTORY FOR MPI FOLLOWING ADVISORY THAT AIR AGENCY MAY HAVE IMPROPERLY MACHINED CRANKSHAFT. PART WAS FOUND TO HAVE CRACKS IN THE JOURNAL RADII. PART IS NOT SERVICEABLE. 3 O E274 19980305006361998030500636SO 1998 3 5 98ZZZX928 219980210G8520 CRANKSHAFT CONT C145 C145* 17012SO CTWT JOURNAL BROKE G A UNSCHED LANDING O OTHER CRCRUISE 1 NE03 11 424 CRANKSHAFT BROKE AT THE COUNTERWEIGHT JOURNAL AREA IN-FLIGHT. PART WAS SERVICED BY AIR AGENCY PRIOR TO INSTALLATION DURING OVERHAUL. PART WILL BE SENT TO CONTINENTAL FOR EVALUATION. 3 O E253 19980305006391998030500639EA 1998 3 5 98ZZZX931 219980210G8520 CRANKSHAFT LYC O235 O235L2C 41505EA JOURNAL CRACKED G K NONE W INADEQUATE Q C ININSP/MAINT 1 NE03 PART WAS REMOVED FROM INVENTORY FOLLOWING ADVISORY THAT CRANKSHAFTS PROCESSED BY AIR AGENCY MAY BE DEFECTIVE. CRANKSHAFT WAS MPI AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII. 3 O E223 19980312001001998031200100CE 1998 3 12 98ZZZX999 119980203G3240070009993 LINE CESSNA182 182R 2072731CE CONT O470 O470U 17026SO LT BRAKE FAILED D CD ABORTED TAKEOFF RETURN TO BLOCK OK OTHER FLUID LOSS TOTAKEOFF 1 SW012939E4082 18268222 470551 LEFT BRAKE FAILED ON TAKEOFF ROLL AND TAKEOFF ABORTED. FOUND SMALL HOLE WORN THROUGH ALUMINUM BRAKE LINE WHERE LINE CHAFED ON AFT SIDE OF ENTRY STEP CASTING. INSTALLED NEW 0700099-93 BRAKE LINE. SUGGEST REMOVING LANDING GEAR STRUT FAIRINGS FOR INSPECTION AT ANNUAL INSPECTION. 1L71 3O3 ONT3A13 E273 19980312001011998031200101NE 1998 3 12 98ZZZX1000 219980218G8530399359 CYLINDER AIRTRCAT300 AT301 0390103SW PWA R1340 R1340AN1 52016NE NR 2 CRACKED H K NONE O OTHER ININSP/MAINT 1 WP173656C559 49 3010304 419312 THE NR 2 CYLINDER WAS FOUND CRACKED FROM THE REAR SPARK PLUG PORT TO THE FRONT SPARK PLUG PORT ON THE UPPER INTAKE SIDE OF THE CYLINDER HEAD. 1L71 3R3 R A9SW 5E2 19980312007101998031200710EA 1998 3 12 98ZZZX1020 219980227G7414M3975 COIL SLICK M4381 CESSNA150 152 2071835CE LYC O235 O235N2C 41505EA ENGINE MAG FAILED D O OTHER R PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 SW0997428500 15285774 MAG COIL AT 500 HOURS BURNED THROUGH ON THE OPPOSITE SIDE OF HIGH TENSION LEAD. HAVE TO PULL COIL OUT TO SEE DAMAGED SPOT. ENGINE LOST POWER, TOOK MORE MANIFOLD PRESSURE TO MAINTAIN SAME RPM. 1H71 3O3 ONT3A19 E223 19980312007191998031200719GL 1998 3 12 98ZZZX1030 219980224G731347086 FILTER 6890917 AGUSTAA109 A109A 0260109EU ALLSN 250C 250C20B 03013GL FUEL NOZZLE COLLAPSED D K NONE O OTHER ININSP/MAINT 1 WP23 1284 CAE831751 FUEL NOZZLE FILTER IS PARTIALLY COLLAPSED DUE TO FOREIGN OBJECT INSERTED INTO INLET. 1G72 3U3 U H7EU E4CE 19980312007201998031200720NE 1998 3 12 98ZZZX1031 219980216G8530 CYLINDER BEECH 18 E18S 1151006CE PWA R985 R985AN14B 52008NE NR 4 SEPARATED D E ENGINE SHUTDOWN O OTHER NRNOT REPORTED 1 WP135611D 70 BA316 437424 THE CYLINDER HEAD SEPARATED FROM THE BARREL COMPLETELY THREE COOLING FINS DOWN FROM THE SPARK PLUG HOLE. THE CYLINDER REMAINS IN PLACE. DUE TO ENGINE ROUGHNESS, A PRECAUTIONARY SHUT DOWN WAS PERFORMED. AD 78-08-07 APPLIES TO THIS CONDITION. SUBMITTER RECOMMENDED INSPECTION FOR BLOW-BY BEFORE EACH FLIGHT INSTEAD OF THE 100-HOUR INTERVAL PER AD. 1L72 3R3 R A765 5E1 19980312007211998031200721EA 1998 3 12 98ZZZX1032 219980206G8550CH48103 FILTER CHAMPION PIPER PA44 PA44180 7104402SO LYC O360 O360E1A6 41514EA ENGINE OIL MALFUNCTIONED D K NONE O OTHER ININSP/MAINT 1 GL019VZ 50 F0214281 448195002 FILTER WAS REMOVED FOR A 100-HOUR INSPECTION. PRIOR TO CUTTING THE FILTER OPEN, A FOREIGN MATERIAL WAS VISIBLE ON THE OPENING OF THE FILTER. FURTHER INSPECTION REVEALED THE FOREIGN MATERIAL WAS A SEAL USED BETWEEN THE TOP OF THE FILTER CAN AND THE ELEMENT. AS A RESULT, UNFILTERED OIL COULD BE RETURNING TO THE ENGINE ALONG WITH THIS LOOSE MATERIAL. 1L72 3O3 O A19S0 E286 19980312007261998031200726GL 1998 3 12 98ZZZX1037 219980121G732050575 ADAPTER CESSNA525 525 2076601CE WILINTFJ44 FJ44 66000GL START NOZZLE WORN B CSLRK NONE O OTHER ININSP/MAINT 1 CE01195ME1408 5250110 1240 DURING ROUTINE INSPECTION CHECK 2, START NOZZLE ADAPTER WAS INSPECTED PER WILLIAMS ROLLS ROYCE FJ44-1A MM FOR DEFECTS. FRETTING WEAR OF .025 INCH WAS NOTED IN ZONE B(TIP) OF START NOZZLE, .020 INCH IS MAX SERVICE LIMIT FOR WEAR IN THIS AREA. INITIAL DISCOVERY OF WEAR WAS AT LAST ENGINE CHECK 1 INSPECTION. NO PREVIOUS WEAR NOTED PRIOR. CYCLES, 1,566. 1L72 4F4 FRTA1WI E3GL 19980312007271998031200727NE 1998 3 12 98ZZZX1038 219980217G731110718FAE FUEL HEATER PWA 118 PW118 NE FILTER BOWL STUDDEFECTIVE B VKURK NONE O OTHER ININSP/MAINT 1 CE07 11731 308 DURING INSPECTION AT OVERHAUL, THREE STUDS WERE FOUND LOOSE AROUND THE FILTER BOWL AREA (APPARENTLY 'WALLOWED OUT' DURING HOURS IN SERVICE). SITUATION COULD LEAD TO POSSIBLE FUEL LEAKAGE IF STUDS PULLED OUT. PART WAS INSPECTED IAW STEWART WARNER CMM 73-10-06. 4 T E20NE 19980312007281998031200728NE 1998 3 12 98ZZZX1039 219980226G731110718D FUEL HEATER STWARNER 1518 PWA 118 PW118 NE FILTER BOWL STUDDEFECTIVE B VKURK NONE O OTHER ININSP/MAINT 1 CE07 15220 DURING INSPECTION AT OVERHAUL ONE STUD WAS FOUND LOOSE AROUND THE FILTER BOWL AREA (APPARENTLY 'WALLOWED OUT' DURING HOURS IN SERVICE). SITUATION COULD LEAD TO POSSIBLE FUEL LEAKAGE IF STUD PULLED OUT. PART WAS INSPECTED IAW STEWART WARNER CMM 73-10-06 4 T E20NE 19980312007331998031200733NE 1998 3 12 98ZZZX1044 219980203G8530 CYLINDER DOUG DC3 DC3C 3021457WP PWA R1830 R183092 52020NE NR 5 FAILED G E ENGINE SHUTDOWN O OTHER CRCRUISE 1 SW115831B 5 42100882 350920 WHILE IN CRUISE FLIGHT, THE FLIGHT CREW NOTICED OIL COMING FROM THE ENGINE VENT. THE ENGINE WAS SECURED AND THE PROPELLER FEATHERED. AN UNEVENTFUL LANDING WAS MADE. INSPECTION FOUND CYLINDER NR 5 WITH NO COMPRESSION. CYLINDER TO BE REMOVED AND FURTHER TROUBLESHOOTING DONE IF THE CYLINDER IS NOT THE PROBLEM. 2L72 4R4 R A669 5E4 19980312007361998031200736NE 1998 3 12 98ZZZX1046 219980215G7230 BLADES BOEING747 747273C 1384896NM PWA JT9 JT9* 52054NE ENGINE N1 DAMAGED B GK4YK NONE C F.O.D. LDLANDING 1 WP03470EV 20653 ON ARRIVAL NADI, FOUND FOUR N1 BLADES ON NR 1 ENGINE SEVERELY DAMAGED. SUSPECT CAUSE: INGESTION OF FOREIGN OBJECTS ON RUNWAY 02 CAUSED BY GEMINI AIR CARGO DC10-30F BLOWN WHEELS THAT LANDED EARLIER. 2L74 4F4 F A20WE E20EA 19980312007381998031200738NE 1998 3 12 98ZZZX1048 219980209G7230 VANES BOEING757 757236 NM RROYCERB211 RB211535E4 54555NE RT ENG COMP DAMAGED B GJPYO OTHER J WARNING INDICATION APAPPROACH 1 WP33769BE189855223 24118 30669 FLT CZ23556 - DURING APPROACH SHENZHENG AT 600M, RT ENGINE MADE SLIGHT SURGING SOUND AND LATER, ELECTRICAL POWER TRANSFERRED. A LOT OF EICAS MESSAGES APPEARED. RT ENGINE UNCOMMANDED SHUT DOWN, ACFT SAFELY LANDED. CHECKED BVCU AND FOUND '04' CODE, TPU HAD '40' CODE. BORESCOPED ENGINE PER MM 72-00-00-601 AND FOUND 6 PIECES OF VANES IN THE THIRD STAGE OF THE HIGH PRESSURE COMPRESSOR DAMAGED, HOWEVER, DAMAGE WAS WITHIN LIMIT. GROUND RAN AND TESTED THE ANTI-SURGE SYSTEM, OK. PUSHED UP THROTTLE TO EPR 1.63, RT ENGINE SURGED. ON 2-8, REPLACED RIGHT ENGINE. 2L72 4F4 FRTA2NM E12EU 19980312007391998031200739NE 1998 3 12 SI3R98004 219980218G72107757602 IDLER BEARING HAMSTD 6044T35P10 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE GC 49 GEARBOX CRACKED BS SI3RK NONE O OTHER ININSP/MAINT 1 NE03 17027 7316 GEE785371 DURING DISASSSEMBLY OF GEARBOX, THE FORWARD IDLER GEAR BEARING INNER RACE WAS FOUND CRACKED. P/N 775760-2, FIG 8 ITEM 85. 2L72 4T4 TRTA52EU E8NE 19980319002641998031900264SO 1998 3 19 98ZZZX1060 219980205G8550 BREATHER PIPER PA34 PA34220T 7103420SO CONT O360 LTSIO360E 17025SO LT ENG OIL FROZEN B ARMMRA UNSCHED LANDING J WARNING INDICATION CLCLIMB 1 CE019284R232 3449005 PILOT REPORTED LOW OIL PRESSURE WARNING SOUNDED LEFT ENGINE, AND GAUGE INDICATED ZERO OIL PRESSURE AT APPROXIMATELY 'GEAR-UP' TIME OF TAKEOFF. LANDING WITHOUT INCIDENT. TROUBLESHOOTING DETERMINED TO BE FROZEN BREATHER. THIS SYSTEM HAS AIR/OIL SEPARATOR. PIPER IS IN PROCESS OF MODIFYING SYSTEM. ALL OPERATORS OF SENECA V AIRCRAFT SHOULD C/W THIS MODIFICATION WHEN AVAILABLE. ROUTING OF LT ENGINE BREATHER IS SLIGHTLY DIFFERENT THAN RT DUE TO AIR CONDITIONING COMPRESSOR BEING MOUNTED ON LT ENGINE. A LARGE PUDDLE OF OIL WAS FOUND AT LOCATION OF GROUND RUN. OIL WAS BLOWN THROUGH RETURN HOSE FROM SEPARATOR TO ENGINE. 1L72 3O3 O A7SO E9CE 19980319002691998031900269NE 1998 3 19 SI3R98006 219980224G72107757704 RETAIN NUT 7758001 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE GC49 GEARBOX LOOSE BS SI3RK NONE O OTHER ININSP/MAINT 1 NE03 UDAG0214 DURING DISASSEMBLY OF GEARBOX, THE DRIVE GEAR RETENTION NUT WAS REMOVED WITH NO TORQUE REQUIRED. INSTALLATION TORQUE IS 1550-1600 FEET/POUNDS. (NUT P/N 775770-4, FIG 7 ITEM 25). (X) 2L72 4T4 TRTA52EU E8NE 19980319002701998031900270NE 1998 3 19 SI3R98005 219980223G72107895781 TAB WASHER 5074T16G10 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE GC 49 GRBOX IDLRFAILED BS SI3RK NONE O OTHER ININSP/MAINT 1 NE03 11623 1H100033 GEE785623 DISASSEMBLY OF GEARCASE REVEALED THE MAIN PUMP SEIZED, THE TAB WASHER ON THE FORWARD RIGHT IDLER GEAR BROKEN. METAL CONTAMINATION THROUGHOUT THE CASE AND IN PUMP. THIS GEARCASE IS NOT REPAIRABLE AND IS CONSIDERED FOR SCRAP DISPOSITION. 2L72 4T4 TRTA52EU E8NE 19980319005881998031900588EA 1998 3 19 98ZZZX1079 219980305G8530 VALVE GUIDE PIPER PA24 PA24250 7102404SO LYC O540 O540A1A5 41532EA CYL 1-4 EXH DEFECTIVE D K NONE O OTHER ININSP/MAINT 1 SW996039P 241135 L102840 CHECKED VALVE GUIDE CLEARANCE IAW SB 388B AND FOUND EXHAUST VALVES GUIDES IN CYLINDERS 1 AND 4 TO BE OUT OF SPECIFICATIONS. THE INTAKE AND EXHAUST VALVES IN BOTH CYLINDERS ALSO WERE BELOW MANUFACTURER'S SPECIFICATIONS. 1L71 3O3 O 1A15 E295 19980319005891998031900589SO 1998 3 19 98ZZZX1080 119980305G5347 RAIL SUPPORT PIPER PA24 PA24250 7102404SO LYC O540 O540A1A5 41532EA PILOT SEAT CRACKED D A K NONE O OTHER ININSP/MAINT 1 SW996039P 241135 L102840 PILOT SEAT RAIL SUPPORT BRACKET CRACKED AT STA 77 AND STA 87. THE CRACKS WERE FOUND UNDER THE LEFT HAND SEAT RAIL IN THE FLANGE AREA AROUND THE NUT PLATES. 1L71 3O3 O 1A15 E295 19980319005901998031900590EA 1998 3 19 98ZZZX1081 219980201G7414M3333 IMPULSE COUPLINGSLICK 6351 PIPER PA32 PA32301 7103207SO LYC O540 IO540K1G5 41532EA ENGINE MAG FAILED D K NONE O OTHER ININSP/MAINT 1 AL058216T 95070029 328206037 L1795348A MAG IMPULSE COUPLING FAILED. REMOVED FROM ENGINE AT 469.8 HOURS SINCE NEW. 1L71 3O3 O A3SO 1E4 19980319005911998031900591SO 1998 3 19 98ZZZX1082 219980227G8500 ENGINE CESSNA150 150H 2071818CE CONT O200 O200A 17020SO POWER SECTION FAILED B LJQRK NONE O OTHER ININSP/MAINT 1 EA096948S2660 15067648 ENGINE ASSY PRODUCING EXCESSIVE AMOUNTS OF METAL - MAIN OIL SCREEN. METAL CONTENT EXCESSIVE STEEL-BRONZE AND ALUMINUM. ENGINE RE-CHECK AFTER TWO ADDITIONAL GROUND RUNS. EXCESSIVE METAL PRESENT AFTER EACH RUN. CONTINENTAL ENGINE 0200A, 2,660.0 HRS TT. 1H71 3O3 O 3A19 E252 19980319005981998031900598NE 1998 3 19 98ZZZX1089 219980305G8530116733CP CYLINDER DOUG DC3 DC3C 3021457WP PWA R1830 R183092 52020NE LT ENG NR 3 CYL CRACKED G A UNSCHED LANDING K FLUID LOSS CRCRUISE 1 SW115831B 42100882 350920 APPROXIMATELY 30 MINUTES AFTER DEPARATURE, FLIGHT CREW NOTICED OIL LEAK IN LEFT ENGINE. CREW DIVERTED BACK TO AWM. MAINTENANCE FOUND CYLINDER NR 13 HEAD SEPARATING FROM BARREL. 2L72 4R4 R A669 5E4 19980325000011998032500001GL 1998 3 25 98ZZZX1026 219980210G73232539034 FLYWEIGHT BUSH BENDIX 23057870 HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL N2 GOVERNOR WORN H JP0MO OTHER J WARNING INDICATION NRNOT REPORTED 1 SO0150AP 1052 24224 1090585D 832359 PILOT EXPERIENCED DROOP OF N2 RPM (ROTOR) TO 100 PERCENT. BEEFED UP TO 102 PERCENT, THEN N2 RPM WENT UP TO 104 PERCENT. ERRATIC OPERATION NOTICED. RETURNED GOVERNOR TO REPAIR STATION FOR REPAIR AND REINSTALLED. PROBLEM CORRECTED. 1G71 3U3 U H3WE E4CE 19980326002881998032600288EA 1998 3 26 98ZZZX1109 219980305G85205015 STUD PARTENP68 P68C 6780105EU LYC O360 IO360A1B6 41514EA NR 2 CYL BASE FAILED B Q2ARK NONE O OTHER ININSP/MAINT 1 SW1773N 230 L2345951A DURING 100-HOUR INSPECTION, NR 2 CYLINDER BASE STUD FOUND BROKEN. SUBMITTER SUGGESTED POSSIBLY CAUSED BY ENGINE TOTAL TIME. 1H72 3O3 O A31EU 1E10 19980326002971998032600297NE 1998 3 26 98ZZZX1117 219980201G72301B5130C BEARING PWA 2037 PW2037 NE ENG NR 1 MAIN FAILED B WA2DK NONE O OTHER ININSP/MAINT 1 NE03 5398 ENGINE REMOVED FOR METAL IN CHIP COLLECTORS, NRS 1, 2, AND 3. DISASSEMBLY INSPECTION REVEALED FAILED NR 2 MAIN BEARING. ONE BALL SPALLED AND BEARING CAGE MUSHROOMED ON OD, SILVER PLATE WORN OFF ONLY AT SPALLED BALL AREA. BEARING FORWARDED TO PRATT & WHITNEY EAST HARTFORD FOR INVESTIGATION. 4 F E17NE 19980326003041998032600304SO 1998 3 26 98ZZZX1125 219980201G73245200106101 LINE CESSNA402 402C 207590RCE CONT O520 TSIO520UB 17040SO FLOW DIVIDER FAILED G K NONE ERKVIBRATION/BUFFET PARTIAL RPM/PWR LOSS FLUID LOSS NRNOT REPORTED 1 GL273246M 402C0294 FUEL REF LINE FROM FLOW DIVIDER TO BAFFLE BROKE CAUSING A ROUGH RUNNING ENGINE. AIRCRAFT LANDED WITHOUT INCIDENT. 1L72 3O3 O A7CE E8CE 19980326003211998032600321EA 1998 3 26 98ZZZX1142 219980212G8550MILH6000 LINE GULSTMAA1 AA1C 0631214SO LYC O235 O235L2C 41505EA OIL BREATHER BLOCKED H K NONE K FLUID LOSS ININSP/MAINT 1 SW9939058 AA1C0206 ENGINE BEGAN LEAKING OIL AT CYLINDER THRU STUD LOCATIONS. AT SAME TIME, FUEL PRESSURE ROSE APPROX 2 POUNDS. FOUND BREATHER LINE MIL-H-6000, .75 INCH TUBE, BLOCKED APPROX 95 PERCENT. BLOCKAGE APPEARS TO BE DETERIORATED INNER HOSE MATERIAL. HOSE MFG'D IN 1973. ACFT MFG'D IN 1978. HOSE WAS OLD AT TIME OF INSTALLATION. SUBMITTER RECOMMENDED CHANGING ALL RUBBER HOSES EVERY 5 YEARS AND INSPECTING ID OF BREATHER HOSE AT ANNUAL. PRESS BUILD-UP IN THE CRANKCASE CAN CAUSE LOSS OF ENGINE PROPELLLER NOSE SEAL AND SUBSEQUENT LOSS OF ALL ENGINE OIL. HIGHER THAN NORMAL FUEL PRESSURE CAN CAUSE FLOODING OF CARBURATED ENGINE. POOR CRANKCASE BREATHING CAN ALSO CONTRIBUTE TO ACCELERATED CORROSION. 1L71 3O3 O A11EA E223 19980326003271998032600327GL 1998 3 26 98ZZZX1147 219980223G7322252464429 FUEL CONTROL BENDIX 23057344 HUGHES369 369E 4470707WP ALLSN 250C 250C20B 03013GL ENGINE MALFUNCTIONED DL K NONE X ENGINE FLAMEOUT ININSP/MAINT 1 WP23550JM 310785 0013E CAE834981 ENGINE STILL HAVING DELAYED STARTS. ENGINE FLAMED OUT AT IDLE. RESTARTED WITH THE START PUMP ON, AND FLAMED OUT DURING THE START SEQUENCE. RESTARTED AGAIN, MADE IT TO IDLE, BUT FLAMED OUT AGAIN. REMOVED THE FUEL CONTROL AND INSTALLED A DASH 28 UNIT. NO FURTHER PROBLEMS. TIME ON FUEL CONTROL SN 310785 WAS 1237.5 HOURS TSO, AND 31.6 HOURS SINCE REPAIR. 1G71 3U3 U H3WE E4CE 19980326006061998032600606NE 1998 3 26 98ZZZX1165 219980307G7200 ENGINE LEAR 25 25D 5170514CE GE CJ610 CJ6106 30006NE RT ENGINE FAILED E O OTHER X ENGINE FLAMEOUT NRNOT REPORTED 1 GL2395CK 104906684 248 211032A RIGHT ENGINE FLAMED OUT. ADJUSTED FUEL DENSITY. GROUND RUN SATISFACTORY. PERFORMED ALTITUDE ACCELERATION CHECK, ENGINE DID NOT PASS. REPLACED ENGINE WITH SERVICEABLE UNIT. 2L72 4J4 J A10CE 1E16 19980326006181998032600618SO 1998 3 26 98ZZZX1176 219980301G73146467592 FUEL PUMP CESSNA172 R172K 2072431CE CONT O360 IO360K 17025SO STOP PIN DEFECTIVE D K NONE O OTHER ININSP/MAINT 1 WP23736XB2000 R1722860 355353 IN-FLIGHT MIXTURE CONTROL WOULD STICK AND WOULD NOT GO BACK TO FULL RICH MIXTURE. PREVIOUSLY, MOISTURE STIFF BUT WOULD MOVE, AND INSPECTION FOUND NO PROBLEMS. AFTER LAST 'STICK', INSPECTION FOUND THAT IDLE CUT-OFF STOP PIN WAS LOOSE IN ITS HOLE AND FREE TO MOVE IN AND OUT OF ITS HOLE FAR ENOUGH TO BLOCK MIXTURE LEVER. REPLACED PUMP WITH NEW PART. 1H71 3O3 O 3A17 E1CE 19980326006821998032600682CE 1998 3 26 AU980061 119980119G573058530158 COVER BEECH 585301565 BEECH 58 58 1152740CE CONT O520 IO520C 17032SO MCAULY3AF34C3AF34C502 GL WING SPAR SEPARATED W K NONE OE OTHER VIBRATION/BUFFET TOTAKEOFF 1 AUS (AUS) LH SPAR COVER SEPARATED AND JAMMED BETWEEN LANDING GEAR MICROSWITCHES. 1L72 3O3 O 3A16 E5CE 5 CP22EA 19980326006841998032600684NM 1998 3 26 AU980063 119980112G5330 SKIN BOEING767 767204 NM GE CF6 CF680A 30025NE BS 485 DAMAGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) FUSELAGE SKIN AND STRINGER 31R LOCATED AT STN 485 DAMAGED BY FORK LIFT DURING LOADING OF FORWARD CARGO HOLD. 2L72 4F4 FRTA1NM E13NE 19980326006851998032600685 1998 3 26 AU980064 419980122G2562 BATTERY E01 BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA HARTZLHCB3T HCB3TN3 GL EMERGENCY LOCATOLEAKING W K NONE O OTHER ININSP/MAINT 1 AUS 100124 (AUS) ELT BATTERIES LEAKING. FOUND DURING BATTERY CHANGE. 1L72 4T4 T A24CE E4EA 6 CP15EA 19980326006891998032600689CE 1998 3 26 AU980069 119980122G2910AE1003757G0310 HOSE CESSNA402 402C 207590RCE CONT O520 TSIO520VB 17040SO MCAULY3AF32C3AF32C505 GL HYDRAULIC MAIN DETERIORATED W K NONE OK OTHER FLUID LOSS LDLANDING 1 AUS (AUS) HYDRAULIC PRESSURE HOSE LOCATED BETWEEN RH HYDRAULIC PUMP AND FIREWALL DAMAGED AND LEAKING. LANDING GEAR WOULD NOT EXTEND AND AIRCRAFT LANDED WITH GEAR UP. INVESTIGATION FOUND THAT THE HOSE FAILED DUE TO EXPOSURE TO HEAT WITH THE FIRE SLEEVING AND THE OUTER HOSE CASE BURNED THROUGH DUE TO POSITIONING ON THE RH ENGINE EXHAUST PIPE STAINLESS STEEL SHROUD WHICH WAS TOUCHING THE EXHAUST PIPE. 1L72 3O3 O A7CE E8CE 5 CP22EA 19980326006911998032600691EU 1998 3 26 AU980071 119980128G5711 WEB BNORM BN2 BN2A26 1520226EU LYC O540 O540E4C5 41532EA HARTZLHCC2Y HCC2YK2 GL LT WING SPAR CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LH WING SPAR WEB CRACKED BEYOND LIMITS. 1H72 3O3 O A17EU E295 5 CP920 19980326006921998032600692EU 1998 3 26 AU980072 119980129G5711 WEB BNORM BN2 BN2A26 1520226EU LYC O540 O540E4C5 41532EA HARTZLHCC2Y HCC2YK2 GL RT WING SPAR CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LH AND RH SPAR WEBS CRACKED BEYOND LIMITS. 1H72 3O3 O A17EU E295 5 CP920 19980326006971998032600697EA 1998 3 26 AU980077 219980122G7532310334701 DIAPHRAGM PWA BLEEDVALVE PWA PT6 PT6A27 52043EA HARTZLHCB3T HCB3TN3 GL COMPRESSOR BLEEDFAILED W CD ABORTED TAKEOFF RETURN TO BLOCK ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS TOTAKEOFF 1 AUS 295 4P791 PCE41727 (AUS) ENGINE WOULD ONLY PRODUCE 40PSI TORQUE DURING TAKEOFF. GROUND INVESTIGATION FOUND THAT THE COMPRESSOR BLEED VALVE DIAPHRAGM WAS HOLED. 4 T E4EA 6 CP15EA 19980326006981998032600698SO 1998 3 26 AU980078 119980120G27523203001007 ACTUATOR EMB 120 EMB120RT SO PWA 118 PW118A NE TE FLAP ACTUATORFAILED W K NONE F FLT CONT AFFECTED CLCLIMB 1 AUS 0046 (AUS) RH OUTBOARD FLAP ACTUATOR FAULTY. INVESTIGATION FOUND THAT THE ACTUATOR WAS NOT KEEPING THE FLAP WITHIN THE TOLERANCE OF DISAGREEMENT WITH THE OTHER FLAPS. 2L72 4T4 TRTA31SO E20NE 19980326006991998032600699EU 1998 3 26 AU980079 119980103G2421728471B IDG BAC 146 146200A 1500266EU LYC ALF502ALF502R5 41580NE AC GENERATOR-ALTLEAKING W K NONE K FLUID LOSS ININSP/MAINT 1 AUS 0594 LFO5961 (AUS) NO1 ENGINE INTEGRATED DRIVE GENERATOR (IDG) LEAKING OIL FROM SIGHT GLASS. 2H74 4F4 F A49EU E6NE 19980326007001998032600700NM 1998 3 26 AU980080 119980131G3150 WARNING LIGHT DHAV DHC8 DHC8102 2809003NM PWA 120 PW120A NE CENTRAL WARNING FAULTY W K NONE N FALSE WARNING TOTAKEOFF 1 AUS (AUS) MASTER CAUTION LIGHT ILLUMINATED DURING TAKEOFF. INDIVIDUAL CAUTION LIGHT COULD NOT BE IDENTIFIED AND ALL SYSTEMS CHECKED OUT SERVICEABLE. 2H72 4T4 TRTA13NM E20NE 19980326007011998032600701SW 1998 3 26 AU980081 119980103G5711 STRAP GULSTM500 500B 0141106SW LYC O540 IO540E1B5 41532EA HARTZLHCA3V HCA3VK4 GL WING SPAR STRUCTCRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LH WING UPPER SPAR STRAP CRACKED. RH WING LOWER SPAR STRAP ALSO CRACKED. FOUND DURING INSPECTION IAW SB 223. 1H72 3O3 O 6A1 1E4 5 CP6EA 19980326007021998032600702SO 1998 3 26 AU980082 119980115G28424064802030405 TRANSMITTER PIPER PA31 PA31 7103102SO LYC O540 TIO540A2B 41532EA HARTZLHCE3Y HCE3YR2 GL FUEL QUANTITY DEFECTIVE W K NONE O OTHER CLCLIMB 1 AUS (AUS) FIVE OUT OF EIGHT FUEL QUANTITY TRANSMITTERS WERE FAULTY WITH RESISTANCE VALUES OUT OF LIMITS. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980326007061998032600706EU 1998 3 26 AU980086 119980124G324650092371 WHEEL SAAB SF340 SF340A 7850100EU GE CT7TP CT75A2 30030NE ROTOL R320 R3204123F1 NE BEARING HOUSING FAILED W K NONE O OTHER ININSP/MAINT 1 AUS 1285 941820 (AUS) WHEEL INBOARD BEARING HOUSING BROKEN UP. SECONDARY DAMAGE TO THE BRAKE UNIT. WHEEL HAD BEEN REPAIRED 2586 LANDINGS PREVIOUSLY BY THE INSTALLATION OF A BUSHING BETWEEN THE WHEEL BEARING OUTER CUP AND THE BEARING HOUSING (REPAIR SCHEME R2 CMM32-41-16). 2L72 4T4 TRTA52EU E8NE6 6 CP5NE 19980326007091998032600709SO 1998 3 26 AU980089 119980123G3260MS272402 SWITCH EMB 110 EMB110P1 3260122SO PWA PT6 PT6A34 52043EA HARTZLHCB3T HCB3TN3 GL LANDING GEAR POSFAILED W K NONE ON OTHER FALSE WARNING LDLANDING 1 AUS (AUS) LH MAIN LANDING GEAR DOWN MICROSWITCH FAULTY. 1L72 4T4 T A21SO E4EA 6 CP15EA 19980326007101998032600710EU 1998 3 26 AU980090 119980104G61234049AA PUMP JETAIRJETSTMJETSTM4101 1500501EU GARRTTTPE331TPE33114GR 01514NE MCAULY5JFR B5JFR36C1101GL PROP FEATHER FAILED W K NONE O OTHER NRNOT REPORTED 1 AUS 64708 (AUS) PROPELLER UNFEATHERING PUMP FAILED. 2L72 4T4 TRTA41NM E18NE 5 CP15WE 19980326007121998032600712EU 1998 3 26 AU980092 119980125G2750A2753301620000 LINK AIRBUS300 A300B4203 3930306EU GE CF6 CF650C2 30018NE TE FLAP CONTROL BROKEN W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) RH INBOARD FLAP BEVEL GEARBOX TO ATTACHMENT BRACKET LINK BROKEN AT ATTACHMENT HOLE. CAUSED BY EXFOLIATION CORROSION. 2L72 4F4 F A35EU E23EA 19980326007171998032600717WP 1998 3 26 AU980097 119980117G6220369D2100411 FAIRING HUGHES369 369E 4470707WP ALLSN 250C 250C20B 03013GL MAIN ROTOR HEAD SEPARATED W K NONE FD FLT CONT AFFECTED INFLIGHT SEPARATION CRCRUISE 1 AUS (AUS) MAIN ROTOR HEAD FAIRING (CHINAMANS HAT) SEPARATED FROM AIRCRAFT.SUSPECT FAIRING DEVELOPED A CRACK ALLOWING THE FAIRING TO FLEX AND LOOSEN THE ATTACHMENT SCREWS. 1G71 3U3 U H3WE E4CE 19980326007181998032600718GL 1998 3 26 AU980098 119980120G3210 LANDING GEAR AMTR MAXAIRXP503 9570746GL AMTR 582 582 GL MAIN LANDING GEADAMAGED W K NONE O OTHER LDLANDING 1 AUS (AUS) AIRCRAFT HIT FENCE WHEN CONTROL LOST DURING LANDING. DAMAGE CAUSED TO LANDING GEAR, NOSE POD AND LOWER FUEL TANK. THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLY. 1H71 3I3 INTEXPA1H71EXP31 19980402000141998040200014WP 1998 4 2 98ZZZX1246 219980310G72408939735 COMBUSTION CASE BEECH 100 B100 1152919CE GARRTTTPE331TPE3316252B 01514WP LT ENG PLENUM FAILED B AYRRDAE UNSCHED LANDING ENGINE SHUTDOWN MO OVER TEMP OTHER TOTAKEOFF 1 SW0566804 BE82 P27165 DURING T/O, PILOT HEARD A 'POOF' SOUND. NOTICED THE COWLING PAINT DISCOLORED AND THE OIL FILLER DOOR OPEN. TAKEOFF ABORTED, AND ENG EMERG SHUTDOWN. INVEST DETERMINED THE LT ENG COMBUSTION CASE (PLENUM) HAD FAILED. ENG REMOVED FOR REPAIR, ENG COMPARTMENT DAMAGE REPAIRED. ENG DISASSEMBLED FOR INSPECT AND IT APPEARED THE PLENUM HAD FAILED AT/AROUND THE P-3 FITTING BOSS. ENG MFG CONTACTED TO ESTABLISH IF THE PLENUM WAS AN ORIGINAL COMPONENT FOR THE ENG. MFG REPLIED PLENUM P/N AND S/N WERE NOT IN THE FACILITIES DATA BASE, AND A NON-MFG REPAIR CODE WAS EVIDENT. SUBMITTER RECOMMENDED TO PREVENT RECURRENCE, INSPECT P-3 FITTING BOSS/CUSTOMER AIR PAD AREA OF THE COMBUSTION CASE (PLENUM) CLOSELY AT INSPECTIONS. 1L72 4T4 T A14CE E2WE 19980402000151998040200015EA 1998 4 2 CA960223013 219980312G855076354 OIL PUMP CESSNA172 172L 2072432CE LYC O320 O320E2D 41508EA ENG OIL CRACKED W A UNSCHED LANDING J WARNING INDICATION TXTAXI/GRND HDL 1 CA 3192 652 L4004427A (CAN) AFTER 2.5 HOUR FLIGHT, PILOT REPORTED OIL PRESSURE CREEPING DOWN DURING DESCENT. GROUND RUN CARRIED OUT AND PRESSURE MAINTAINED AT 70 TO 75 PSI. WHILE COMPASS SWING CARRIED OUT, PRESSURE DROPPED OFF AGAIN. ENGINE REMOVED FOR OVERHAUL. REPORT FROM O/H SHOP STATED THAT OIL PUMP WAS CRACKED INTERNALLY. 1H71 3O3 ONT3A12 E274 19980402000991998040200099CE 1998 4 2 CA970807045 119980312G243651530007B REGULATOR 51530007B BEECH 90 F90 1152909CE PWA PT6 PT6A135 52043NE HARTZLHCB4T HCB4TN3 GL DC SYSTEM MALFUNCTIONED W A UNSCHED LANDING J WARNING INDICATION CRCRUISE 1 CA 3414 PCE92260 EA621 (CAN) CREW REPORTED ELECTRICAL BUS SEPARATION FOLLOWED BY AVIONICS CIRCUIT BREAKERS TRIPPING. LEFT GENERATOR DEEMED TO BE THE CAUSE AND WAS ISOLATED. MAINTENANCE FOUND THAT THE LEFT HAND GENERATOR CONTROL UNIT FAILED. 1L72 4T4 T A31CE E4EA 6 CP40EA 19980402003581998040200358GL 1998 4 2 HEEA0013455 219980319G7323252469211 GOVERNOR ALLSN 250C 250C30 03013GL ENGINE MIS REPAIRED E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 RECEIVED FROM STOCK. WHEN WOOD BLOCK REMOVED FOUND CIRCLIP LAGGING IN BLOCK. NEVER INSTALLED ON AIRCRAFT. INSPECTED GOVERNOR WHEN RECEIVED IN SHOP. FOUND DRIVE COUPLING ON DRIVE SHAFT TO STILL HAVE 934 BONDING AND IN GOOD SHAPE. INSPECTED SUSPECTED CLIP RECEIVED WITH GOVERNOR AND CLIP DOES NOT BELONG ON GOVERNOR (CANNOT IDENTIFY CLIP) 3 U E1GL 19980402004271998040200427NE 1998 4 2 98ZZZX1261 219980128G7200 ENGINE BELL 412 412 1182202SW PWA PT6T PT6T3B 52045NE NR 1 FAILED B VE3RK NONE O OTHER APAPPROACH 1 WP2318LA 2220 36043 63393 ON FINAL APPROACH TO HOSPITAL ROOF TOP HELIPORT, RPM WARNING HORN ACTIVATED FOLLOWED BY 15 TO 20 SECONDS OF POPPING AND GRINDING NOISES FROM NR 1 ENGINE. AFTER GAINING AIRSPEED, ENGINE WAS SECURED AND AN OEI LANDING WAS MADE AT BURBANK AIRPORT. SUBSTANTIAL DAMAGE TO NR 1 ENGINE INTERIOR WAS FOUND, CAUSE UNKNOWN AT THIS TIME. COMPLETE TWIN-PAC BEING SENT TO PRATT & WHITNEY FOR EVALUATION. 1G72 4U4 U H4SW E22EA 19980402004401998040200440GL 1998 4 2 98ZZZX1273 219980309G72306876655 WHEEL BLADE BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL COMPRESSOR NR 5 MISSING B CK2RK NONE O OTHER ININSP/MAINT 1 SW03105HH 1722 S339 CAE830493 UPON COMPRESSOR DISASSEMBLY FOR OVERHAUL, FOUND ONE BLADE MISSING FROM 5TH STAGE COMPRESSOR WHEEL. BLADE APPEARS TO HAVE EXITED THROUGH BLEED VALVE AS NO DOWNSTREAM DAMAGE OCCURRED. NO IN-SERVICE DIFFICULTY WAS REPORTED. THE COMPRESSOR WHEEL EXHIBITS EVIDENCE OF A CORROSION PIT HALF WAY THROUGH CHORD OF BLADE AT BREAK POINT. 1G72 3U3 U H3EU E4CE 19980402005751998040200575SO 1998 4 2 AU980113 119980205G716078164 CLIP PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL ENGINE AIR INTAKSEPARATED W K NONE O OTHER ININSP/MAINT 1 AUS L720561A (AUS) TURBOCHARGER BYPASS DOOR MAGNETIC CATCH SEPARATED FROM MOUNTING RUBBER. THE CATCH WAS REATTACHED USING `SILASTIC'. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005771998040200577EA 1998 4 2 AU980115 219980205G7314LW13918 PUMP PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL ENGINE FUEL MALFUNCTION W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) RH ENGINE DRIVEN FUEL PUMP LOW PRESSURE OUTPUT. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005781998040200578EA 1998 4 2 AU980116 219980205G8530LW13918 CYLINDER PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL LT ENG NR 2-3 DEFECTIVE W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) LH ENGINE NO2 AND NO3 CYLINDER HAD LOW COMPRESSION. NO2 CYLINDER PISTON DAMAGED. AFT THROUGH BOLTS EXCESSIVELY LOOSE. ENGINE HAD COMPLETED 14 HOURS OPERATION SINCE A BULK STRIP. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005791998040200579SO 1998 4 2 AU980117 119980205G71605491602 DOOR PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL ENG AIR INTAKE BROKEN W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) ENGINE AIR INTAKE ALTERNATE AIR DOOR RETURN SPRING BROKEN. DOOR HINGE SHAFT AND BUSHES EXCESSIVELY WORN. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005801998040200580SO 1998 4 2 AU980118 119980205G71204000707 MOUNT PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL ENGINE CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) RH ENGINE MOUNTS BADLY CORRODED. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005831998040200583SO 1998 4 2 AU980121 119980205G71605491602 DUCT PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL ENG AIR INTAKE BROKEN W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) RH ENGINE ALTERNATE AIR DOOR RETURN SPRING BROKEN. DOOR AXLESHAFT AND BUSHINGS BADLY WORN. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005851998040200585EA 1998 4 2 AU980123 219980205G8500 ENGINE PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA HARTZLHCE3Y HCE3YR2 GL LT ENG DETERIORATED W K NONE O OTHER ININSP/MAINT 1 AUS L160568A (AUS) LH ENGINE CONDITION POOR. ALL ELECTRICAL WIRES, IGNITIONHARNESSES, HYDRAULIC AND OIL HOSES NOT SECURED. NO GROMMETS FOR PROTECTION OF WIRES AND HOSES WHERE THEY PASS THROUGH BAFFLES.DRAIN LINES FOR FUEL PUMP, HYDRAULIC PUMP AND WASTE GATE MISSING. CHT PROBE FITTED TO THE INCORRECT CYLINDER. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402005991998040200599SO 1998 4 2 AU980138 219980131G7322194593 PLUNGER FACET CARBURETTOR CESSNA150 150M 2071830CE CONT O200 O200A 17020SO MCAULY1A102 1A102OCM GL CARB ACCEL PUMP DAMAGED W K NONE OR OTHER PARTIAL RPM/PWR LOSS TOTAKEOFF 1 AUS B52420067 253110 (AUS) CARBURETTOR ACCELERATOR PUMP PLUNGER LEATHER CAP TORN IN TWO PLACES. 1H71 3O3 O 3A19 E252 5 NP918 19980402006021998040200602CE 1998 4 2 AU980141 119980130G551018256315 STABILIZER CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL HORIZONTAL STABICORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) HORIZONTAL STABILISER SEVERELY CORRODED. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006031998040200603CE 1998 4 2 AU980142 119980130G553118256315 STABILIZER CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL VERT STAB SPAR CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) VERTICAL STABILIZER SEVERELY CORRODED. FORWARD SPAR CORRODEDTHROUGH. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006041998040200604CE 1998 4 2 AU980143 119980130G552018256315 RIVET CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL ELEVATOR STRUCTULOOSE W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) ELEVATOR BALANCE TAB RIVETS LOOSE. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006051998040200605CE 1998 4 2 AU980144 119980130G552118256315 SPAR CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL ELEVATOR CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) ELEVATOR SPAR AND RIB CRACKED. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006061998040200606CE 1998 4 2 AU980145 119980130G273018256315 RIVET CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL ELEV TORQ TUBE LOOSE W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) ELEVATOR TORQUE TUBE RIVETS LOOSE AND WORKING. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006071998040200607CE 1998 4 2 AU980146 119980130G534218256315 FITTING CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL STAB ATTACH CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) STABILISER ATTACHMENT FITTING LOCATED IN REAR FUSELAGE CORRODED AND RIVETS MISSING. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006091998040200609CE 1998 4 2 AU980148 119980130G573018256315 DOUBLER CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL WING FLAP BAYS CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) INSPECTION PANEL DOUBLERS LOCATED IN FLAP BAYS CORRODED. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006111998040200611CE 1998 4 2 AU980150 119980130G281018256315 FUEL CELL CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL LT FUEL CRACKED W K NONE OK OTHER FLUID LOSS ININSP/MAINT 1 AUS 18256315 (AUS) LH FUEL TANK BLADDER CRACKED AND LEAKING. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006121998040200612CE 1998 4 2 AU980151 119980130G532018256315 ANGLE CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL FUSELAGE CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) FUSELAGE ANGLE BADLY CORRODED IN AREA OF WING STRUT ATTACHMENT. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006131998040200613CE 1998 4 2 AU980152 119980130G561018256315 WINDSHIELD CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL COCKPIT DETERIORATED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) WINDSCREEN BADLY CRAZED AND OPAQUE. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006141998040200614CE 1998 4 2 AU980153 119980130G273018256315 CONTROL CABLE CESSNA 182H CESSNA182 182H 2072718CE CONT O470 O470R 17026SO MCAULY2A34C 2A34C66 GL ELEVATOR CONTROLMISROUTED W K NONE O OTHER ININSP/MAINT 1 AUS 18256315 (AUS) ELEVATOR CONTROL CABLE INCORRECTLY ROUTED. 1H71 3O3 ONT3A13 E273 5 CP3EA 19980402006151998040200615EA 1998 4 2 AU980154 219980201G74148442094 MAGNETO BENDIX D6RN3200 PIPER PA31 PA31350 7103110SO LYC O540 LTIO540J2BD 41533EA HARTZLHCE3Y HCE3YR2 GL RT ENG LT MAG SHORTED W K NONE EY VIBRATION/BUFFET ENGINE STOPPAGE TOTAKEOFF 1 AUS 8442094 RL238068A (AUS) RH ENGINE LH MAGNETO PRIMARY LEAD SHORT CIRCUITED TO MAGNETO CASE. 1L72 3O3 O A20SO E14EA 5 CP33EA 19980402006191998040200619SO 1998 4 2 AU980158 219980216G8530G46754 VALVE CONT O470K BEECH 33 35C33 1151408CE CONT O470 IO470K 17026SO MCAULY2A36C 2A36C23 GL NR 3 CYL EXH LEAKING W K NONE O OTHER ININSP/MAINT 1 AUS MA 86756K (AUS) NO1 CYLINDER EXHAUST VALVE LEAKING AND VALVE GUIDE WORN (STILLWITHIN LIMITS). NO3 CYLINDER INLET VALVE LEAKING. 1L71 3O3 O 3A15 3E1 5 CP880 19980402006201998040200620CE 1998 4 2 AU980159 119980213G282474D81 VALVE CESSNA421 421C 2076016CE CONT O520 GTSIO520N 17032SO MCAULY3FF32 3FF32C501 GL FUEL XSFER VALVEWORN W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) INLET FUEL VALVE ASSEMBLY WORN. VALVE FAILED TEST IAW AD/CESSNA400/100A4 DUE TO WORN VALVE STEM. 1L72 3O3 O A7CE E7CE 5 CP45GL 19980402006231998040200623 1998 4 2 AU980162 119980210G7712310823801 SENSOR PWA PWA120PW125B NE LT ENGINE TORQ FAULTY W K NONE N FALSE WARNING CRCRUISE 1 AUS 124031 (AUS) LH ENGINE TORQUE SENSOR INTERNAL FAULT. 4 T E20NE 19980402006291998040200629 1998 4 2 AU980168 419980118G3416AK350 ENCODER BEECH 95 95B55 1152729CE CONT O470 IO470L 17026SO MCAULY2AF34C2AF34C55 GL ALTIMETER FAILED W O OTHER W INADEQUATE Q C CRCRUISE 1 AUS 3521189 (AUS) ALTITUDE ENCODER FAULTY. PERSONNEL/MAINTENANCE ERROR. 1L72 3O3 ORT3A16 3E1 5 CP5EA 19980402006301998040200630CE 1998 4 2 AU980169 119980218G3230 TUBE BEECH 58 58 1152740CE CONT O520 IO520C 17032SO LT LANDING GEAR DAMAGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LH LANDING GEAR DRIVE TUBE CREASED AT INBOARD FITTING. 1L72 3O3 O 3A16 E5CE 19980402006351998040200635CE 1998 4 2 AU980174 119980218G2710 AILERON BEECH 58 58 1152740CE CONT O520 IO520C 17032SO AILERON CONTROL MISRIGGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) AILERON CONTROL SYSTEM INCORRECTLY RIGGED. 1L72 3O3 O 3A16 E5CE 19980402006371998040200637CE 1998 4 2 AU980176 119980218G7920 HOSE BEECH 58 58 1152740CE CONT O520 IO520C 17032SO ENGINE OIL SYS DETERIORATED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ALL ENGINE HOSES TIME EXPIRED. HOSES WERE NOT CHANGED DURING RECENT ENGINE CHANGE. 1L72 3O3 O 3A16 E5CE 19980402006411998040200641EA 1998 4 2 AU980182 219980212G7314LW15473 PUMP PARTENP68 P68B EU LYC O360 IO360A1B6 41514EA HARTZLHCC2Y HCC2YK2 GL ENGINE FUEL FAILED W K NONE O OTHER ININSP/MAINT 1 AUS L1164451A (AUS) ENGINE FUEL PUMP DRIVE LEVER FAILED ACROSS PIVOT PIN HOLES. LEVER SECTION WITHIN THE PUMP HAS SECONDARY CRACKING AND IS SLIGHTLY BOWED OUTWARDS. BROKEN PORTION OF LEVER FOUND IN THE ENGINE SUMP. 1H72 3O3 O A31EU 1E10 5 CP920 19980402006461998040200646CE 1998 4 2 AU980187 119980206G2750511523716 GEARBOX CESSNA 402C CESSNA402 402C 207590RCE CONT O520 TSIO520VB 17040SO MCAULY3AF32C3AF32C505 GL TE FLAP CONTROL FAILED W K NONE OF OTHER FLT CONT AFFECTED DEDESCENT 1 AUS 12546 NSN (AUS) FLAP GEARBOX IDLER GEAR TEETH SHEARED OFF. 1L72 3O3 O A7CE E8CE 5 CP22EA 19980402006471998040200647EA 1998 4 2 AU980188 219980220G8530SL75089STD PISTON BEECH 76 76 1153005CE LYC O360 LO360A1G6 41514EA RECIP ENG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS L24571A (AUS) PISTON CRACKED. 1L72 3O3 O A29CE 1E10 19980402006481998040200648NE 1998 4 2 AU980189 219980109G7314216041101 SEAL BAC 146 146200A 1500266EU LYC ALF502ALF502R5 41580NE ENGINE FUEL PUMPSCORED W KE NONE ENGINE SHUTDOWN OK OTHER FLUID LOSS NRNOT REPORTED 1 AUS 1069ANSETTSN LF05877A (AUS) NO2 ENGINE LOW PRESSURE FUEL PUMP SHAFT CARBON SEAL CONTACT FACE WORN AND SCORED. INTERNAL `O' RING SEAL DAMAGED. FUEL PUMP DRIVESHAFT SPLINES EXCESSIVELY WORN. SUSPECT CAUSED BY LUBRICATING GREASE BEING WASHED OUT OF SPLINES BY FUEL LEAKING PAST THE SHAFT SEAL. 2H74 4F4 F A49EU E6NE 19980402006491998040200649CE 1998 4 2 AU980190 119980212G2140748 PIPE 8259JR2 CESSNA310 310R 2074245CE CONT O520 IO520M 17032SO MCAULY3AF32C3AF32C87 GL HEATING SYSTEM CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS 748 (AUS) CABIN HEATER FUEL LINE CORRODED AND HOLED ON 90 DEGREE BEND. 1L72 3O3 O 3A10 E5CE 5 CP22EA 19980402006501998040200650EU 1998 4 2 AU980191 119980213G332031851A CONNECTOR BAG JETSTMJETSTM3201 1500217EU GARRTTTPE331TPE33112UA 01514WP MCAULY4HFR344HFR34C653 NE PASSENGER COMPARBURNT W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) CABIN LIGHT CONNECTOR ON LEFT REAR LAMP OVERHEATED. CONNECTING WIRE MELTED AND BURN MARKS ON TRIM. 2L72 4T4 TRTA56EU E4WE 6 C3PNE 19980402006511998040200651 1998 4 2 AU980192 119980222G71602 HOSE ROTAX 912 ROTAX912 55555EU LT & RT ENG INT FAILED W K NONE J WARNING INDICATION CRCRUISE 1 AUS (AUS) LH AND RH ENGINE INDUCTION SCAT HOSES FAILED AT CARBURETTOR CONNECTION. 3 I EXPE3I 19980402006541998040200654EA 1998 4 2 AU980195 219980118G72503012264 COVER EMB 110 EMB110P1 3260122SO PWA PT6 PT6A34 52043EA HARTZLHCB3T HCB3TN3 GL TURBINE SECTION MISINSTALLED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) NO2 BEARING COVER INCORRECTLY SEATED. PERSONNEL/MAINTENANCE ERROR. 1L72 4T4 T A21SO E4EA 6 CP15EA 19980402006561998040200656SW 1998 4 2 AU980198 119980225G27702770066001 PLUNGER FRCHLDSA227 SA227DC 3377521SW GARRTTTPE331TPE33112UA 01514WP MCAULY4HFR344HFR34C652 NE GUST LOCK/DAMPERFAILED W A K NONE F FLT CONT AFFECTED NRNOT REPORTED 1 AUS (AUS) RUDDER GUST LOCK SYSTEM PLUNGER ASSEMBLY INTERNAL SLEEVE SEPARATED AND MIGRATED ALONG THE PLUNGER SPIGOT FOULING THE RUDDER BELLCRANK. 2L72 4T4 TRTA18SW E4WE 6 C3PNE 19980402006611998040200661 1998 4 2 AU980203 419980220G2330508211 AMPLIFIER DHAV DHC8 DHC8102 2809003NM PWA 120 PW120A NE INTERPHONE & PA FAILED W K NONE B SMOKE/FUMES/ODORS/SPARKS CRCRUISE 1 AUS 150 (AUS) PUBLIC ADDRESS SYSTEM AMPLIFIER FAILED. 2H72 4T4 TRTA13NM E20NE 19980402006631998040200663CE 1998 4 2 AU980205 119980216G24607277220 CIRCUIT BREAKER BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA HARTZLHCB3T HCB3TN3 GL FLAP MOTOR OPEN W K NONE O OTHER NRNOT REPORTED 1 AUS (AUS) FLAP MOTOR CIRCUIT BREAKER INTERMITTENT OPEN CIRCUIT. 1L72 4T4 T A24CE E4EA 6 CP15EA 19980402006641998040200664NE 1998 4 2 AU980206 219980217G732425890 FLOW DIVIDER EMB 120 EMB120 3260201SO PWA 118 PW118A NE RT ENG FUEL FAULTY W K NONE EX VIBRATION/BUFFET ENGINE FLAMEOUT DEDESCENT 1 AUS 1106 115476 (AUS) RH ENGINE FUEL FLOW DIVIDER FAULTY. 2L72 4T4 TRTA31SO E20NE 19980410000151998041000015SO 1998 4 10 98ZZZX1335 219980304G85206419311075 THRU BOLT CESSNA421 421C 2076016CE CONT O520 GTSIO520L 17032SO NR 6 CYL FLANGE FAILED B BXSRK NONE O OTHER ININSP/MAINT 1 EA0960RR 679 421C0885 292133R DURING 100-HOUR INSPECTION, FOUND THE NR 6 CYLINDER TOP FORWARD STUD/THRU-BOLT BROKEN AT THE CYLINDER BASE. TCM TECH REP SAYS THAT THERE HAS BEEN A PROBLEM WITH THRU-BOLTS BREAKING EVEN BEFORE THEY LEAVE THE FACTORY. HYDROGEN EMBRITTLEMENT IS THE CAUSE. SUBMITTER DOESN'T KNOW WHY THIS ONE BROKE. 1L72 3O3 O A7CE E7CE 19980410000171998041000017SO 1998 4 10 98ZZZX1337 219980325G7421RHB32S SPARK PLUG CHAMPION CESSNA210 P210N 2073454CE CONT O520 TSIO520P 17040SO ELECTRODE DELAMINATED B CS3RK NONE O OTHER ININSP/MAINT 1 WP17677PC63 P21000677 THE SIDE MOUNTED GROUND ELECTRODE SHOWS SIGNS OF DELAMINATION OR END SPLITS. PREVIOUS MDR SUBMITTED AND WRITTEN IN ALERT 230 SEPT 1997. 1H71 3O3 O 3A21 E8CE 19980410000291998041000029WP 1998 4 10 98ZZZX1276 219980217G7200 ENGINE BEECH 100 B100 1152919CE GARRTTTPE331TPE3316 01514WP RT ENGINE SEIZED B N81RAH UNSCHED LANDING DEACTIVATE SYST/CIRCUITS H ELECT. POWER LOSS-50 PC ININSP/MAINT 1 GL09108EB5418 1848 BE108 P27075 RIGHT ENGINE INSTALLATION AFTER REPAIRS FOR BIRD INGESTION AND COMPLETION OF HSI. AIRCRAFT WAS ON A FLIGHT CHECK FOR THE REQUIRED IN-FLIGHT NTS CHECK. ENG WAS SHUT DOWN AND ON RESTART, SPOOLED TO ABOUT 20 PERCENT WHEN ENG SEIZED. (SEIZURE APPEARS TO BE FROM INTERNAL SHAFT WARPAGE). DURING ATTEMPTED RESTART WHEN ENG SEIZED, THE LOAD ON STARTER WENT EXCESSIVE AND CAUSED STARTER TO OVERHEAT (LIGHT SMOKE FROM RT SIDE, NO FIRE) AND THE 325 RT BUSS CURRENT LIMITER BLEW. THE BLOWN CURRENT LIMITER SHUT DOWN ALL ELECTRICAL POWER TO THE RT SIDE. A SAFE LANDING WAS MADE AND UPON LT ENGINE SHUT DOWN, LT 325 CURRENT LIMITER BLEW. AIRCRAFT TOWED BACK TO MAINTENANCE HANGAR. REPORT IN C/W FAR 135.415 REQUIREMENT. 1L72 4T4 T A14CE E4WE 19980410000621998041000062SO 1998 4 10 98ZZZX1309 219980216G8530636697 VALVE SEAT CONT O520 GTSIO520L 17032SO CYLINDER NR 3 DEFECTIVE B VA1RK NONE W INADEQUATE Q C ININSP/MAINT 1 SW19 5 608715 FACTORY NEW CYLINDER REMOVED FROM THE NR 3 POSITION DUE TO LOW COMPRESSION. UPON DISASSEMLBY, NOTED THE INTAKE VALVE SEAT WAS NOT SEATED PROPERLY IN THE CYLINDER HEAD. SUSPECT CAUSE: DURING ASSEMBLY AT FACTORY, SEAT WAS NOT INSTALLED INTO THE MACHINED PORTION OF THE CYLINDER HEAD PROPERLY. SUBMITTER SUGGESTED A CLOSE INSPECTION OF THE INTAKE AND EXHAUST VALVE SEAT BE PERFORMED DURING CYLINDER ASSEMBLY. CYLINDER MFG DATE: 12-97. 3 O E7CE 19980415000031998041500003WP 1998 4 15 AU980126 219980204G7210M274263144C CIRCLIP GARRTT COUPLING FRCHLDSA227 SA227DC 3377521SW GARRTTTPE331TPE33112UA 01514WP MCAULY4HFR344HFR34C652 NE LT ENG RED BOX FAILED W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS DEDESCENT 1 AUS LOT3308 P70182 (AUS) LH ENGINE REDUCTION GEARBOX MAINSHAFT COUPLING ASSEMBLY PNO 3103726-2 CIRCLIP FAILED ALLOWING THE COUPLING TO MOVE FORWARD ONTO THE HIGH SPEED PINION GIVING MINIMAL SPLINE CONTACT AND EVENTUAL DECOUPLING OF THE DRIVE. 2L72 4T4 TRTA18SW E4WE 6 C3PNE 19980417000961998041700096EA 1998 4 17 98ZZZX1448 219980318G8530 VALVE SEAT CESSNA172 172P 2072436CE LYC O320 O320D2J 41508EA NR 3 CYL EXH VLVDAMAGED H K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS ININSP/MAINT 1 WP07540484627 505 17274857 L1223939A DURING AIRCRAFT RUN-UP, THE PILOT NOTICED THE ENGINE WAS RUNNING ROUGH. THE MECHANIC PULLED A COMPRESSION CHECK AND FOUND THAT NR 3 CYLINDER HAD NO COMPRESSION. FURTHER INVESTIGATING AND CYLINDER REMOVAL SHOWED THE EXHAUST VALVE SEAT INSIDE THE CYLINDER HAD SLIPPED OUT FROM ITS GROOVE; THUS, NOT ALLOWING FOR PROPER VALVE SEATING. 1H71 3O3 ONT3A12 E274 19980417001021998041700102SO 1998 4 17 98ZZZX1454 219980330G8530653191 GASKET CESSNA206 TU206G 2073357CE CONT O520 TSIO520M 17040SO CYL NR 3 ROCKER LEAKS D K NONE K FLUID LOSS ININSP/MAINT 1 NM079438M9 U20604546 A SMALL OIL LEAK ON NR 3 CYLINDER WAS REPAIRED BY INSTALLING A NEW P/N 653191 ROCKER COVER GASKET. NINE HOURS LATER, A LARGE OIL LEAK WAS EVIDENT, CYLINDER NR 3. UPON PULLING COVER, FOUND GASKET HAD SHRUNK CAUSING OIL LEAK WHERE THE GASKET WENT STRAIGHT BETWEEN TWO SCREWS. 1H71 3O3 O A4CE E8CE 19980417002711998041700271EU 1998 4 17 AU980066 119980130G3244 TIRE REIMS 406 F406 EU PWA PT6 PT6A112 52043NE MCAULY3G34C73GFR34C701 GL MLG DAMAGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) TIRE CONTAINED FLAT SPOT. FOUND DURING INSPECTION FOLLOWING ABORTED TAKEOFF DUE TO BIRD STRIKE AVOIDANCE. 1L72 3T3 TRTA54EU E4EA 5 CP60GL 19980417002781998041700278NE 1998 4 17 AU980214 219980225G85308408 VALVE GUIDE DHAV DHC2 DHC2EVANS 2801832EA PWA R985 R985AN14B 52008NE NR 1 CYL EXH LOOSE W K NONE O OTHER ININSP/MAINT 1 AUS 269 8408 8408 (AUS) NR 1 CYLINDER EXHAUST VALVE GUIDE LOOSE. 1H71 3O3 R A806 5E1 19980417002811998041700281EA 1998 4 17 AU980217 219980228G8520 TAPPET PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA NR 4 CYL CAM FAILED W K NONE ERKVIBRATION/BUFFET PARTIAL RPM/PWR LOSS FLUID LOSS NRNOT REPORTED 1 AUS L655261A (AUS) LT ENGINE CRANKCASE HOLED IN AREA ADJACENT TO NR 4 CYLINDER INLET CAM FOLLOWER. CAM FOLLOWER HEAD MISSING. NR 3 CYLINDER CAM FOLLOWER ALSO DAMAGED. 1L72 3O3 O A20SO E14EA 19980417002871998041700287EU 1998 4 17 AU980223 219980226G8500 ENGINE RROYCEGIPSY GIPSY30* 20005EU LT ENG MALFUNCTION W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CLCLIMB 1 AUS 66793 (AUS) LT ENGINE FLUCTUATING. ENGINE BOOST AND OIL PRESSURE DROPPED OFF AND ENGINE RAN ROUGH. 3 I E294 19980417002951998041700295NE 1998 4 17 AU980231 219980221G7230 COMPRESSOR BELL 412 412 1182202SW PWA PT6T PT6T3B 52045NE LT ENGINE DAMAGED W K NONE O OTHER NRNOT REPORTED 1 AUS 63417 (AUS) LT ENGINE COMPRESSOR DAMAGED. 1G72 4U4 U H4SW E22EA 19980417002961998041700296SO 1998 4 17 AU980232 219980306G8520643202 CRANKCASE STUD CESSNA402 402A 207590MCE CONT O520 TSIO520E 17040SO NR 5 CYL PAD CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS 502423 (AUS) CRANKCASE CRACKED AT NR 5 CYLINDER MOUNTING PAD. BOTTOM TWO MOUNT STUDS BROKEN. 1L72 3O3 O A7CE E8CE 19980417003171998041700317NE 1998 4 17 AU980253 219980218G723031042764 IMPELLER GARRTT JETAIRJETSTMJETSTM4101 1500501EU GARRTTTPE331TPE33114GR 01514NE TURB ENG COMP DAMAGED W K NONE O OTHER ININSP/MAINT 1 AUS P75052 (AUS) COMPRESSOR BLADE FAILED AND SEPARATED. IMPELLER HAD SUFFERED A BIRDSTRIKE THIRTEEN DAYS EARLIER BUT INSPECTION FOUND IMPACT DAMAGE TO BE WITHIN LIMITS. 2L72 4T4 TRTA41NM E18NE 19980417003231998041700323EA 1998 4 17 AU980259 219980303G8520 STUD BELL 47 47G3B1 1181028SW LYC O435 VO435A1F 41516EA ENG NR 5 CYL FAILED W K NONE O OTHER ININSP/MAINT 1 AUS L201552 (AUS) NR 5 CYLINDER HOLD DOWN STUDS FAILED. 1G71 3O3 O 2H3 E279 19980417003241998041700324 1998 4 17 AU980260 119980221G7400 IGNITION SYSTEM 912A ROTAX 912 ROTAX912 55555EU ENG IGNITION FAULTY W K NONE O OTHER DEDESCENT 1 AUS 4410151 (AUS) ENGINE WOULD NOT START. SUSPECT CAUSED BY WEAK IGNITION SYSTEM. 3 I EXPE3I 19980417003251998041700325SW 1998 4 17 AU980262 119980213G6200 MAIN ROTOR SYS BELL 206 206B 1181511SW ALLSN 250C 250C20B 03013GL DRIVE SYS STOPPAGE W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) MAIN ROTOR, TAIL ROTOR AND DRIVE SHAFT COMPONENTS - SUSPECT FOLLOWING DYNAMIC ROLLOVER ON 2/13/98. 1G71 3U3 U H2SW E4CE 19980417003261998041700326NM 1998 4 17 AU980263 119980123G5310 STRUCTURE BOEING727 7272J4 1384006NM PWA JT8 JT8D17 52049NE FUSELAGE CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) AIRCRAFT STRUCTURE CORRODED. 2L73 4F4 FRTA3WE E2EA 19980417003271998041700327NM 1998 4 17 AU980264 119980115G5310 STRUCTURE BOEING727 72777C 1380420NM PWA JT8 JT8D15 52051NE FUSELAGE CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) AIRCRAFT STRUCTURE CORRODED. 2L73 4F4 F A3WE E2EA 19980417003421998041700342SO 1998 4 17 AU980280 219980204G8520 CRANKCASE CONT O360 TSIO360E 17025SO ENGINE CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS 237339R (AUS) ENGINE CRANKCASE RT HALF CRACKED IN NR 4 MAIN BEARING TUNNEL AND LT HALF CRACKED IN NR 2 AND NR 3 MAIN BEARING TUNNELS. CRANKSHAFT CRACKED ON NR 4 MAIN BEARING. CRACK LENGTH APPROXIMATELY 50.8MM (2 INCHES). 3 O E9CE 19980417003511998041700351EA 1998 4 17 AU980289 219980312G7314B2680 SCREW RG34720A BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA FUEL PUMP DEFECTIVE W K NONE O OTHER ININSP/MAINT 1 AUS B2680 PCE81596 (AUS) FUEL PUMP SCREWS FAILED TORQUE CHECK IAW ROMEC SB 101SB018. 1L72 4T4 T A24CE E4EA 19980417003541998041700354NE 1998 4 17 AU980292 219980303G8530366249 CYLINDER R134059 DHAV DHC3 DHC3 2800202EA PWA R1340 R134059 52016NE NR 1 CYL LEAKING W K NONE O OTHER ININSP/MAINT 1 AUS 10 (AUS) NR 1 CYLINDER LEAKING BETWEEN CYLINDER AND BARREL. 1H71 3R3 R A815 5E2 19980417003651998041700365 1998 4 17 AU980303 119980322G7170 HOSE ROTAX 912 ROTAX912 55555EU ENGINE DRAINS INCORRECT W K NONE O OTHER ININSP/MAINT 1 AUS 438067 (AUS) CARBURETOR OVERFLOW DRAIN PIPE POSITIONING COULD CAUSE A FIRE HAZARD. 3 I EXPE3I 19980417003681998041700368 1998 4 17 AU980306 119980323G7602115C6030 SUPPORT LYC O360 O360A1F6 41514EA MIXTURE CONTROL CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS L3482036A (AUS) ENGINE MIXTURE CONTROL CABLE CLAMP SUPPORT CRACKED. 3 O E286 19980417003691998041700369SO 1998 4 17 AU980308 219980325G8520 CRANKCASE CONT O520 IO520M 17032SO ENGINE FAULTY W K NONE O OTHER ININSP/MAINT 1 AUS 565121 (AUS) CRANKCASE TUNNELS OUT OF LIMITS. 3 O E5CE 19980417003721998041700372EU 1998 4 17 AU980311 119980325G2750 VALVE JETAIRJETSTMJETSTM4101 1500501EU GARRTTTPE331TPE33114GR 01514NE TE FLAP CONTROL FAULTY W K NONE F FLT CONT AFFECTED TOTAKEOFF 1 AUS (AUS) FLAP CONTROL VALVE RESET IN ACTIVATED POSITION. FLAPS WOULD NOT RETRACT. FLAPS RESET AND SYSTEM OPERATED OK. 2L72 4T4 TRTA41NM E18NE 19980417003741998041700374WP 1998 4 17 AU980313 219980327G726131035781 TUBE 31080801 SWRNGNSA227 SA227AC 8780603SW GARRTTTPE331TPE33111U 01514WP ENGINE OIL CHAFED W K NONE O OTHER ININSP/MAINT 1 AUS 2647 P44386 (AUS) REAR TURBINE OIL SUPPLY TUBE CHAFING ON UTS SYSTEM OIL SUPPLY TUBE. 2L72 4T4 TRTA8SW E4WE 19980417003841998041700384SO 1998 4 17 AU980324 219980218G74146210 MAGNETO CESSNA210 210N 2073453CE CONT O520 IO520L 17032SO LT MAG FAULTY W K NONE E VIBRATION/BUFFET CRCRUISE 1 AUS 88040262 567450 (AUS) LT MAGNETO FAULTY. 1H71 3O3 O 3A21 E5CE 19980417003851998041700385SO 1998 4 17 AU980325 219980324G8530653426A13 CYLINDER CESSNA150 150G 2071816CE CONT O200 O200A 17020SO EXH VALVES WORN W K NONE O OTHER ININSP/MAINT 1 AUS 20R005 (AUS) ENGINE CYLINDERS HAD LOW COMPRESSION. INVESTIGATION FOUND WORN EXHAUST VALVE GUIDES AND GLAZED AND OUT OF ROUND CYLINDER BORES. 1H71 3O3 O 3A19 E252 19980417003911998041700391EA 1998 4 17 AU980331 219980326G7322229164 TUBE FACET MA3PA LYC O235 O235H2C 41505EA CARBURETOR SEPARATED W K NONE E VIBRATION/BUFFET LDLANDING 1 AUS 413 DT31958 L24482815 (AUS) CARBURETOR ACCELERATOR PUMP DISCHARGE TUBE SEPARATED AND FELL INTO THE AIRBOX. 3 O E223 19980417003931998041700393GL 1998 4 17 AU980333 319980324G6114C90 HUB CESSNA206 U206G 2073356CE CONT O520 IO520F 17032SO MCAULY3A32C D3A32C90 GL PROPELLER CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS 1182 7710030 (AUS) PROPELLER HUB CRACKED ON FLANGE AREA. INVESTIGATION ALSO FOUND THAT ALL THREE BLADE SOCKETS WERE FILLED WITH `SILASTIC' SEALANT. PERSONNEL/MAINTENANCE ERROR. 1H71 3O3 O A4CE E5CE 5 CP21EA 19980417005631998041700563WP 1998 4 17 CA970521009 219980319G72613615309101 OIL CAP LEAR 35 31A 5170531CE GARRTTTFE731TFE73122B 01518WP LT ENG OIL LOOSE W E ENGINE SHUTDOWN K FLUID LOSS CLCLIMB 1 CA 2946 P99188 (CAN) LOSS OF OIL PRESSURE INDICATION ON LT ENGINE DURING CLIMB. ENGINE PRECAUTIONARY SHUT DOWN CARRIED OUT. FOUND LT ENGINE OIL DIPSTICK CAP NOT SECURE. CLEANED ENGINE, REPLACED OIL CAP PACKING, AND RE-SERVICED ENGINE OIL SYSTEM. 2L72 4F4 FRTA10CE E6WE 19980417005921998041700592CE 1998 4 17 CA970605003 119980319G324640169 WHEEL CLEVELAND 40169 CESSNA441 441 2076020CE GARRTTTPE331TPE33110 01514WP MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 CA 330 P77306 (CAN) OUTBOARD WHEEL HAS A .500 INCH CRACK RUNNING FROM BASE OF BOLT HOLE COUNTER BORE TO INSIDE OF WHEEL .500 INCH ABOVE O-RING AIR SEAL. CRACK ALLOWED TUBELESS TIRE TO SLOWLY DEFLATE. REPLACED. 1L72 3T4 TRTA28CE E4WE 19980417005981998041700598SO 1998 4 17 98ZZZX1456 219980227G8520641931981 BOLT CONT O470 IO470K 17026SO CASE THRU BOLT BROKE D K NONE O OTHER ININSP/MAINT 1 GL17 861591K THRU-BOLT BROKE AFTER 14 HOURS. ENGINE NEVER RAN BEFORE BOLT BROKE. 3 O 3E1 19980417006131998041700613EA 1998 4 17 98ZZZX1471 219980408G8530 ROCKER SHAFT CESSNA172 172R 2072401CE LYC O360 O360F1A6 41514EA NR 3 EXH-INT LOOSE G A UNSCHED LANDING R PARTIAL RPM/PWR LOSS CRCRUISE 1 SW15 2 A DEAD CYLINDER CAUSED AIRCRAFT TO LAND. TROUBLESHOOTING FOUND NR 3 CYLINDER DEAD. WHEN REMOVING THE VALVE COVER, FOUND THE INTAKE AND EXHAUST ROCKER SHAFTS LOOSE AND ONE RETAINING NUT WAS INSIDE THE VALVE COVER. THE ACFT HAD JUST BEEN RETURNED TO SERVICE 2 TACK HOURS EARLIER, THE LOG BOOK SHOWED THAT ALL PUSH ROD SEALS WERE REPLACED DUE TO OIL LEAKS. THE OIL SEALS WERE REPLACED BUT UPON RE-INSTALLATION OF THE ROCKER SHAFT, THE MECHANIC USED STAR WASHERS TO SECURE THE PLAIN NUTS INTO PLACE. THE CONTINENTAL ENGINE MANUALS CALLS FOR A LOCK P/N 50186. NEW LOCKS INSTALLED (24 EACH) ON ALL ROCKER SHAFT RETAINING NUTS AND CRIMP LOCKED AS REQUIRED. NO HARM WAS DONE AND GROUND RUN-UP WAS SATISFACTORY. 1H71 3O3 ONT3A12 E286 19980417006181998041700618NE 1998 4 17 98ZZZX1475 219980330G7250411101007 NOZZLE 410100038 LYC LTS101LTS101600A3 41560NE GP MODULE BURNT D K NONE O OTHER NRNOT REPORTED 1 SO13 C400 LE43177CE GP NOZZLE WAS INSTALLED ON ENGINE THAT WAS SURGING. DURING INVESTIGATION, FOUND THE NEWLY OVERHAULED GP NOZZLE TO HAVE BURNED VANES. THERE ARE OTHER NOZZLES WITH SIMILAR DEFECTS NOTED ON OTHER INSTANCES. INVESTIGATION OF THIS MATTER IS ONGOING. 3 U E5NE 19980417006191998041700619SO 1998 4 17 98ZZZX1476 219980303G73229944 PLUG FACET MA45 CESSNA182 182N 2072730CE CONT O470 O470P 17026SO CARBURETOR BOWL MISSING DLA A UNSCHED LANDING A FLAME/FIRE CLCLIMB 1 WP239109G1752 BD175233 18260649 21119771R FOLLOWING TAKEOFF, ENGINE RUNNING ROUGH AND FIRE ERUPTED. AFTER LANDING, INSPECTION FOUND FIRE IN ENGINE COMPARTMENT DUE TO MISSING DRAIN PLUG FROM CARBURETOR BOWL. NO SAFETY WIRE EVIDENT. 1H71 3O3 ONT3A13 E273 19980417006641998041700664CE 1998 4 17 CA971104007 119980331G3233ADI79990035 PISTON ROD ADI79990033 BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA MLG ACTUATOR LEAKING W K NONE O OTHER ININSP/MAINT 1 CA 3967 ADI203M PCE81498 (CAN) MAIN LANDING GEAR ACTUATOR LEAKING FLUID BETWEEN PISTON ROD AND ACTUATOR HOUSING. DISASSEMBLY OF THE ACTUATOR REVEALED CORROSION ON ROD AFFECTED THE"O" RING CAUSING THE HYDRAULIC LEAK. NEW ACTUATOR INSTALLED. 1L72 4T4 T A24CE E4EA 19980417007491998041700749NE 1998 4 17 98ZZZX1490 219980406G7321105970 NOZZLE JFC3123 BAG BAE146BAE146200A 1500266EU LYC ALF502ALF502R 41580NE FCU PUMP FRACTURED D O OTHER Y ENGINE STOPPAGE CRCRUISE 1 WP05 12803920 F10956 FUEL CONTROL FAILURE. ENGINE SHUT DOWN IN-FLIGHT. SUSPECT CAUSE: PUMP NOZZLE IS FRACTURED CAUSING SEVERE CONTAMINATION. 2H74 4F4 FRTA49EU E6NE 19980417007531998041700753GL 1998 4 17 98ZZZX1494 219980330G73143865005 FUEL PUMP HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE FAILED B LS1RK NONE O OTHER ININSP/MAINT 1 EA13500DC2502 T107446 290456D FAILED BYPASS CHECK AT 100 HOUR INSPECTION. FUEL PUMP REMOVED AND SENT FOR OVERHAUL EVALUATION. 1G71 3U3 U H3WE E4CE 19980424000871998042400087EA 1998 4 24 98ZZZX1518 219980301G8550 OIL PUMP GULSTMAA1 AA1A 0630710SO LYC O235 O235C2C 41505EA ENGINE OIL WRONG GEARS D K NONE W INADEQUATE Q C ININSP/MAINT 1 NE017255L AA1A0455 L1139615 ANNUAL INSPECTION RECORD CHECK FOUND AD 75-08-09 C/W NOV 1976. REPLACED GEARS 6-7-78. ENGINE OVERHAULED, NO DETAILS GIVEN. 6-30-79 - ENGINE REMOVED AND STORED. TT 697.4 HOURS. 6-30-84. ENGINE INSTALLED IN N 7255L. AD 81-18-04R2. SIGNED OFF ON AD LIST AS DUE AT 2,000 HRS OR OVERHAUL. IN C/W AD 96-09-10, ENGINE REMOVED AND GEARS INSPECTED AND FOUND TO BE SINTERED IRON. BOTH GEARS REPLACED WITH HARDENED STEEL. 1L71 3O3 O A11EA E223 19980424000881998042400088EA 1998 4 24 98ZZZX1519 219980306G8520 STUD PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA NR 1 CYLINDER FAILED D O OTHER ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 EA134108D3713 318352018 L890061A 95.3 HOURS SINCE OVERHAUL: PILOT REPORTED ROUGH RUNNING ENGINE. INSPECTION SHOWED NR 1 CYLINDER, 2 EACH, TOP CYLINDER STUDS AND, 2 EACH, AFT STUDS BROKEN. FUEL INJECTOR LINE BROKEN, INTAKE TUBE DAMAGED. .3750 INCH STUDS, P/N 38-13. .50 INCH STUDS, P/N 50-15. 1L72 3O3 O A20SO E14EA 19980424000891998042400089EA 1998 4 24 98ZZZX1520 219980320G8520 STUD PIPER PA31 PA31350 7103110SO LYC O540 LTIO540J2BD 41533EA NR 4 CYLINDER FAILED D O OTHER ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 EA134108D5145 318352018 L43068A 108.9 HOURS SINCE OVERHAUL: PILOT REPORTED ROUGH RUNNING NR 4 CYLINDER ALL STUDS BROKEN, FUEL INJECTOR LINE AND EXHAUST PIPE BROKEN, AND CASE CRACKED. THIS ENGINE IS BEING REMOVED FOR REPAIR. .3750 INCH STUDS, P/N 38-13. .50 INCH STUDS, P/N 50-15 THROUGH STUD, P/N 76220. 1L72 3O3 O A20SO E14EA 19980424000911998042400091EA 1998 4 24 98ZZZX1522 219980227G7230230064802 PLATE 210193006 LYC ALF502ALF502* 41580EA NR 2 BEARING MISMARKED B C7GRK NONE W INADEQUATE Q C ININSP/MAINT 1 SO13 FACE PLATE WAS IDENTIFIED AS 2-300-649-02, PART WAS ACTUALLY 2-300-648-02. ASSEMBLY WAS RETURNED BY CUSTOMER FOR HAVING WRONG P/N INSTALLED. NOTIFIED MANUFACTURER OF MIS-IDENTIFICATION TO INITIATE CORRECTIVE ACTION. PERFORMED STOCK SWEEP, NO OTHERS FOUND MISIDENTIFIED. NOTIFIED CENTRAL DISTRIBUTION CENTER IN PHOENIX TO PERFORM STOCK SWEEP FOR SAME. 4 F E6NE 19980424000931998042400093NE 1998 4 24 98ZZZX1524 219980326G7230410100641 AXIAL ROTOR 410102050 LYC LTS101LTS101650B1 41560NE BLADE ROOT SEPARATION B C7GRK NONE O OTHER ININSP/MAINT 1 SO13 787 105244 LE41116AE AXIAL BLADE SEPARATION AT BLADE ROOT AREA - ENGINE FAILURE. INVESTIGATION ONGOING. CORRECTIVE ACTION IN PROGRESS. 3 U E5NE 19980424000941998042400094GL 1998 4 24 98ZZZX1525 219980330G72306896024 EJECTOR NOZZLE ALLSN 250C 250C28B 03013GL NR 1 BROKEN B XZNRK NONE O OTHER ININSP/MAINT 1 WP07 CAE860172 EJECTOR TUBE ASSY HAD TOP TUBE BROKEN OFF CAUSING DAMAGE TO IMPELLER REQUIRING IMPELLER TO BE SCRAPED, PIECES OF TUBE WERE FOUND IN COMBUSTOR AND TURBINE NR 1 NOZZLE. TUBE ROUTED TO ALLISON ENGINE CO. FOR ANALYSIS. OPERATOR ROUTED ENGINE TO REPAIR STATION FOR FOREIGN OBJECT DAMAGE REPAIR. 3 U E1GL 19980424000951998042400095NE 1998 4 24 98ZZZX1526 219980326G7240213139003 COMBUSTION LINER 91C242 LYC LF507 LF5071F NE ENGINE DISTORTED B C7GRK NONE O OTHER ININSP/MAINT 1 SO13 458 LF7367 UPON TEARDOWN OF THE ENGINE FOR AN UNRELATED ISSUE, IT WAS DISCOVERED THE COMBUSTION LINER WAS DISTORTED DUE TO BLOCKED COOLING HOLES. SUSPECT PLASMA COATING OVERSPRAY DURING OVERHAUL. INVESTIGATION IS ONGOING. SERVICE BULLETIN IS PENDING. 4 F E6NE 19980424002901998042400290EA 1998 4 24 HAIGJQR0184 219980410G7210M274263215B RING BELL 212 212 1181420SW PWA PT6T PT6T3 52045EA GR BOX CORRODED H GJQRK NONE O OTHER ININSP/MAINT 1 FS0198W 782 35100 RETAINING RING CORRODED REPLACED WITH NEW PARTS FROM BHT 1G71 4U4 U H4SW E22EA 19980424003421998042400342EA 1998 4 24 98ZZZX1548 219980410G852011B200511DL CRANKCASE CESSNA177 177RG 2073709CE LYC O360 IO360A1B6 41514EA NR 2 CYLINDER CRACKED D K NONE K FLUID LOSS ININSP/MAINT 1 EA252773V3900 1300 177RG0694 L1537951A DISCOVERED 5.50 INCH LONG CRACK ON CRANKCASE BELOW NR 2 CYLINDER FLANGE. CRACK WAS APPROXIMATELY 1 INCH BELOW BOTTOM FLANGE OF CYLINDER AND FOLLOWED ENTIRE BOTTOM CIRCUMFERENCE OF CYLINDER. CRACK WAS DISCOVERED AFTER PILOT REPORT OF A LARGE OIL LEAK FROM FORWARD LEFT SIDE OF COWLING AND STREAKING UNDER AIRCRAFT BELLY. 1H71 3O3 O A20CE 1E10 19980424003451998042400345SO 1998 4 24 98ZZZX1551 119980326G71208401002 MOUNT PIPER PA46 PA46310P 7104605SO CONT O520 TSIO520BE 17040SO FIREWALL RT CRACKED B ABONRK NONE O OTHER ININSP/MAINT 1 GL1940PM 1664 4608005 273699R DURING ANNUAL INSPECTION, FOUND ENGINE MOUNT CRACKED ON RT SIDE. CRACK IS LOCATED WHERE NLG HYDRAULIC ACTUATOR ATTACHES TO MOUNT. DESIGN REQUIRES ACTUATOR TO BE POSITIONED SUCH THAT IT STRESSES THE MOUNT. 1L71 3O3 O A25SO E8CE 19980424007691998042400769SO 1998 4 24 98ZZZX1582 219980408G8530 CYLINDER CONT O520 TSIO520H 17040SO NR 2 SEPARATION D K NONE O OTHER ININSP/MAINT 1 NM03 1100 506111 INSPECTION FOUND NR 2 CYLINDER SEPARATED BETWEEN BORE AND HEAD. 3 O E8CE 19980424007771998042400777EA 1998 4 24 98ZZZX1590 219980401G7310LW120980140 TUBE ASSY MOONEYM20 M20J 5870219SW LYC O360 IO360A3B6 41514EA NR 1 CYLINDER BROKEN D O OTHER ERKVIBRATION/BUFFET PARTIAL RPM/PWR LOSS FLUID LOSS NRNOT REPORTED 1 SO16191ER 243252 L2550151A THE PILOT REPORTED A ROUGH ENGINE AND MADE A PRECAUTIONARY LANDING. THE NR 1 CYLINDER FUEL INJECTOR LINE WAS BROKEN AT THE CYLINDER END. RAW FUEL WAS BEING SPRAYED ON THE ENGINE AS IT WAS RUNNING. THERE WAS NO FIRE. THIS IS A COMMON PROBLEM ON THIS INSTALLATION (NR 1 CYL). AD 93-02-05 IS C/W AT EACH 100-HOUR INSPECTION. 1L71 3O3 O 2A3 1E10 19980424007801998042400780EA 1998 4 24 98ZZZX1593 219980301G74144771 MAGNETO SLICK CESSNA172 172L 2072432CE LYC O320 O320E2D 41508EA ENG LT MAG FAILED D K NONE O OTHER ININSP/MAINT 1 SO09269CJ45 9603001 17259512 2841827A MAGNETO WAS INSTALLED AS A NEW UNIT WITH STC SE419CH ON THIS AIRCRAFT ON 4-28-97. THE STC IS THE UNISON ELECTRONIC IGNITION SYSTEM. DURING THE MAG CHECK WITH THE ENGINE RUNNING AND THE MAG SWITCH IN THE LEFT POSITION, THE ENGINE QUIT. OPERATION WAS NORMAL IN RIGHT MAG OR BOTH POSITIONS. AFTER CONTACTING UNISON, THEY SENT A NEW MAG AND SUGGESTED CHANGING THE UNIT OUT. AFTER THIS WAS DONE WITH A NEW MAG, THE OPERATIONAL CHECK OF THE SYSTEM WAS NORMAL. THE UNSERVICEABLE MAG WAS RETURNED TO UNISON. 1H71 3O3 ONT3A12 E274 19980424007991998042400799NM 1998 4 24 98ZZZX1612 219980126G7210 TRANSFER TUBE GULSTM690TP 690A 0141722SW GARRTTTPE331TPE3315251K NM NOSE CASE OIL BROKEN B HAXRE ENGINE SHUTDOWN EJ VIBRATION/BUFFET WARNING INDICATION CRCRUISE 1 SW1176WA 11342 P06944 CHIP LIGHT CAME ON IN-FLIGHT (VIBRATION). ENGINE SHUT DOWN IN-FLIGHT. FOUND METAL IN OIL SAMPLE. REMOVED NOSE CASE, FOUND OIL TRANSFER TUBE BROKEN OFF, BROKEN RING GEAR, AND ALL PLANETARY GEARS DAMAGED. SENT ENGINE TO AIRSEARCH FOR REPAIR. 188.5 HOURS AFTER GEARBOX INSPECTION. 1H72 3T4 T 2A4 E2WE 19980430002481998043000248SO 1998 4 30 98ZZZX765 219980210G8530 CRANKSHAFT CONT C145 C145* 17012SO CTWT JOURNAL BROKEN G A A UNSCHED LANDING O OTHER CRCRUISE 1 NE03 11 CRANKSHAFT BROKE AT THE COUNTERWEIGHT JOURNAL AREA IN-FLIGHT. PART WAS SERVICED BY AIR AGENCY PRIOR TO INSTALLATION DURING OVERHAUL. PART WILL BE SENT TO CONTINENTAL FOR EVALUATION. 3 O E253 19980430002491998043000249EA 1998 4 30 98ZZZX766 219980210G8520 CRANKSHAFT LYC O235 O235* 41505EA JOURNAL RADII CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 CRANKSHAFT WAS REMOVED FROM INVENTORY FOR PRECAUTIONARY MPI. RANK WAS PROCESSED BY AIR AGENCY AND WAS FOUND CRACKED AT THE JOURNAL RADII. 3 O E223 19980430002501998043000250EA 1998 4 30 98ZZZX767 219980210G852075006 CRANKSHAFT LYC O320 O320* 41508EA JOURNAL RADII CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 121682 PART WAS REMOVED FROM INVENTORY FOR MPI FOLLOWING ADVISORY THAT AIR AGENCY MAY HAVE IMPROPERLY MACHINED CRANKSHAFT. PART WAS FOUND TO HAVE CRACKS IN THE HOURNAL RADII. PART IS NOT SERVICEABLE. 3 O E274 19980430002511998043000251EA 1998 4 30 98ZZZX768 219980210G8520 CRANKSHAFT LYC O235 O235L2C 41505EA JOURNAL RADII CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 PART WAS REMOVED FROM INVENTORY FOLLOWING ADVISORY THAT CRANKSHAFTS PROCESSED BY AIR AGENCY MAY BE DEFECTIVE. CRANKSHAFT WAS MPI AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII. 3 O E223 19980430002541998043000254EA 1998 4 30 98ZZZX771 219980210G8520LW17031 CRANKSHAFT LYC O320 O320D2J 41508EA JOURNAL CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 PART WAS REMOVED FROM INVENTORY AND PRECAUTIONARY MPI PERFORMED. CRACKS IN JOURNAL RADII WERE APPARENT. THIS UNIT WAS PREVIOUSLY GROUND AND POLLISHED BY AIR AGENCY. PART IS SCRAP. 3 O E274 19980430002561998043000256EA 1998 4 30 98ZZZX773 219980124G8520LW10842 CRANKSHAFT PIPER PA60 PA60601P 7106012NM LYC O540 IO540S1A5 41532EA NR 2 JOURNAL FAILED D AE UNSCHED LANDING ENGINE SHUTDOWN E VIBRATION/BUFFET CLCLIMB 1 NE03TGWOW882 8 61P068379633L1959748A PILOT (OWNER) DEPARTING FROM AIRPORT AND CLIMBING THROUGH 4,000 FEET NOTED LOUD BANG AND SEVERE VIBRATION FROM LT ENGINE. ENGINE SHUT DOWN AND SECURED AND SAFE LANDING MADE. DISASSEMBLY OF ENGINE REVEALED CRANKSHAFT BROKEN. BREAK OCCURRED AT THE REAR CHEEK OF THE NR 2 ROD JOURNAL IN THE RADII. CRANKCASE, RODS, CAMSHAFT AND CLYINDERS ALL NOW N.G. 1M72 3O3 ORTA17WE 1E4 19980430002571998043000257EA 1998 4 30 98ZZZX774 219980210G8520LW17577 CRANKSHAFT LYC O360 LIO360C1E6 41515EA JOURNAL RADII CRACKED G K NONE O OTHER ININSP/MAINT 1 NE03 CRANKSHAFT WAS REMOVED FROM INVENTORY FOR MPI FOLLOWING ADVISORY THAT IMPROPER MACHINE WORK WAS PERFORMED BY AIR AGENCY. SHAFT WAS FOUND TO HAVE CRACKS AT THE JOURNAL RADIUS. THIS CRANKSHAFT WAS RE-WORKED BY FAA - AIR AGENCY AND IS SCRAP. 3 O 1E10 19980430002581998043000258EA 1998 4 30 98ZZZX775 219980210G8520LW17577 CRANKSHAFT PIPER PA34 PA34200 7103405SO LYC O360 LIO360C1E6 41515EA JOURNAL RADII CRACKED G K NONE O OTHER ININSP/MAINT 1 NE0315008 220 347250346 PART WAS REMOVED FOR MPI AS A PRECAUTION. THIS CRANKSHAFT WAS RE-WORKED BY AIR AGENCY AND WAS FOUND TO HAVE CRACKS IN THE JOURNAL RADII. 1L72 3O3 O A7SO 1E10 19980430002601998043000260SO 1998 4 30 98ZZZX777 219980128G855007560201 PISTON CESSNA172 172F 2072414CE CONT O300 O300D 17022SO OIL FILTER ADAPTMISMANUFACTURED BS GJ1RK NONE W INADEQUATE Q C ININSP/MAINT 1 NE035772R 17253387 OIL FILTER ADAPTER LONGITUDINAL HOLE IN PISTON DOES NOT INTERSECT HOLES DRILLED THROUGH THE CIRCUMFERENCE. NO OIL IS ALLOWED TO THE FILTER ELEMENT. REPLACED PISTON, OPERATION RETURNED TO NORMAL. SUBMITTER STATED PART WAS NOT MADE ACCORDING TO PRINT. 1H71 3O3 ONT3A12 E253 19980430004201998043000420EA 1998 4 30 98ZZZX957 219980219G74141016301010 MAGNETO PIPER PA23 PA23250 7102308SO LYC O540 IO540C4B5 41532EA ENG LT MAG FAILED D K NONE O OTHER ININSP/MAINT 1 SO334025994 J109709ER 277305069 ENGINE HAD 200 RPM DROP ON LEFT MAGNETO. CHECKED MAG TO ENGINE TIMING, AND COULD NOT GET MAG TIMED TO ENGINE. REMOVED MAG FOR INSPECTION. WHEN MAG WAS OPENED, FOUND MAGNET SHAFT SHEARED AT KEYWAY. THIS MAGNETO WAS A NEW/REBUILD FROM TELEDYNE CONTINENTAL INSTALLED ON THIS AIRCRAFT 94.0 HOURS BEFORE. 1L72 3O3 O 1A10 1E4 19980430004351998043000435EA 1998 4 30 98ZZZX972 219980216G7322MA4SPA CARBURETOR CESSNA172 172N 2072434CE LYC O360 O360A4M 41514EA THROTTLE ARM DEFECTIVE D A K NONE W INADEQUATE Q C ININSP/MAINT 1 EA1391QS 17268167 INSPECTION OF THE CARBURETOR DETERMINED THE THROTTLE ARM BECAME LOOSE ON THE SHAFT. THIS CONDITION RESULTED IN LOSS OF CONTROL OF ENGINE RPM. THE NUT AND COTTER PIN WERE INTACT. SUSPECT THE ORIGINAL INSTALLATION WAS NOT PROPERLY INSTALLED AND TORQUED ALLOWING THE ARM TO BECOME LOOSE. IT IS SUGGESTED THAT CORRECT INSTALLATION AND TORQUE WOULD PREVENT THIS CONDITION. 1H71 3O3 ONT3A12 E286 19980430004481998043000448GL 1998 4 30 98ZZZX985 219980224G731347086 FILTER 6890917 ALLSN 250C 250C20B 03013GL FUEL NOZZLE COLLAPSED D K NONE C F.O.D. ININSP/MAINT 1 WP23 AG49560 FUEL NOZZLE FILTER IS PARTIALLY COLLAPSED DUE TO FOREIGN OBJECT INSERTED INTO INLET. 3 U E4CE 19980430004491998043000449GL 1998 4 30 98ZZZX986 219980224G732123057344 FUEL CONTROL BENDIX 252464429 ALLSN 250C 250C20B 03013GL ENGINE MALFUNCTIONED D K NONE O OTHER ININSP/MAINT 1 WP23 639 BR55894 AE406008 FUEL CONROL UNIT WENT FROM 63 PERCENT TO 80 PERCENT AT FLIGHT IDLE SETTING, UNCOMMANDED. 3 U E4CE 19980430004531998043000453SO 1998 4 30 98ZZZX990 219980210G8530537750 BOLT 654654A1 CESSNA421 421C 2076016CE CONT O520 GTSIO520L 17032SO NR 5 CYL ROCKER FAILED D K NONE K FLUID LOSS ININSP/MAINT 1 NE01886041500 421C0604 292083R PILOT REPORTED OIL LEAKING FROM RIGHT ENGINE. FOUND HOLE IN NR 5 CYLINDER ROCKER COVER. HEAD OF BOLT BROKE OFF THAT ATTACHES ROCKER ARM AND SHAFT TO CYLINDER ASSEMBLY. NEW BOLTS INSTALLED AND NEW ROCKER COVER. 1L72 3O3 O A7CE E7CE 19980430011691998043001169NE 1998 4 30 98ZZZX1096 219980307G7261 SEAL LEAR 25 25 5170506CE GE CJ610 CJ6106 30006NE OIL FILLER NECK FAILED E E ENGINE SHUTDOWN JK WARNING INDICATION FLUID LOSS CRCRUISE 1 GL2328CK 6642 045 211205 RIGHT ENGINE SHUT DOWN IN-FLIGHT DUE TO LOW OIL PRESSURE. REPLACED FILLER NECK SEAL, INSPECTED OIL FILTER AND CHIP DETECTOR. SERVICED WITH MOBILE JET II. GROUND RUN, LEAKED CHECKED, AND RETURNED TO SERVICE. 2L72 4J4 J A10CE 1E16 19980501000051998050100005GL 1998 5 1 98ZZZX1618 219980409G75322305317 BLEED VALVE HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE FAILED B LS1RK NONE J WARNING INDICATION NRNOT REPORTED 1 EA131097J 1360 900801D CAE833805 ENGINE WOULD NOT MAKE POWER. PERFORMANCE RUN FOUND ENGINE RUNNING WITH EXCESSIVELY HIGH TOT. BLEED VALVE REPLACED, PERFORMANCE CHECK OK, ACFT RETURNED TO SERVICE. CNTRL NR 98-4-6. 1G71 3U3 U H3WE E4CE 19980501000061998050100006GL 1998 5 1 98ZZZX1619 219980409G732323057870 GOVERNOR HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL POWER TURBINE MALFUNCTIONED B LS1RK NONE O OTHER ININSP/MAINT 1 EA131097J 301 90081D CAE833805 PT GOVERNOR WAS SURGING BELOW LIMITS. PT GOVERNOR REPLACED, OPS CHECK OK. AIRCRAFT RETURNED TO SERVICE. CNTRL NR 98-4-5. 1G71 3U3 U H3WE E4CE 19980501000071998050100007GL 1998 5 1 98ZZZX1620 219980409G732223056936 FUEL CONTROL BELL 206 206B 1181511SW ALLSN 250C 250C20B 03013GL ENGINE DEFECTIVE B LS1RK NONE O OTHER ININSP/MAINT 1 EA13206BX 1730 2872 CAE833239 FUEL CONTROL BEARING - BLUE GREASE WASHED OUT. SENT FOR REPAIR. CNTRL NR 98-4-7. 1G71 3U3 U H2SW E4CE 19980501000131998050100013EA 1998 5 1 98ZZZX1626 219980414G8510LW10551 RING GEAR PIPER PA28 PA28181 7102807SO LYC O360 O360A4M 41514EA STARTER WRONG PART D A K NONE W INADEQUATE Q C ININSP/MAINT 1 WP074149Y43 2843128 L3592736A DURING ROUTINE INSPECTION, MECHANIC NOTICED THERE WAS ABNORMAL AMOUNT OF WEAR ON THE STARTER RING GEAR FOR ONLY HAVING 43 HOURS TT ON THE PART. UPON FURTHER INSPECTION, FOUND THE WRONG P/N RING GEAR INSTALLED. THE CORRECT RING GEAR IS P/N 72566 WHICH IS FOR A RT ROTATING ENGINE. THE P/N LW-10551 RING GEAR IS FOR A LT ROTATING ENGINE. THIS IS EVIDENCED WHILE SITTING IN THE PILOT SEAT, THE RING GEAR BEVEL (CHAMFER SIDE) SHOULD BE ON THE RIGHT SIDE FOR RT ROTATION, AND LEFT SIDE FOR LT ROTATION. ALTHOUGH THERE WERE WEAR MARKS, SYSTEM OPERATIONS WERE NORMAL. 1L71 3O3 O 2A13 E286 19980508000161998050800016WP 1998 5 8 98ZZZX1639 219980402G723031013731 PLATE LOCK GARRTTTPE331TPE3312 01514WP IMPELLER SHROUD FAILED BS FTURK NONE O OTHER ININSP/MAINT 1 NE05CGHQG P06697C BOLTS ATTACHING THE FIRST STAGE IMPELLER SHROUD TO THE IMPELLER HOUSING WERE FOUND LOOSE AND MISSING DURING A ROUTINE ENGINE INSPECTION. THESE BOLTS USE A LOCK TAB P/N 3101373-1 TO LOCK A MS9489-19 BOLT AND SPACER IN PLACE. REPLACEMENT PARTS WERE ORDERED AND IT WAS FOUND THE LOCK TABS HAVE A LARGER HOLE THAN THE BOLT IT IS SUPPOSED TO LOCK. THE LOCK TAB HOLE MEASURES .224 INCH AND THE BOLT IS .187 INCH. WHEN THE LOCK TAB IS BENT TO LOCK THE BOLT HEAD, THERE IS ENOUGH ROOM FOR THE BOLT TO TURN IF VIBRATION OCCURS. SUGGEST LOCK TAB HOLE DIAMETER IS REDUCED TO PROPERLY LOCK THE BOLT IN PLACE. 3 T E3WE 19980508006421998050800642GL 1998 5 8 HEEA0014004 219980421G72306887619 SEAL 23033191 ALLSN 250C 250C28B 03013GL ENG COMP FAILED E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 CAC70662 CAE860213 COMPRESSOR DISASSEMBLED DUE TO LOW POWER ON TEST CELL. UPON INSPECTION OF COMPRESSOR PARTS NOTED: CRACKED AND FLAKING ON SEAL CARBON OUTER EDGE. INSTALLED A NEW SEAL. 3 U E1GL 19980508008681998050800868NE 1998 5 8 98ZZZX1645 219980415G7230360705 COUPLING LOCK PWA JT8 JT8* 52044NE ENGINE COMP WORN B B97RK NONE O OTHER ININSP/MAINT 1 NE03 82330013 ENGINE COUPLING LOCK HAS MAX WEAR ON OD .010. ACTUAL .012. WEAR EXCEEDS MANUAL LIMITS. RETURNED TO CUSTOMER. 4 F E2EA 19980508008701998050800870NE 1998 5 8 98ZZZX1647 219980415G7230772512 DISK PWA JT8 JT8* 52044NE ENG C12 PITTED B B97RK NONE O OTHER ININSP/MAINT 1 NE03 11786 N81043 ENGINE C12 DISK HAS PITTING ON RADIUS. NO DAMAGE ALLOWED IN RADIUS BETWEEN WEB AND SNAP DIAMETERS. INSPECTION 01, SECTION 4(B), TASK 72-36-46. PART RETURNED TO CUSTOMER AS SCRAP. TC: 10,381. 4 F E2EA 19980508008761998050800876EA 1998 5 8 98ZZZX1655 219980406G7322105217 CARBURETOR FACET MA4SPA CESSNA172 172L 2072432CE LYC O320 O320E2D 41508EA FUEL INLET WORN D K NONE K FLUID LOSS ININSP/MAINT 1 SO337201Q3149 548 75008623 17260501 L3287027A FUEL INLET FITTING HAD STRIPED THREADS OUT OF CARBURETOR HOUSING AND LEAKING FUEL. INSTALLED REBUILT PART. 1H71 3O3 ONT3A12 E274 19980508008811998050800881SO 1998 5 8 98ZZZX1660 219980401G8550AN9171D T-FITTING CESSNA182 182F 2072714CE CONT O470 O470R 17026SO TURBO LT SIDE CRACKED D K NONE K FLUID LOSS ININSP/MAINT 1 NM033341U 18254741 843463R4 INSPECTION FOR AN OIL LEAK FOUND THE T-FITTING THAT FEEDS OIL PRESSURE TO BOTH TURBOS WAS CRACKED. THE FITTING IS LOCATED JUST AFT OF THE LEFT TURBO. IF THE LEAK HAD GONE UNNOTICED, THERE IS A SUBSTANTIAL POSSIBILITY OF AN ENGINE FIRE. RECOMMEND USING BRASS OR STEEL FITTING NEAR TURBOCHARGERS INSTEAD OF ORIGINAL ALUMINUM ONES CALLED OUT FOR IN RAJAY TURBO CONVERSION. 1H71 3O3 ONT3A13 E273 19980508008911998050800891SO 1998 5 8 98ZZZX1670 219980414G8520 CRANKCASE CESSNA206 U206G 2073356CE CONT O520 IO520F 17032SO NR 6 CYL STUD CRACKED D K NONE O OTHER ININSP/MAINT 1 AL03756QP580 U20604274 564851 THE CRANKCASE SPLIT FROM NR 6 CYLINDER HOLE TO OIL FILLER HOLE ON TOWARD TO THE FRONT OF THE CASE. THIS OCCURRED IN CONJUNCTION WITH THE CYLINDER MOUNTING STUD IN THIS IMMEIDATE AREA FAILING. THE CIRCUMSTANCES UNDER WHICH IT OCCURED WERE 'NORMAL OPERATION'. SUSPECT CAUSE - OVERTORQUEING OF SAID CYLINDER STUD BOLT. 1H71 3O3 O A4CE E5CE 19980508008961998050800896EA 1998 5 8 98ZZZX1675 219980409G8530 VALVE GUIDE CESSNA172 172P 2072436CE LYC O320 O320D2J 41508EA NR 3 CYL EXH VLVDEFECTIVE D CD ABORTED TAKEOFF RETURN TO BLOCK O OTHER TOTAKEOFF 1 SW999477L 1400 17276562 L1045839A ON TAKEOFF, A MOMENTARY ENGINE ROUGHNESS PROMPTED THE PILOT TO ABORT TAKEOFF. THE AIRCRAFT EXCEEDED RUNWAY LENGTH AND STRUCK AN ANTENNA. INSPECTION OF THE ENGINE REVEALED A BUILD-UP OF CARBON IN THE NR 3 EXHAUST VALVE GUIDE. NOTE: ALL EXHAUST VALVE GUIDES WERE REAMED APPROXIMATELY 650 HRS PRIOR TO INCIDENT. AFTER INCIDENT, ENGINE RUN-UP WAS NORMAL. 1H71 3O3 ONT3A12 E274 19980508009041998050800904GL 1998 5 8 98ZZZX1683 219980427G7320704A34130163 CONTROL CABLE AEROSPAS355 AS355F2 8680812EU ALLSN 250C 250C20F 03013GL NR 2 N2 CONTROL FRAYED D K NONE O OTHER ININSP/MAINT 1 SW03942MS99 5498 CABLE FRAYED AND BEARING WORN OUT CAUSING BINDING OF N2 LINKAGE. SUBMITTER SUGGESTED INSTALLING A BETTER, MORE RELIABLE SYSTEM. 1G72 3U3 U H11EU E4CE 19980508009191998050800919GL 1998 5 8 98ZZZX1697 219980417G7414 DRIVE COUPLING AMTR SONERISONERAI2 GL AMTRVWVOLKS VW2200VOLKS GL ENGINE MAGNETO FAILED G A A UNSCHED LANDING Y ENGINE STOPPAGE CRCRUISE 1 GL11247RJ 999 THE CAST ALUMINUM MAGNETO DRIVE COUPLING WHICH IS KEYED TO THE FLYWHEEL BROKE INTO FOUR PIECES. THE RESULTANT FRICTION MELTED AND FUSED A PORTION OF THE BROKEN PIECES OF THE COUPLING TO THE STATIONARY CROSS MEMBER ENGINE MOUNT. THIS FAILURE OF THE MAGNETO COUPLING RESULTED IN THE FAILURE OF THE ENGINE DURING CRUISE AND ULTIMATELY THE ACCIDENT WHICH DESTROYED THE AIRCRAFT AND INJURED THE PILOT. THE COUPLING BROKE AT THE KEYWAYS AND SHOWED EVIDENCE OF PRE-EXISTING CRACKS POSSIBLY CASTING FLAWS. SUBMITTER RECOMMENDED THE MAGNETO DRIVE COUPLING BE MILLED FROM A SOLID PIECE OF HIGH GRADE ALUMINUM AND ALL EDGES BE RADIUSED TO PREVENT CRACKING. 1M71 3O3 O EXPA1M71EXP3O 19980508011291998050801129GL 1998 5 8 HEEA0014091 219980430G7230230052711 SPLINE ADAPTER ALLSN 250C 250C30S 03013GL ENGINE MIS MFG E HEEAK NONE W INADEQUATE Q C ININSP/MAINT 1 SW03 RECEIVING INSPECTION REVEALED: MEASURED (.9853) .0002 BELOW SPECS .9855 - .9860 ON SPLINED ADAPTER O.D. 3 U E1GL 19980508014141998050801414NE 1998 5 8 CA980407014 219980331G7200 ENGINE BOEING727 727212 138407GNM PWA JT8 JT8D17 52049NE NR 2 FAILED W CEFDABORTED TAKEOFF ENGINE SHUTDOWN ACTIVATE FIRE EXT. RETURN TO BLOCK AT FLAME/FIRE ENGINE CASE PENETRATION TOTAKEOFF 1 CA 4289513899 689976 (CAN) DURING TAKEOFF, NR 2 ENGINE FAILED WITH SUBSEQUENT FIRE WARNING. TAKEOFF WAS REJECTED. FIRE DRILL AND EVACUATION CARRIED OUT. FURTHER REPORT TO FOLLOW. PART TC: 19,706. 2L73 4F4 F A3WE E2EA 19980515000681998051500068EA 1998 5 15 CA980407007 219980212G8500 ENGINE BBAVIA8 8GCBC 1220803SW LYC O360 O360C2E 41514EA POWER SECT MAKING METAL W K NONE O OTHER ININSP/MAINT 1 CA 1112 L2691136A (CAN) ENGINE REMOVED DUE TO NON-FERROUS METAL IN THE OIL SCREEN. ENGINE SHIPPED FOR REPAIR. REPORT TO FOLLOW. 1H71 3O3 O A21CE E286 19980515002681998051500268EA 1998 5 15 98ZZZX1716 219980401G7314LW15473 PUMP PIPER PA32 PA32300 7103212SO LYC O540 IO540S1A5 41532EA ENGINE FUEL LOOSE D K NONE W INADEQUATE Q C ININSP/MAINT 1 AL0530004 327840120 RL2044548A UPON VISUAL INSPECTION OF NEWLY OVERHAULED ENGINE, FOUND ALL OF THE BOLTS SECURING THE BOTTOM DIAPHRAGM PLATE TO THE FUEL PUMP BODY WERE LOOSE, AT LEAST .0312 INCH OF SPACE COULD BE SEEN UNDER BOLT HEAD. THIS WAS A NEW PUMP INSTALLED BY ENGINE SHOP. SUBMITTER ADVISED INSPECTING EVEN NEW PARTS FOR DEFECT. 1L71 3O3 O A3SO 1E4 19980515002741998051500274SO 1998 5 15 98ZZZX1722 119980409G7430103572001E SWITCH PIPER PA28 PA28181 7102807SO LYC O360 O360* 41514EA IGNITION MALFUNCTIONED H K NONE O OTHER ININSP/MAINT 1 EA05814971926 288090227 SUBMITTER STATES AS A STANDARD PRACTICE AT RUN-UP, TEST IGNITION SWITCHES IN THE 'OFF' AND PAST 'OFF' POSITIONS AS STATED BY TCM AD 76-07-12 REGARDLESS OF WHETHER IT APPLIES OR NOT. THIS SWITCH DID NOT APPLY, YET FAILED THE PAST 'OFF' TEST. IT HAD A 4 NUMBER DATE CODE OF 8148 AND CAME OUT OF A 1980 AIRCRAFT. 1L71 3O3 O 2A13 E286 19980515002791998051500279GL 1998 5 15 98ZZZX1725 219980429G731047086 FILTER ALLSN 250C 250C20B 03013GL FUEL NOZZLE CONTAMINATED D K NONE O OTHER ININSP/MAINT 1 SW99 1270 AT17547 FOUND SOME CONTAMINATION ON FILTER WHERE SCREEN ATTACHES TO BASE. ALSO, BLACK PARTICULATES ON BASE FACING INLET OF FUEL. CONTAMINATION CLEANED BY ULTRASONIC METHOD GOOD. 3 U E4CE 19980515002801998051500280EA 1998 5 15 98ZZZX1726 219980428G72303033481 BEARING PWA PT6 PT6A34 52043EA ENGINE NR 1 DEFECTIVE B TQZRK NONE W INADEQUATE Q C ININSP/MAINT 1 SW17 BB977434 DURING COMPRESSOR BUILD-UP AND BALANCING OF ENGINE, A NEW NR 1 BEARING WAS PURCHASED FROM DALLAS AIRMOTIVE AND INSTALLED ON THE COMPRESSOR ROTOR ASSY. WHEN THE COMPRESSOR WAS 'SPUN UP' FOR BALANCING, A LOW RUMBLE/KNOCKING NOISE WAS DETECTED AND ISOLATED AS COMING FROM THE NR 1 BEARING. THE BEARING WAS REMOVED AND INSPECTED AND IT WAS NOTED THAT THE INNER RACE SHOWED THE BALLS WERE NOT TRACKING IN ONE PLANE, BUT WANDERED BACK AND FORTH ACROSS THE RACE. A SECOND NEW BEARING WAS PURCHASED FROM THE SAME SOURCE; INSTALLED AND RUN WITH EXACTLY THE SAME RESULTS. A THIRD NEW BEARING WAS PURCHASED, INSTALLED AND RUN...THIS TIME WITH SATISFACTORY RESULTS. 4 T E4EA 19980515002931998051500293EA 1998 5 15 98ZZZX1739 219980418G7414ES103571651 COIL BENDIX ENSTRMF28 F28A 3300406GL LYC O360 HIO360C1A 41514EA ENG LT MAG FAILED D K NONE R PARTIAL RPM/PWR LOSS ININSP/MAINT 1 NE0157SJ 550 278 L1238751A COMPLAINT WAS 'MISFIRE' AT CRUISE POWER. SYMPTOM WAS NOSE YAW AT ERRATIC INTERVALS. NORMAL PREFLIGHT RUN-UP CHECK SHOWED NO PROBLEM. MAGNETO CHECK AT HOVER POWER CAUSED ENGINE FAILURE WHEN 'LEFT' MAGNETO POSITION WAS SELECTED. RECORDS INDICATE THIS COIL HAS BEEN IN SERVICE AT LEAST SINCE ENGINE MAJOR OVERHAUL IN 1987. 1G71 3O3 O H1CE 1E10 19980515004351998051500435GL 1998 5 15 98ZZZX1740 219980424G72306890550 COMPRESSOR HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE FOD B LS1RK NONE K FLUID LOSS ININSP/MAINT 1 EA13369AW8878 470117D CAC33463 COMPRESSOR STALLING. FOUND 1ST STAGE BEARING LEAKING. APPEARS THAT COMPRESSOR HAD FOD. REMOVED FROM AIRCRAFT AND OVERHAULED COMPRESSOR INSTALLED. CONTROL NR 98-4-11. 1G71 3U3 U H3WE E4CE 19980515004961998051500496GL 1998 5 15 HAI00000002 219980508G753223005366 BLEED VALVE BELL 206 206L3 1182108SW ALLSN 250C 250C30P 03013GL ENGINE FAILED H K NONE O OTHER ININSP/MAINT 1 FS01899BH 51089 ENGINE FAILED POWER ASSURANCE CHECK DURING TEST FLIGHT FOLLOWING INSTALLATION OF ENGINE FOLLOWING EXTENDED MAINTENANCE INCLUDING BLEED VALVE OVERHAUL. INSTALLED REPLACEMENT OVERHAULED BLEED VALVE AND ENGINE TESTED AT +10% 1G71 3U3 U H2SW E1GL 19980515009431998051500943GL 1998 5 15 98ZZZX1788 219980401G72506851531 NOZZLE BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20 03013GL NR 4 CRACKED B TI1RK NONE O OTHER ININSP/MAINT 1 SW05911LF182 ER20738 S663 CRACKED DIAPHRAGM. REMOVED AND REPLACED. 1G72 3U3 U H3EU E4CE 19980515009441998051500944GL 1998 5 15 98ZZZX1789 219980401G72506878498 NOZZLE BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20 03013GL NR 2 FAILED B TI1RK NONE O OTHER ININSP/MAINT 1 SW05911LF182 X46696 S663 NR 1 BLADE PATH BREAKING OUT NOZZLE NR 2. REMOVED AND REPLACED. 1G72 3U3 U H3EU E4CE 19980515009751998051500975EU 1998 5 15 98ZZZX1820 119980327G733210593910 SWITCH BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL DIFF PRESS FAILED B TI1RK NONE W INADEQUATE Q C ININSP/MAINT 1 SW05 2201 DIFFERENTIAL PRESSURE SWITCH DEFECTIVE. INSTALLED ON AIRCRAFT AND DID NOT FUNCTION. REMOVED AND REPLACED. 1G72 3U3 U H3EU E4CE 19980515009771998051500977GL 1998 5 15 98ZZZX1822 219980330G732125490923 FUEL CONTROL SKRSKYS76 S76 8143010NE ALLSN 250C 250C30 03013GL ENGINE DEFECTIVE B TI1RK NONE W INADEQUATE Q C ININSP/MAINT 1 SW05 85140002 FUEL CONTROL OUT OF STOCK OVERHAUL. ENGINE WOULD NOT GO ABOVE 30 PERCENT OR 500 DEGREES CELSIUS. HANGS. REMOVED AND REPLACED. 1G72 3U3 U H1NE E1GL 19980522000301998052200030SO 1998 5 22 98ZZZX1852 219980430G732230764 FLOAT FACET 10396512 CESSNA180 180C 2072608CE CONT O470 O470L 17026SO CARBURETOR DETACHED B KZ3RK NONE K FLUID LOSS ININSP/MAINT 1 WP079208T925 H236694 50708 804379L4 WEAR WHERE CARBURETOR FLOAT NEEDLE RIDES. PIVOT POINT VERY LOOSE. FLOAT DETACHED. PRECISION HAS NEW FLOAT THAT IS COMPOSITE. THE ONLY INDICATION WAS THAT THE CARBURETOR WAS DRIPPING AFTER A FLIGHT. 1H71 3O3 O 5A6 E273 19980522000331998052200033EA 1998 5 22 98ZZZX1855 219980430G8520L18639 GEAR LOCKPLATE LW17281 PIPER PA44 PA44180 7104402SO LYC O360 O360A1H 41514EA CRANKSHAFT BROKEN B OG5RK NONE O OTHER ININSP/MAINT 1 GL21191ND2206 296 4495003 LW2269136A DURING SCHEDULED ENGINE INSPECTION, CRANKSHAFT LOCK TAB WAS FOUND IN THE OIL SUMP SCREEN. REMOVED SUMP AND ACCESSORY HOUSING TO VERIFY. TAB ON BOLT WAS CONFIRMED BROKEN. CRANKSHAFT GEAR BOLT WAS FOUND TO HAVE MINIMAL TORQUE REMAINING. (LESS THAN 100 INCH/POUND). NEW BOLT AND LOCKPLATE INSTALLED PER LYCOMING INSTRUCTIONS AND RE-ASSEMBLED ENGINE. ENGINE HAS 295.6 HOURS SINCE FACTORY OVERHAUL ON 10-21-97. 1L72 3O3 O A19S0 E286 19980522000371998052200037SO 1998 5 22 98ZZZX1859 219980401G8530626146 PISTON CESSNA175 175A 2072504CE CONT O300 GO300* 17022SO RING GROOVE CRACKED DS K NONE O OTHER ININSP/MAINT 1 NE036954E 680 56454 55048A AIRCRAFT WAS IN SHOP FOR ANNUAL INSPECTION, CHECKING COMPRESSIONS. FOUND 3 CYLINDERS WITH BELOW ACCEPTABLE COMPRESSION READINGS. PULLED CYLINDERS TO EXAMINE. FOUND BROKEN RINGS IN 2 CYLINDERS AND CRACKED PISTONS. DECISION WAS MADE TO REMOVE THE 3 OTHER ACCEPTABLE CYLINDERS. OUT OF 6 CYLINDERS, 5 PISTONS WERE CRACKED STARTING FROM AN OIL RETURN HOLE AT THE 4 RING GROOVE UP. OUT OF 5 PISTONS WITH CRACKS, 2 OUT OF 5 HAD BROKEN RINGS ALSO WHICH RENDERED THE BARRELS OF CYLINDERS UNSERVICEABLE AND SCRAP. 1H71 3O3 O 3A17 E298 19980522000391998052200039SO 1998 5 22 98ZZZX1861 219980411G8520626168 CONNECTING ROD CESSNA175 175 2072502CE CONT O300 GO300A 17022SO CYL NR 2 FAILED D O OTHER ERKVIBRATION/BUFFET PARTIAL RPM/PWR LOSS FLUID LOSS NRNOT REPORTED 1 SO067111M1233 55411 101631AR CONNECTING ROD BROKE AT PISTON PIN AREA. REMAINING POSTION OF ROD PUNCHED HOLE IN CRANKCASE, DAMAGED PISTON, AND RESULTED IN ENGINE SHUT DOWN. 1H71 3O3 ONT3A17 E298 19980522000401998052200040EA 1998 5 22 98ZZZX1862 219980429G8530SL10302A21P CYLINDER CESSNA150 152 2071835CE LYC O235 O235L2C 41505EA NR 1 VALVE SEAT DEFECTIVE D K NONE W INADEQUATE Q C ININSP/MAINT 1 SW99714TG 15279415 L1740815 INSTALLED NEW CYLINDER ASSEMBLIES. HAD NO COMPRESSION NR 1 CYLINDER. REMOVED, FOUND METAL CHIP UNDER VALVE. SUSPECT CAUSE - IMPROPER CLEANING PROCEDURE PRIOR TO ASSEMBLY. SUBMITTER RECOMMENDATION - MORE USEFUL INSPECTION (QC). 1H71 3O3 ONT3A19 E223 19980522000541998052200054NE 1998 5 22 98ZZZX1875 219980505G7250804131 CASE 804127 PWA JT8 JT8D217A 52053NE ENGINE CRACKED B RA1RK NONE O OTHER ININSP/MAINT 1 SW05 NX7298 717369 ENGINE REMOVED FROM SERVICE DUE TO TURBINE FAILURE. DISASSEMBLY REVEALED HPC AND TURBINE FAILURE DUE TO C-8 SHELF CRACK FAILURE. 4 F E9NE 19980522002311998052200231SO 1998 5 22 AU980334 219980123G8530643873 VALVE 653443A13 CESSNA182 182P 2075816CE CONT O470 O470R 17026SO ENGINE EXHAUST WORN W K NONE O OTHER ININSP/MAINT 1 AUS 222760 (AUS) ENGINE EXHAUST VALVES P/N 643873 (3 OFF) AND VALVE GUIDE P/N 643767 (1 OFF) WORN BEYOND LIMITS. CAM FOLLOWERS (5 OFF) P/N 646277 (EXHAUST) AND P/N 628488 (INLET) CORRODED ON FACE. PART TC: 171. 1H71 3O3 ONTTA13 E273 19980522002331998052200233NM 1998 5 22 AU980336 119980217G5755BN138 BRACKET 651734748 BOEING727 72777C 1380420NM PWA JT8 JT8D15 52051NE NR 2 SPOILER FAILED W K NONE F FLT CONT AFFECTED CRCRUISE 1 AUS 417 BN138 (AUS) LEFT NR 2 SPOILER ACTUATOR ATTACHMENT BRACKET FAILED. SUSPECT CAUSED BY INCORRECT RIGGING. 2L73 4F4 F A3WE E2EA 19980522002351998052200235SO 1998 5 22 AU980338 219980330G7320631329 HOUSING CESSNA210 210M 2073450CE CONT O520 IO520L 17032SO FUEL MANIFOLD DAMAGED W K NONE K FLUID LOSS ININSP/MAINT 1 AUS C029823CR (AUS) FUEL MANIFOLD VALVE HOUSING DAMAGED IN SEAL RETAINING AREA ALLOWING FUEL TO LEAK PAST THE SEAL. 1H71 3O3 O 3A21 E5CE 19980522002361998052200236NE 1998 5 22 AU980339 219980320G7250 LOCK BAG BAE146BAE146100A 1500260EU LYC ALF502ALF502R5 41580NE NR 2 ENGINE MISINSTALLED W A K NONE O OTHER ININSP/MAINT 1 AUS LF05156 (AUS) NR 2 ENGINE 4TH TURBINE RETAINING NUT SEPARATED DUE TO INCORRECT CRIMPING OF THE LOCKING CUP. PERSONNEL/MAINTENANCE ERROR. 2H74 4F4 FRTA49EU E6NE 19980522002381998052200238EU 1998 5 22 AU980341 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA LT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS L24482815 (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002391998052200239EU 1998 5 22 AU980342 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA RT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002401998052200240EU 1998 5 22 AU980343 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA LT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002411998052200241EU 1998 5 22 AU980344 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA RT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002431998052200243EU 1998 5 22 AU980346 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA RT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002441998052200244EU 1998 5 22 AU980347 119980320G3213 AXLE GROB G115 G115C 1660303EU LYC O235 O235H2C 41505EA LT MLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT MAIN LANDING GEAR AXLES CRACKED. 1L71 3O3 ONTA57EU E223 19980522002451998052200245EA 1998 5 22 AU980348 219980331G8530LW15314 INLET VALVE CESSNA172 172N 2072434CE LYC O320 O320H2AD 41508EA NR 2 CYL STICKING W K NONE E VIBRATION/BUFFET NRNOT REPORTED 1 AUS RL456276T (AUS) NR 2 CYLINDER INLET VALVE STICKING DUE TO CARBON BUILD-UP ON THE VALVE STEM. PUSHROD BENT. PART TC: 8,302. 1H71 3O3 ONT3A12 E274 19980522002461998052200246 1998 5 22 AU980349 119980318G7603115C7100 CABLE LYC O360 O360A1F6 41514EA POWER LEVER FAILED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ENGINE THROTTLE CABLE OUTER GUIDE TUBE SEPARATED FROM INNER CABLE AT ENGINE END. PART TC: 954. 3 O E286 19980522002471998052200247 1998 5 22 AU980350 119980326G716011159 CABLE LYC O360 O360A1F6 41514EA ENGINE AIR INTAKDISTORTED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) CARBURETOR HEAT CABLE THREADED SHAFT BENT. PART TC: 1,055. 3 O E286 19980522002481998052200248CE 1998 5 22 AU980351 119980324G32131241110200 BEARING CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO LT MLG TRUNNION FAILED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT MAIN LANDING GEAR AFT TRUNNION SPHERICAL BEARING OUTER RACE SHATTERED. INCORRECT BEARING FITTED. A BUSH SHOULD BE FITTED IN THIS AREA AND NOT A SPHERICAL BEARING. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART. 1H71 3O3 O 3A21 E5CE 19980522002491998052200249 1998 5 22 AU980352 119980326G7603115C7100 CABLE LYC O360 O360A1F6 41514EA POWER LEVER FAULTY W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ENGINE THROTTLE CABLE OUTER GUIDE TUBE SEPARATED FROM INNER CABLE AT ENGINE END. PART TC: 1,055. 3 O E286 19980522002511998052200251EU 1998 5 22 AU980354 119980330G3097 WIRE AIRBUS300 A300B4203 3930306EU GE CF6 CF650C2 30018NE WINDOW HEAT SHORTED W O OTHER B SMOKE/FUMES/ODORS/SPARKS CLCLIMB 1 AUS (AUS) FIRST OFFICER'S SLIDING WINDOW HEATER CABLE ARCED AND BURNING. 2L72 4F4 FRTA35EU E23EA 19980522002521998052200252EU 1998 5 22 AU980355 119980331G324648290 BEARING AIRBUS300 A300B4203 3930306EU GE CF6 CF650C2 30018NE NR 6 WHEEL FAILED W K NONE B SMOKE/FUMES/ODORS/SPARKS TXTAXI/GRND HDL 1 AUS (AUS) NR 6 WHEEL INNER BEARING COLLAPSED. DAMAGE CAUSED TO AXLE. PART TC: 227. 2L72 4F4 F A35EU E23EA 19980522002531998052200253NE 1998 5 22 AU980356 119980330G63207635109082 CHIP DETECTOR SKRSKYS76 S76C 8143008NE TMECA ARRIELARRIEL1S 60030NE M/R GEARBOX FAULTY W K NONE N FALSE WARNING LDLANDING 1 AUS A2310000T (AUS) MAIN GEARBOX LT CHIP DETECTOR FAULTY. 1G72 3U3 UNCH1NE E19EU 19980522002551998052200255CE 1998 5 22 AU980358 119980323G5312 BULKHEAD CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO BS 209 CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) FUSELAGE BULKHEAD LOCATED AT STN 209 CRACKED. BULKHEAD HAD BEEN INCORRECTLY REPAIRED PREVIOUSLY ALLOWING CRACKING AT HORIZONTAL STABILIZER ATTACHMENT POINTS. PERSONNEL/MAINTENANCE ERROR. 1H71 3O3 O 3A21 E5CE 19980522002561998052200256CE 1998 5 22 AU980359 119980324G273103103625 SCREW CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO ELEVATOR TAB DISTORTED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ELEVATOR TRIM ACTUATOR SCREW BENT. 1H71 3O3 O 3A21 E5CE 19980522002571998052200257CE 1998 5 22 AU980360 119980324G27311260759 CONTROL CABLE 12607510 CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO ELEVATOR TAB CORRODED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ELEVATOR TRIM CABLES P/N 126075-9 AND P/N 126075-10 CORRODED. 1H71 3O3 O 3A21 E5CE 19980522002581998052200258NM 1998 5 22 AU980361 119980402G3250 CAM PIPER PA60 PA60600A 7106002NM LYC O540 IO540K1J5 41532EA NLG STEERING INCORRECT FIT W K NONE O OTHER CLCLIMB 1 AUS (AUS) NOSE WHEEL CENTERING CAM INCORRECTLY INSTALLED PREVENTING CORRECT RETRACTION OF NOSE LANDING GEAR. PERSONNEL/MAINTENANCE ERROR. 1M72 3O3 ORTA17WE 1E4 19980522002601998052200260EU 1998 5 22 AU980363 119980326G5610CAP101018 WINDSHIELD MUDRY 10 CAP10B EU LYC O360 AEIO360B2F 41514EA COCKPIT CRACKED W K NONE O OTHER DEDESCENT 1 AUS (AUS) FORWARD WINDSCREEN CRACKED. CRACK ORIGINATED FROM A CRACK REPAIR CARRIED OUT IN JULY 1997. 1L71 3O3 O A36EU 1E10 19980522002611998052200261CE 1998 5 22 AU980364 119980225G261299120363 DETECTOR CESSNA500 500CESSNA 2076602CE PWA JT15 JT15D1 52060NE FIRE DETECTION BROKEN W K NONE N FALSE WARNING CRCRUISE 1 AUS (AUS) FIRE WIRE BROKEN GIVING FALSE FIRE INDICATION. 1L72 4F4 F A22CE E1NE 19980522002711998052200271SO 1998 5 22 AU980374 119980406G7120 MOUNT PIPER PA28 PA28161 7102803SO LYC O320 O320E3D 41508EA ENGINE MISINSTALLED W K NONE W INADEQUATE Q C ININSP/MAINT 1 AUS (AUS) BOTH LOWER RUBBER ENGINE MOUNTS FITTED THE WRONG WAY AROUND. PERSONNEL/MAINTENANCE ERROR. 1L71 3O3 O 2A13 E274 19980522002731998052200273SW 1998 5 22 AU980376 119980406G291027810322755 PIPE FRCHLDSA227 SA227DC 3377521SW GARRTTTPE331TPE33112UA 01514WP HYDRAULIC CRACKED W K NONE K FLUID LOSS CRCRUISE 1 AUS (AUS) HYDRAULIC PIPE CRACKED AND LEAKING AT FLARED END. 2L72 4T4 TRTA18SW E4WE 19980522002751998052200275EA 1998 5 22 AU980378 219980406G7320LW120980100 PIPE PIPER PA31 PA31 7103102SO LYC O540 TIO540A1A 41532EA RT ENG NR 4 INJ FRACTURED W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CLCLIMB 1 AUS 2132 L114761 (AUS) RT ENGINE NR 4 INJECTOR LINE FRACTURED ADJACENT TO THE INJECTOR NOZZLE. 1L72 3O3 O A20SO E14EA 19980522002761998052200276CE 1998 5 22 AU980379 119980317G243503600907 BEARING LEARSIEGLER BEECH 1900 1900C 1154161CE PWA PT6 PT6A65B 52043EA STARTER/GEN COLLAPSED W K NONE H ELECT. POWER LOSS-50 PC CLCLIMB 1 AUS 1356 (AUS) RT ENGINE STARTER/GENERATOR FORWARD BEARING COLLAPSED. PART TC: 1,010. 2L72 4T4 TRTA24CE E4EA 19980522002771998052200277SO 1998 5 22 AU980380 219980217G853021935 ROCKER ARM CESSNA172 172E 2072412CE CONT O300 O300C 17022SO NR 4 CYL INT VLVBROKEN W K NONE EF VIBRATION/BUFFET FLT CONT AFFECTED CRCRUISE 1 AUS 21935 (AUS) NR 4 CYLINDER INLET VALVE ROCKER ARM BROKEN AND PUSHROD BENT. PART TC: 3,090. 1H71 3O3 ONT3A12 E253 19980522002791998052200279GL 1998 5 22 AU980382 119980408G6220281432015 BEARING ENSTRMF28 280C 3300505GL LYC O360 HIO360E1AD 41514EA MAIN ROTOR HEAD FAILED W K NONE O OTHER CRCRUISE 1 AUS L1723151A (AUS) MAIN ROTOR HUB `LAMAFLEX' BEARING FAILED IN-FLIGHT. 1G71 3O3 O H1CE 1E10 19980522002811998052200281NM 1998 5 22 AU980384 119980404G32304500221 SHAFT PIPER PA60 PA60600 7106001NM LYC O540 IO540K1J5 41532EA NLG CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) NOSE LANDING GEAR PIVOT SHAFT CRACKED. PART TC: 5,760. 1M72 3O3 ORTA17WE 1E4 19980522002821998052200282EA 1998 5 22 AU980385 219980318G8530LW12425 VALVE GUIDE LW12425 PIPER PA23 PA23250 7102308SO LYC O540 IO540C4B5 41532EA ENG INLET LOOSE W K NONE O OTHER ININSP/MAINT 1 AUS ECNZ102921 L1405448A (AUS) ENGINE INLET VALVE GUIDE FOUND LOOSE IN HEAD. 1L72 3O3 O 1A10 1E4 19980522002831998052200283EA 1998 5 22 AU980386 219980403G853025288 POST 72242 PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA NR 3 CYL EXH VLVBROKEN W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS TOTAKEOFF 1 AUS 1776 25288 L538261A (AUS) NR 3 CYLINDER EXHAUST VALVE ROCKER POST FAILED. 1L72 3O3 O A20SO E14EA 19980522002841998052200284CE 1998 5 22 AU980387 119980407G2460CM358950 CIRCUIT BREAKER CESSNA402 402C 207590RCE CONT O520 TSIO520VB 17040SO DC POWER DISTRIBFAILED W K NONE B SMOKE/FUMES/ODORS/SPARKS NRNOT REPORTED 1 AUS (AUS) AVIONICS CIRCUIT BREAKER SWITCH SMOKING. 1L72 3O3 O A7CE E8CE 19980522002861998052200286 1998 5 22 AU980389 419980331G6122210681 CSU WOODWARD 210681 SOCATATB20 TB20TRINIDAD8680695EU LYC O540 IO540C4D5 41532EA HARTZLHCC2Y HCC2YK1 GL PROP GOV DAMAGED W K NONE K FLUID LOSS ININSP/MAINT 1 AUS 1481 1993841 (AUS) PROPELLER CSU LEAKING OIL. INVESTIGATION FOUND THAT THE LOWER ENGINE COWL HAD WORN THROUGH THE CSU LOWER BODY. 1L71 3O3 ORTA51EU 1E4 5 CP920 19980522002891998052200289CE 1998 5 22 AU980392 119980201G551112326241 STRUCTURE CESSNA210 T210M 2073451CE CONT O520 TSIO520H 17040SO HORIZONTAL STAB MISINSTALLED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) HORIZONTAL STABILIZER SPAR CAP CRACKED IN AREA OF THE LOWER REAR MOUNT BOLT HOLES. CRACK LENGTHS 12.7MM (0.5 INCH). INVESTIGATION FOUND NEW PN 1232624-1 REINFORCEMENTS (SE 84-17) HAD BEEN FITTED IN AMERICA (29JUL84), BUT HAD BEEN INSTALLED UPSIDE DOWN LEAVING THE LOWER SPAR CAP UNSUPPORTED AROUND THE BOLT HOLES. PERSONNEL/MAINTENANCE ERROR. 1H71 3O3 O 3A21 E8CE 19980522002901998052200290EA 1998 5 22 AU980393 219980226G8530ECNZ9230F SPARK PLUG 76190 GULSTM500 500S 0141107SW LYC O540 IO540E1B5 41532EA LT ENG SEPARATED W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS TXTAXI/GRND HDL 1 AUS ECNZ9230F L1373648 (AUS) LT ENGINE POWER DOWN DURING PRE TAKE-OFF CHECKS. INVESTIGATION FOUND NR 4 CYLINDER UPPER SPARK PLUG HAD SEPARATED FROM THECYLINDER. CAUSE APPEARS TO BE FROM EROSION OF THE SPARK PLUG HOLE UNDER THE HELICOIL. SUSPECT FROM A VOID FORMED WHEN WELD REPAIRS WERE CARRIED OUT. 1H72 3O3 O 6A1 1E4 19980522002911998052200291EA 1998 5 22 AU980394 219980326G8520L3256836A CRANKCASE LYC O360 O360A4M 41514EA ENGINE DEFECTIVE W K NONE O OTHER ININSP/MAINT 1 AUS L3256836A L3256836A (AUS) ENGINE CRANKCASE TUNNEL MEASUREMENTS OUT OF LIMITS. 3 O E286 19980522002961998052200296WP 1998 5 22 AU980399 219980404G732289778021 FCU WOODWARD 89778021 GARRTTTPE331TPE33110U 01514WP RT ENGINE MALFUNCTIONED W K NONE EX VIBRATION/BUFFET ENGINE FLAMEOUT LDLANDING 1 AUS 2123540 (AUS) RIGHT ENGINE FUEL CONTROL UNIT (FCU) FAULTY. 4 T E4WE 19980522002981998052200298SO 1998 5 22 AU980401 119980319G81204091709001 COMPRESSOR BLADEGARRTT 4091709001 PIPER PA31 PA31350 7103110SO LYC O540 LTIO540J2BD 41533EA EXHAUST TURBO ERODED W K NONE O OTHER ININSP/MAINT 1 AUS 595 IK0159 L42868A (AUS) TURBOCHARGER COMPRESSOR BLADE LEADING EDGES SEVERELY ERODED. DURING INVESTIGATION, AN AN363C-362 NUT WITH THE REMAINS OF A SCREW STILL ATTACHED WAS FOUND ON THE TOP OF THE INDUCTION AIR FILTER BETWEEN THE FILTER AND THE TURBOCHARGER. 1L72 3O3 O A20SO E14EA 19980522002991998052200299SO 1998 5 22 AU980402 219980324G8530646286 VALVE 639272PO10 CESSNA210 T210L 2073449CE CONT O520 TSIO520H 17040SO ENG EXH WORN W K NONE O OTHER ININSP/MAINT 1 AUS 304 BT8458846084 506872 (AUS) THREE ENGINE CYLINDERS REMOVED DUE TO LOW COMPRESSION. ALL EXHAUST VALVES PN 646286 AND VALVE GUIDES PN 636242 WERE FOUND TO BE WORN BEYOND LIMITS WITH 0.508MM (.020 INCH), 1.016MM (.041 INCH) AND 1.168MM (.046 INCH) CLEARANCES. 1H71 3O3 O 3A21 E8CE 19980522003011998052200301EA 1998 5 22 AU980404 219980416G8530LW11633 CYLINDER PIPER PA38 PA38112 7103812SO LYC O235 O235L2C 41505EA HEAD/BARREL CRACKED W K NONE K FLUID LOSS ININSP/MAINT 1 AUS 385 L1741215 (AUS) ENGINE CYLINDER LEAKING OIL AT BARREL TO HEAD JOINT AND BETWEEN FIRST AND SECOND BOTTOM FINS ON BARREL AREAS. CYLINDER WAS REMOVED AND A PENETRANT CHECK FOUND A CRACK 40MM (1.57 INCH) IN LENGTH (INSIDE) AT THE BARREL TO HEAD JOINT. PART TC: 1,327. 1L71 3O3 O A18SO E223 19980522003051998052200305CE 1998 5 22 AU980408 119980220G531205121871 BULKHEAD 05121872 CESSNA172 172P 2072436CE LYC O320 O320D2G 41508EA LT RT DOOR POST CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LT AND RT LOWER AFT DOOR POST BULKHEADS (PN 0512187-1 LT AND PN 0512187-2 RT) CRACKED. FOUND DURING INSPECTION IAW SB SEB 97-1. PART TC: 5,920. 1H71 3O3 ONT3A12 E274 19980522003081998052200308SO 1998 5 22 AU980411 119980326G2436 DIODE GULSTMAA5 AA5B 3960105SO LYC O360 O360A4K 41514EA DC REGULATOR FAILED W K NONE H ELECT. POWER LOSS-50 PC CRCRUISE 1 AUS (AUS) DURING CRUISE, THE 'OVER-VOLTAGE' PROTECTION ZENER DIODE FAILED, CAUSING EXTENSIVE FAILURE OF ELECTRICAL AND AVIONICS EQUIPMENT. 1L71 3O3 O A16EA E286 19980522003111998052200311CE 1998 5 22 AU980414 119980218G7820 PIPE BEECH 58 58 1152740CE CONT O520 IO520C 17032SO ENGINE EXH BULGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) ENGINE EXHAUST PIPES (BOTH ENGINES) HAVE SEVERE BULGING. THREE OF THE FOUR PIPES HAVE IMPROPER PREVIOUS REPAIRS. 1L72 3O3 O 3A16 E5CE 19980522003121998052200312CE 1998 5 22 AU980416 119980218G32303581512512 TUBE BEECH 58 58 1152740CE CONT O520 IO520C 17032SO LANDING GEAR RETDAMAGED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) LEFT LANDING GEAR DRIVE TUBE CREASED AT INBOARD FITTING (GEARBOX END). THE CREASE WAS RUSTED AND APPEARS TO HAVE BEEN DAMAGED SOME TIME AGO AND WAS CLOSE TO FAILURE. 1L72 3O3 O 3A16 E5CE 19980522003131998052200313CE 1998 5 22 AU980417 119980218G2710 CONTROL ARM BEECH 58 58 1152740CE CONT O520 IO520C 17032SO AILERON CONTROL MISRIGGED W K NONE W INADEQUATE Q C ININSP/MAINT 1 AUS (AUS) AILERON CONTROL SYSTEM RIGGED INCORRECTLY. THE AILERON BELLCRANKS WERE NOT HITTING THE STOPS AND THE AILERONS WERE SHORT OF TRAVEL BY FIVE DEGREES. PERSONNEL/MAINTENANCE ERROR. 1L72 3O3 O 3A16 E5CE 19980522003141998052200314NM 1998 5 22 AU980418 119980331G2910D10010D06 PIPE DHAV DHC8 DHC8102 2809003NM PWA 120 PW120A NE HYDRAULIC SYS CRACKED W K NONE OK OTHER FLUID LOSS ININSP/MAINT 1 AUS (AUS) HYDRAULIC LINE PERMASWAGE FITTING BROKEN. THE COLLAR HAD CRACKED AND BROKEN APPROXIMATELY 4.76MM (0.1875 INCH) BELOW NUT. 2H72 4T4 TRTA13NM E20NE 19980522003151998052200315NE 1998 5 22 AU980419 219980404G7261 CHIP DETECTOR CFMINTCFM56 CFM565A1 NE ENG SCAV CONTAMINATED W K NONE O OTHER ININSP/MAINT 1 AUS 731139 (AUS) REAR SCAVENGE CHIP DETECTOR FOUND WITH SIGNIFICANT `M50' METAL DEBRIS. 4 F E29NE 19980522003171998052200317CE 1998 5 22 AU980422 119980409G5312 BULKHEAD CESSNA310 310L 2074230CE CONT O470 IO470U 17026SO FWD FUSELAGE CRACKED W K NONE O OTHER ININSP/MAINT 1 AUS (AUS) FORWARD FUSELAGE BULKHEAD AND BRACKET AT LOCATED AT STN 27.25 CRACKED. BULKHEAD SUPPORTS THE PULLEYS FOR THE NOSE WHEEL STEERING CABLE. PART TC: 6,445. 1L72 3O3 O 3A10 3E1 19980522003191998052200319CE 1998 5 22 AU980424 119980417G3260 SWITCH BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA HARTZLHCB3T HCB3TN3 GL RT MLG UP OUT OF ADJUST W K NONE ON OTHER FALSE WARNING CLCLIMB 1 AUS (AUS) RIGHT MAIN LANDING GEAR `UP' POSITION MICROSWITCH OUT OF ADJUSTMENT. 1L72 4T4 T A24CE E4EA 6 CP15EA 19980522003211998052200321CE 1998 5 22 AU980427 119980324G3300 LIGHT CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO LIGHTING SYSTEM INOPERATIVE W K NONE L NO TEST ININSP/MAINT 1 AUS (AUS) ROTATING BEACON, LANDING LIGHT, TAXI LIGHT AND PANEL LIGHTING INOPERATIVE. PERSONNEL/MAINTENANCE ERROR. 1H71 3O3 O 3A21 E5CE 19980522003221998052200322SO 1998 5 22 AU980428 219980324G7310 FITTING CESSNA210 210K 2073446CE CONT O520 IO520L 17032SO ENGINE FUEL DISTWORN W K NONE K FLUID LOSS ININSP/MAINT 1 AUS (AUS) FUEL PRESSURE FITTING ON ENGINE FUEL PUMP CHAFED THROUGH. 1H71 3O3 O 3A21 E5CE 19980522003281998052200328SW 1998 5 22 AU980437 119980423G63202060400203 GEAR JR3TYPE BELL 206 206B3 1181506SW ALLSN 250C 250C20B 03013GL M/R GEARBOX PITTED W K NONE O OTHER ININSP/MAINT 1 AUS 380 BKW11302 CAE831527 (AUS) DURING A SCHEDULED INSPECTION, METAL WAS FOUND ON THE M/R TRANSMISSION'S CHIP DETECTORS. ON TEAR DOWN INSPECTION, THE TRANSMISSION'S INPUT GEAR SHAFT WHICH FORMS THE INNER BEARING SURFACE FOR BEARING PN 206-040-031-107 RACE WAS FOUND TO HAVE SEVERE BRINELLING AND DESTRUCTIVE PITTING. PART TC: 7,037. 1G71 3U3 U H2SW E4CE 19980522003291998052200329NE 1998 5 22 AU980438 219980408G7230 FAN BLADE CFMINTCFM56 CFM565A1 NE TURBINE ENGINE BIRD STRIKE W K NONE EC VIBRATION/BUFFET F.O.D. TOTAKEOFF 1 AUS 731158 (AUS) RIGHT ENGINE BIRD STRIKE. BORESCOPE INSPECTION FOUND DAMAGE TO EIGHT FAN BLADES, OUTLET GUIDE VANES, AND ACOUSTIC LINERS. 4 F E29NE 19980522003301998052200330NE 1998 5 22 AU980439 219980330G7322A5435ANSETTSN0 FCU BAG BAE146BAE146200A 1500266EU LYC ALF502ALF502R5 41580NE NR 1 ENG FAULTY W K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS DEDESCENT 1 AUS 277 A5435ANSETTS LF05859A (AUS) NR 1 ENGINE FUEL CONTROL UNIT FAULTY. PART TC: 27,087. 2H74 4F4 FRTA49EU E6NE 19980522003311998052200331NE 1998 5 22 AU980440 219980417G7200 ENGINE BAG BAE146BAE146200A 1500266EU LYC ALF502ALF502R5 41580NE ENGINE NR 2 MAKING METAL W K NONE OR OTHER PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 AUS LF05880A (AUS) NR 2 ENGINE OIL FILTERS FULL OF METAL. 2H74 4F4 FRTA49EU E6NE 19980522003361998052200336SO 1998 5 22 AU980445 119980326G3213025992 TRUNNION PIPER PA44 PA44180 7104402SO LYC O360 O360E1A6 41514EA HARTZLHCC2Y HCC2YR2 GL RT MLG FAILED W K NONE O OTHER LDLANDING 1 AUS (AUS) RIGHT MAIN LANDING GEAR TRUNNION HOUSING SHEARED IN AREA JUST BELOW THE PIVOT BEARING. LANDING GEAR COLLAPSED DURING LANDING. THE PROPELLER CONTACTED THE GROUND CAUSING THE ENGINE TO STOP. 1L72 3O3 O A19S0 E286 5 CP920 19980522003371998052200337SO 1998 5 22 AU980446 119980422G5210 DOOR EMB 120 EMB120 3260201SO PWA 118 PW118A NE FWD ENTRY NOT CLOSED W K NONE OJ OTHER WARNING INDICATION CLCLIMB 1 AUS (AUS) FORWARD ENTRY DOOR INCORRECTLY CLOSED DUE TO DOOR ALIGNMENT MARKS BEING WORN OFF. 2L72 4T4 TRTA31SO E20NE 19980522003401998052200340 1998 5 22 AU980449 119980402G7120DC0051 MOUNT ROTAX 912 ROTAX912 55555EU LT RT ENG CHAFED W K NONE O OTHER ININSP/MAINT 1 AUS 050 (AUS) LEFT AND RIGHT ENGINE MOUNT FRAMES WORN BY CARBURETOR INLET SCAT HOSE IN FOUR AREAS PROTECTED BY SPIRAP. AREAS AFFECTED ARE 12.7MM WIDE BY 0.794MM DEEP (0.5 INCH WIDE BY 0.0312 INCH DEEP). PART TC: 199. 3 I EXPE3I 19980522003411998052200341CE 1998 5 22 AU980450 119980418G243523078019 STARTER/GEN BEECH 1900 1900D 1154162CE PWA PT6 PT6A67R 52043NE LT ENGINE FIRE W K NONE HB ELECT. POWER LOSS-50 PC SMOKE/FUMES/ODORS/SPARKS TOTAKEOFF 1 AUS 355 (AUS) LEFT STARTER/GENERATOR FAULTY. FLAMES SEEN EXITING THE UNIT. 2L72 4T4 TRTA24CE E26NE 19980522003481998052200348NM 1998 5 22 AU980457 119980224G7830P8077SPECNO60B GEARBOX BOEING747 747312 1384932NM PWA JT9 JT9D7R4G2 52054NE THRUST REVERSER JAMMED W K NONE J WARNING INDICATION LDLANDING 1 AUS P8077SPECNO6 P715100 (AUS) AFTER LANDING, THE NR 2 ENGINE THRUST REVERSER FAILED TO STOW. GROUND INVESTIGATION FOUND THE THRUST REVERSER'S NR 3 GEARBOX JAMMED AND DAMAGED. 2L74 4F4 FRTA20WE E3NE 19980522003521998052200352CE 1998 5 22 AU980462 119980227G7931 LINE CESSNA310 310L 2074230CE CONT O470 IO470* 17026SO ENGINE OIL PRESSSLUDGED W K NONE O OTHER CRCRUISE 1 AUS (AUS) DURING FLIGHT, THE RT ENGINE GAUGE DISPLAYED LOW OIL PRESSURE. ENGINE GROUND RUN WITH A CALIBRATED OIL PRESSURE GAUGE PLUMBED INTO SYSTEM WAS CARRIED OUT WITH NO FAULT FOUND. SUSPECTING IT COULD HAVE BEEN A SLUDGE PROBLEM IN THE PRESSURE LINE BETWEEN THE GAUGE AND ENGINE, THE LINE WAS PURGED AND REFILLED WITH CLEAN OIL. 1L72 3O3 O 3A10 E1CE 19980522006001998052200600GL 1998 5 22 98ZZZX1893 219980501G731047086 FILTER 6890917 ALLSN 250C 250C20B 03013GL FUEL NOZZLE DIRTY D K NONE O OTHER ININSP/MAINT 1 WP23 1YF03504 CAT24382 FOUND SOME CONTAMINATION AT BASE OF FILTER SCREEN WHERE IT IS BRAZED TO MOUNTING BASE. ABOUT 5 PERCENT OF FILTER CLOGGED WITH LIGHT TAN TO WHITE FLAKES AND FIBEROUS SUBSTANCE SLIGHTELY LARGER THAN SCREEN MESH. 3 U E4CE 19980522006221998052200622GL 1998 5 22 98ZZZX1916 219980417G7414 DRIVE COUPLER AMTR SONERISONERAI2 GL AMTRVWVOLKS VW2200VOLKS GL MAGNETO FAILED H A UNSCHED LANDING Y ENGINE STOPPAGE NRNOT REPORTED 1 GL03247RJ180 999 ALUMINUM MAGNETO DRIVE COUPLER FRACTURED CAUSING ENGINE STOPPAGE IN-FLIGHT. PART USED IN EXPERIMENTAL AIRCRAFT FOUND TO HAVE AN APPROX 200 HOUR USE. RECOMMEND REMOVING ALL IN SERVICE AND REPLACE WITH THOSE MADE FROM PHENOLIC OR MICARTA (NOT SURE WHICH MATERIAL NOW BEING USED BY GREAT PLAINS AIRCRAFT, NEBRASKA). DID FIND OUT THE PART MUST NOT BE MADE FROM ROUND STOCK (DUE TO GRAIN), BUT CUT AND SHAPED FROM FLAT STOCK. 1M71 3O3 O EXPA1M71EXP3O 19980522006261998052200626SO 1998 5 22 98ZZZX1920 219980402G8530 VALVE CESSNA150 150J 2071820CE CONT O200 O200A 17020SO NR 4 CYL INTAKE FAILED D A UNSCHED LANDING R PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 GL11390DM 15070334 20590370A AIRCRAFT WAS ON A TRAINING FLIGHT WHEN POWER WAS LOST, WITH 1500 RPM BEING MAXIMUM AVAILABLE. A SAFE LANDING WAS MADE ON A COUNTY STONE ROAD. INVESTIGATION REVEALED THE INTAKE VALVE STEM HAD BROKEN AT THE BOTTOM OF VALVE KEEPER RECESS. KEEPER AND TOP OF STEM WERE STILL IN PLACE ON TOP OF SPRING UNDER ROCKER ARM. VALVE DAMAGED NR 4 CYLINDER AND PISTON. VALVE HEAD BROKE OFF, WENT THROUGH INTAKE AND DAMAGED NR 1 CYLINDER. CYLINDER HAD 400 HOURS SINCE LIMITED MAINTENANCE RELEASE WITH EXHAUST GUIDE BEING REPLACED. 1H71 3O3 O 3A19 E252 19980529000591998052900059GL 1998 5 29 98ZZZX1935 219980501G732223051985 FUEL CONTROL BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL ENGINE DEFECTIVE B AC2RK NONE O OTHER ININSP/MAINT 1 SW038776 2052 85470185 S776 DURING VISUAL INSPECTION OF FUEL CONTROL DURING ENGINE BUILD-UP, FOUND FUEL CONTROL DRIVE SHAFT BEARING MAKING NOISE WHEN ROTATED BY HAND, AND HAD SLIGHT RADIAL PLAY AND ROUGH FEEL WHEN SIDE LOAD WAS APPLIED AND ROTATED. SENT IN FOR REPAIR. 1G72 3U3 U H3EU E4CE 19980529000601998052900060GL 1998 5 29 98ZZZX1936 219980501G732323057269 GOVERNOR BELL 206 206B 1181511SW ALLSN 250C 250C20 03013GL ENGINE FAILED B AC2RK NONE O OTHER ININSP/MAINT 1 SW0321460 1369 85520222 4075 ROTOR SPEED NR DROOPING TO 95 PERCENT AND WOULD NOT RECOVER. GOVERNOR WAS REPLACED WITH SERVICEABLE UNIT AND DROOP DID NOT RECUR. 1G71 3U3 U H2SW E4CE 19980529002381998052900238EA 1998 5 29 98ZZZX1979 219980505G7414M3975 COIL SLICK 4371 CESSNA172 172M 2072418CE LYC O320 O320E2D 41508EA MAGNETO OPEN D K NONE O OTHER ININSP/MAINT 1 EA096814H1100 052394 17265594 4254527A DURING A ROUTINE 500-HOUR INSPECTION ON THE MAGNETOS, FOUND THE COIL SECONDARY RESISTANCE OUT OF LIMITS: THE CIRCUIT WAS OPEN. 1H71 3O3 ONT3A12 E274 19980529003831998052900383GL 1998 5 29 98ZZZX1981 219980512G731047086 FILTER 6890917 BELL 206 206B 1181511SW ALLSN 250C 250C20 03013GL FUEL NOZZLE CONTAMINATED B HEFRK NONE O OTHER ININSP/MAINT 1 WP2190215 1698 DISCOVERED AT CLEAN AND FLOW CHECK. ITEM 1700-2000 TBO. CONTAMINATION OF FUEL NOZZLE FILTER. 1G71 3U3 U H2SW E4CE 19980529004071998052900407WP 1998 5 29 98ZZZX2002 219980515G732121011445 EEC AMD FALC50FALCON50MYST2730106EU GARRTTTFE731TFE7313 01518WP ENGINE FAILED D K NONE O OTHER ININSP/MAINT 1 WP23XAAVE 843640 022 P76193 AFTER BENCH ADJUSTMENT OF EEC, EEC WAS INSTALLED IN ACFT. DURING START OF ENGINE, EEC TRIPPED TO MANUAL MODE AND UNABLE TO RESET. AFTER EXTENSIVE T/S, DETERMINED EEC WAS UNSERVICEABLE. A REVIEW OF TEAR DOWN/REPAIR REPORT REVEALED EEC REMOVED FROM SERVICE FOR THE SAME FAILURE. FAA FORM 8130-3 STATED INSP ONLY. EEC RETURNED TO ALLIED SIGNAL FOR WARRANTY CONSIDERATION. THIS WAS SECOND EEC THAT FAILED WHILE CORRECTING A SQUAWK DURING THE SAME MAINT VISIT BY CUSTOMER. THE FIRST FAILED EEC WAS REPORTED ON A SEPARATE M OR D REPORT. 2L73 4F4 F A46EU E6WE 19980529004081998052900408WP 1998 5 29 98ZZZX2003 219980515G7200 ENGINE AMD FALC10FALCON10 2730101EU GARRTTTFE731TFE7312 01518WP NR 2 FAILED B AYL1REA ENGINE SHUTDOWN UNSCHED LANDING E VIBRATION/BUFFET CRCRUISE 1 SW1142EH 7926 220 28 P73180C THE CREW INDICATED THEY WERE AT CRUISE ALTITUDE WHEN A VIBRATION WAS FELT AND AIRCRAFT YAWED. NR 2 ENGINE READINGS WERE BAD AND THE ENGINE WAS SHUT DOWN. THE CREW DIVERTED TO LITTLE ROCK, ARK AND LANDED AIRCRAFT SAFELY. THE ACFT WAS BROUGHT TO DASSAULT FALCON JET CORP FOR INSPECTION. ENGINE APPEARS TO HAVE HAD AN INTERNAL FAILURE. ENGINE WAS REMOVED AND SENT TO ALLIANCE ENGINE INC. SUSPECT TURBINE BLADE FAILURE. 2L72 4F4 F A33EU E6WE 19980529004131998052900413EA 1998 5 29 98ZZZX2008 219980519G72503001538 LOCK 3011438 BEECH 100 A100 1152915CE PWA PT6 PT6A28 EA CT VANE RING MISINSTALLED DSA K NONE W INADEQUATE Q C ININSP/MAINT 1 SW0996AU B162 PCE50443 REMOVED RIGHT ENGINE POWER SECTION FOR ACCESS TO PERFORM SCHEDULED HOT SECTION INSPECTION. UPON DISASSEMBLY, DISCOVERED TAB WASHERS (16 EACH) WERE NOT BENT TO THE SAFETY POSITION. THESE WASHERS SAFETY THE BOLTS THAT RETAIN THE CT VANE RING AND NR 2 BEARING COVER. ENGINE LOG BOOK DID NOT REVEAL ANY MAINTENANCE IN THIS PART OF THE ENGINE SINCE OVERHAUL BY THE MANUFACTURER. SUSPECT CAUSE: MISSED AT QUALITY CONTROL INSPECTION AT OVERHAUL FACILITY. 1L72 3T4 T A14CE E4EA 19980605000061998060500006GL 1998 6 5 98ZZZX2014 219980324G724023030911 COMBUSTION CASE BELL 407 407 SW ALLSN 250C 250C47B GL FUEL NOZZLE CRACKED D A K NONE O OTHER ININSP/MAINT 1 WP0158236821 53069 CAE847085 HIGHER THAN NORMAL MGT INDICATION BY PILOT WAS REPORTED. INSPECTED AND PERFORMED TEST OF MEASURED GAS TEMPERATURE SYSTEM. NO ANOMALLY OBSERVED. UPON FURTHER INSPECTION FOUND SEAM WELDS AROUND FUEL NOZZLE BOSS CRACKED ALLOWING COOLING AIR TO ESCAPE. 1G71 3U3 UO H2SW E1GL 19980605000201998060500020EA 1998 6 5 98ZZZX2028 219980503G8530AL14077 PISTON PIN LYC O360 IO360A3B6 41514EA NR 4 CYLINDER FAILED D K NONE O OTHER ININSP/MAINT 1 SW99 L2536451A WHILE C/W DIFFERENTIAL COMPRESSION CHECK FOUND BLOW-BY ON THE NR 4 CYLINDER PRESSURIZING THE CRANKCASE, AIR COMING OUT OF THE OIL FILLER TUBE. UPON NR 4 CYLINDER REMOVAL, FOUND ONE PISTON PIN PLUG WORN AWAY. CYLINDER WAS WORN WHERE THE PISTON PIN WAS MAKING CONTACT WITH THE CYLINDER WALL. REMOVED OIL FILTER AND FOUND METAL CONTAMINATION. REMOVED FINGER SCREEN AND FOUND ALUMINUM SLIVERS AND SCRAPINGS. 3 O 1E10 19980605000211998060500021NE 1998 6 5 98ZZZX2029 219980430G7230717623 HUB PWA JT8 JT8* 52044NE ENGINE HPC MISDRILLED B RA1RK NONE W INADEQUATE Q C ININSP/MAINT 1 SW05 9S4137 HIGH COMPRESSOR REAR HUB WAS RECEIVED WITH SB 4070 HOLES NOT PROPERLY LOCATED. THE HUB BORE SHOULD HAVE BEEN SCALLOPED, BUT THE HOLES WERE LOCATED ON THE BALANCE FLANGE AND THE DISK WAS DRILLED COMPLETELY THROUGH. THE OVERHAUL AGENCY WAS FENIX AVIATION CORP., MIAMI, FLORIDA 33142. 4 F E2EA 19980605000221998060500022GL 1998 6 5 UTVR98001 219980423G7250 BEARING BELL 206 206L3 1182108SW ALLSN 250C 250C30P 03013GL GP NR 8 FAILED B UTVRK NONE O OTHER ININSP/MAINT 1 WP09791CA 51455 CAE895523 AFTER CAREFUL INSPECTION OF THE GP TURBINE AND RELATED COMPONENTS, OBSERVED THE NR 8 BEARING HAD CATASTROPHICALLY FAILED CAUSING THE CHIP DETECTOR IN THE COCKPIT TO INDICATE. THE AIRCRAFT WAS IMMEDIATELY GROUNDED. THE SUBSEQUENT INSPECTION REVEALED NO TELLTALE SIGNS OF THE CAUSE OF THE BEARING FAILURE. ALL OIL LINES WERE TESTED AND FOUND FREE OF OBSTRUCTIONS. ALL RELATED COMPONENTS AND SYSTEMS DID NOT SHOW SIGNS OF FAILURE, PREMATURE WEAR, OR ABNORMAL STRESSES. SUBMITTER'S OPINION IS THE NR 8 BEARING HAD INHERENT UNDETECTABLE DEFECTS WHICH RESULTED IN THE FAILURE. 1G71 3U3 U H2SW E1GL 19980605000241998060500024EA 1998 6 5 98ZZZX2031 219980511G853075838 VALVE GUIDE HUGHES269 269C 4470504WP LYC O360 HIO360D1A 41514EA NR 3-4 EXHAUST DEFECTIVE B AOG5RK NONE E VIBRATION/BUFFET ININSP/MAINT 1 GL21557DC108 S1630 L2466851A DURING PRE-TAKEOFF RUNUP, ENGINE STARTED VIBRATING AT MID-RPM RANGE AND WOULD NOT ACCELERATE. FOUND NR 3 AND NR 4 EXHAUST VALVES STICKING. REAMED GUIDES TO PROPER DIMENSION. ENGINE HAS 107.6 HOURS SINCE FACTORY OVERHAUL. THIS OPERATOR HAS HAD NUMEROUS LOW TIME ENGINES WITH THIS PROBLEM. AIRCRAFT HAVE DASH 10 FUEL INJECTORS AND RUN ON 15W50 OIL AND ALSO RECEIVE PROPER COOL DOWN. 1G71 3O3 O 4H12 1E10 19980605000251998060500025SO 1998 6 5 98ZZZX2033 219980220G8550629218 DRIVEN GEAR CESSNA421 421C 2076016CE CONT O520 GTSIO520N 17032SO OIL PUMP SEIZED D O OTHER JR WARNING INDICATION PARTIAL RPM/PWR LOSS CRCRUISE 1 WP09745CA 156 421C1043 610040 PILOT REPORTED YAW IN AIRCRAFT AND APPARENT LOSS OF POWER ON LT ENGINE (LOW RPM AND MAP). PILOT EXERCISED EMERGENCY PROCEDURES TO RESTORE POWER, BUT WAS UNSUCCESSFUL AND THE ENG WAS SHUT DOWN IN-FLIGHT. PROP WAS ALREADY IN FEATHER POSITION WHICH WOULD INDICATE LOSS OF OIL PRESSURE. INSPECTION REVEALED THE OIL PUMP DRIVE GEAR ASSY SHAFT HAD SHEARED AT POINT OF ENGAGEMENT TO THE CAMSHAFT GEAR RESULTING IN LOSS OF TACH INDICATION AND OIL PRESS. FURTHER INSP OF OIL PUMP ASSY REVEALED SEVERE DRIVEN GEAR SHAFT AND BUSHING WEAR WITH HOUSING SIDE WALL WEAR. BUSHINGS AND SHAFT WEAR BECAME SO SEVERE THE OIL PUMP DRIVEN GEAR WOULD NOT PROFILE WITH THE DRIVE GEAR CAUSING BOTH GEARS TO LOCK UP AND SUBSEQUENT SHAFT FAIL1L72 3O3 O A7CE E7CE 19980605000341998060500034EA 1998 6 5 98ZZZX2042 219980506G741473000 COUPLING S6LN204 PIPER PA32 PA32260 7103206SO LYC O540 O540E4A5 41532EA MAG DRIVE FAILED HS K NONE O OTHER ININSP/MAINT 1 EA014365T3200 A25449 327200019 C1482440 RT MAGNETO REMOVED TO CHANGE BREAKER POINTS. ON REMOVAL, NOTED THAT ONE MAGNETO DRIVE CUSHION WAS MISSING. A SMALL PIECE OF THE COUPLING WAS FOUND, IT WAS HARD/BRITTLE. THE DRIVE COUPLING WAS FOUND CRACKED. SUSPECT BECAUSE ONE-HALF OF THE CUSHION WAS MISSING (2 CUSHIONS REQUIRED, ONE ON EACH SIDE OF DRIVE COUPLING LUGS). ENGINE OIL DRAINED, SCREENS CHECKED, SUM FLUSHED. NO OTHER PIECES FOUND. 1L71 3O3 O A3SO E295 19980605000361998060500036EA 1998 6 5 98ZZZX2044 219980515G853065441 SPRING SEAT CESSNA172 172K 2072430CE LYC O360 O360A1A 41514EA NR 4 CYL INTAKE FAILED D K NONE O OTHER ININSP/MAINT 1 NE0346511273 17257315 L1373636A ENGINE SUCTION SCREEN REMOVED DURING ANNUAL INSP AND SEVERAL LARGE PIECES OF FERROUS METAL WERE FOUND. RECORDS INDICATED THE ENG HAD NEW CYLINDERS INSTALLED DURING OVERHAUL 272.7 HOURS PREVIOUSLY. THE PIECES OF METAL WERE FROM THE LOWER INTAKE VALVE SPRING SEAT P/N 65441. ALL 4 ROCKER COVERS REMOVED AND LARGE PIECES OF A BROKEN SPRING SEAT WERE FOUND IN NR 4 CYL ROCKER COVER. AFTER REMOVAL OF VALVE SPRING, FOUND 2 LOWER VALVE SPRING SEATS HAD BEEN INSTALLED ON THE INTAKE VALVE SPRING DURING BUILD-UP OF CYL ASSY. THE OIL SUMP REMOVED, CLEANED, FLUSHED, AND GEAR TRAIN INSPECTED. NO DAMAGE FOUND. SUMP REINSTALLED AND A NEW VALVE SPRING SEAT, BOTH SPRINGS AND VALVE KEEPERS REPLACED. GROUND RUN WAS NORMAL. 1H71 3O3 ONT3A12 E286 19980605000401998060500040EA 1998 6 5 98ZZZX2048 219980424G855073772 OIL JET PIPER PA46 PA46350P SO LYC O540 TIO540AE2A 41532EA PISTON COOLING FAULTY B SO5RK NONE O OTHER ININSP/MAINT 1 NE03621CA509 4636008 L9621861A REPETITIVE OIL ANALYSIS REVEALED HIGH WEAR METAL LEVELS FROM CYLINDER AREA WEAR (PISTON, RINGS, LINER). REMOVED AND REPLACED CYLINDERS WITH FACTORY NEW CYLINDER KITS. WHILE CYLINDERS WERE REMOVED, PISTON COOLING OIL JETS WERE REMOVED AND TESTED. FIVE OUT OF 6 FAILED INITIAL TEST. AFTER CLEANING ALL SIX, 4 WERE RETURNED TO SERVICE AND 2 WERE REPLACED WITH NEW. THIS IS THE SECOND AIRCRAFT/ENGINE COMBINATION OCCURRENCE. SUBMITTER SUSPECTED CLOGGED OIL JETS NOT PROPERLY COOLING/LUBRICATING PISTONS CAUSING DISTORTION RESULTING IN WEAR. 1L71 3O3 ORTA25SO E14EA 19980605000981998060500098CE 1998 6 5 CA980318039 119980224G812040727619 TURBINE GARRTT 4652929002 CESSNA182 TR182 2072735CE LYC O540 O540L3C5 41532EA ENGINE TURBO MISREPAIRED W K NONE W INADEQUATE Q C ININSP/MAINT 1 CA 2203 MHR0106 L2185440A (CAN) TURBO WAS SENT FOR REPAIR DUE TO RUBBING OF COMPRESSOR ON CASING. SHOP FOUND AUTOMOTIVE PARTS INSTALLED. 1H71 3O3 O 3A13 E295 19980612003321998061200332GL 1998 6 12 98ZZZX2087 219980430G73222537739 VALVE SLEEVE BENDIX 25490923 SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL FLOW BODY SEPARATED B ALGRK NONE O OTHER ININSP/MAINT 1 SW035427S 331596 760168 DURING SHOP INSPECTION FOR DECELERATION OF ENGINE, FOUND FUEL CONTROL BONDING ON SLEEVE SEPARATED. 1G72 3U3 U H1NE E1GL 19980612003341998061200334GL 1998 6 12 98ZZZX2089 219980427G725023034775 SUPPORT 23035128 SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL HOT SECTION CRACKED B AALGRK NONE O OTHER ININSP/MAINT 1 SW03741SW6520 1978 DW53655 760070 CAT95246S TURBINE REMOVED FOR 2,000-HOUR OVERHAUL AND DID NOT STATE THAT ENGINE OR TURBINE WAS SMOKING OR USING OIL. WHEN COMBUSTION REMOVED, DISCOVERED THE FIRST STAGE NOZZLE HAD OIL STAINS ON THE VANES AND THE GP SUPPORT HAD OIL STAINS AROUND THE STRUT THAT WAS CRACKED. THE STRUT WAS BADLY WORN FROM FRETTING WEAR BY THE FIRST STAGE NOZZLE SHIELD THROUGH THE WALL OF THE STRUT CAUSING OIL TO LEAK. THIS CRACK WAS ON THE PRESSURE SIDE OF THE SUPPORT. 1G72 3U3 U H1NE E1GL 19980612003371998061200337 1998 6 12 98ZZZX2092 219980305G8530 ENGINE AMTR KISTR1 LYC O235* NR 4 CYLINDER FAILED G A A UNSCHED LANDING Y ENGINE STOPPAGE CRCRUISE 1 GL0366SK 021 L858515 THIRTY MINUTES INTO LOCAL FLIGHT, ENGINE FAILED. PILOT MADE A FORCED LANDING IN A PLOWED FARM FIELD. NO VISIBLE DAMAGE INCURRED TO AIRPLANE. ON TEARDOWN, DEEP SCORING WAS FOUND IN THE OIL PUMP GEAR HOUSING. ALUMINUM AND PISTON RING PIECES WERE FOUND IN THE SUMP. A 2 INCH CRACK WAS FOUND IN CASE HALF. NR 4 PISTON DISINTEGRATED FROM CYLINDER. THREE LIFTERS HAD MISSING PIECES. THE CAMSHAFT HAD IMPACT DAMAGE ON ALL LOBES. ALL RODS HAVE IMPACT DAMAGE. NR 4 CYLINDER IS UNSERVICEABLE. 0 19980612003381998061200338GL 1998 6 12 98ZZZX2093 219980513G72106894171 GEARBOX HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE FAILED B LS1RK NONE J WARNING INDICATION ININSP/MAINT 1 EA131097J5072 1508 CAG31160F 900801D TORQUE PRESSURE INCREASED WHEN THROTTLE WAS REDUCED. SUSPECT TORQUE PISTON BLEED HOLE IS PLUGGED IN GEARBOX. GEARBOX SHIPPED TO OVERHAUL FACILITY FOR INSPECTION/REPAIR. REF: CONTROL NR 98-5-5. 1G71 3U3 U H3WE E4CE 19980612003391998061200339GL 1998 6 12 98ZZZX2094 219980512G72306890550 COMPRESSOR HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE SEIZED B LS1RK NONE O OTHER ININSP/MAINT 1 EA131097J6421 1 CAC34712 900801D COMPRESSOR INSTALLED ON AIRCRAFT AT ZERO TSO. AFTER GROUND RUNS, AIRCRAFT WAS TEST FLOWN. UPON NEXT START ATTEMPT AFTER APROXIMATELY 10 MINUTES SHUTDOWN TIME, ANOTHER START WAS ATTEMPTED. COMPRESSOR HAD SEIZED. UPON REMOVAL AND INSPECTION, IT WAS FOUND TO BE WHEEL RUB ON CASE HALF PLASTIC. 1G71 3U3 U H3WE E4CE 19980612003401998061200340GL 1998 6 12 98ZZZX2095 219980512G72306890550 COMPRESSOR HUGHES369 369D 4470706WP ALLSN 250C 250C20B 03013GL ENGINE VIBRATION B LS1RK NONE O OTHER ININSP/MAINT 1 EA131097J5675 2288 CAC35331 900801D EXHAUST STACKS CRACKED. VIBRATION ANALYSIS CHECK INDICATED COMPRESSOR WAS VIBRATING EXCESSIVELY. COMPRESSOR WAS REMOVED AND SENT FOR REPAIR EVALUATION. REF: CONTROL NR 98-5-9. 1G71 3U3 U H3WE E4CE 19980612003421998061200342GL 1998 6 12 98ZZZX2097 219980520G731047086 FILTER BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20F 03013GL FUEL NOZZLE CONTAMINATED B HEFRK NONE O OTHER ININSP/MAINT 1 WP21105HH 1034 S339 FILTER WAS CONTAMINATED WITH METAL AND OTHER DEBRIS. FILTER WAS NOT CRUSHED, ABOUT 20 PERCENT CONTAMINATION. 1G72 3U3 U H3EU E4CE 19980612003561998061200356EA 1998 6 12 98ZZZX2111 219980504G852075190 CAMSHAFT PIPER PA23 PA23250 7102308SO LYC O540 IO540C4B5 41532EA GOVERNOR DRIVE FAILED D EA ENGINE SHUTDOWN UNSCHED LANDING J WARNING INDICATION CRCRUISE 1 EA2340592638 277405337 L817448 IN CRUISE FLIGHT, PILOT LOST PROP CONTROL, FEATHERED, AND LANDED. FOUND CAMSHAFT BROKEN AT GOVERNOR DRIVE END. RECORDS SHOW THIS WAS A NEW PART. INSTALLED AT OVERHAUL ON 3/89. 1L72 3O3 O 1A10 1E4 19980612003621998061200362SO 1998 6 12 98ZZZX2117 219980422G8530SA640518 PISTON CESSNA180 180H 2072618CE CONT O470 O470R 17026SO NR 5 FAILED D A UNSCHED LANDING ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CLCLIMB 1 NM05180BH198 18052132 1313345R4 ABOUT 15 SECONDS AFTER TAKEOFF, ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. PILOT COULD NOT MAINTAIN ALTITUDE, AND MADE AN UNEVENTFUL LANDING. INSPECTED ENGINE, FOUND NR 5 PISTON BROKEN AND NO LONGER IN THE CYLINDER; ALSO, A 2 INCH CRACK FROM BASE OF NR 5 PISTON LEADING UP TO BACK BONE OF CASE. 1H71 3O3 O 5A6 E273 19980612003701998061200370EA 1998 6 12 98ZZZX2125 219980527G8530LW15014 ROCKER ARM CESSNA172 172N 2072434CE LYC O320 O320H2AD 41508EA NR 4 CYL EXHAUSTFAILED H A UNSCHED LANDING ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CRCRUISE 1 AL01733KE 145 17268346 L495876 AIRCRAFT EN ROUTE TO FAIRBANKS, AK. AT CRUISE, ENGINE RAN ROUGH, LOST ALTITUDE, MADE EMERGENCY LANDING ON ROAD. TEAR DOWN OF NR 4 ROCKER BOX SHOWED EXHAUST VALVE, ROCKER ARM BROKEN. TSO: 145 HOURS. 1H71 3O3 ONT3A12 E274 19980612003711998061200371EA 1998 6 12 98ZZZX2126 219980507G741410382807 CAPACITOR CESSNA172 172N 2072434CE LYC O320 O320H2AD 41508EA MAGNETO DEFECTIVE H A UNSCHED LANDING R PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 SO17733LW1099 17268384 L104776 MAGNETO POINTS AND COILS REPLACED ON 500-HOUR INSPECTION. AIRCRAFT MADE FORCED LANDING APPROXIMATELY 3 HOURS LATER. FOUND CAM FOLLOWERS MELTED ON ONE SET AND RESET OTHER SET AND FLEW ACFT BACK TO BASE (APPROX ONE-HALF HOUR). NEW POINTS SHOWED SIGNS OF HEAT AFTER THIS SHORT FLIGHT. BENDIX SB 587 REFERS TO THIS PROBLEM BEING CAUSED BY BAD CAPACITORS. REPLACED BOTH SETS OF POINTS AND BOTH CAPACITORS. 1H71 3O3 ONT3A12 E274 19980612003751998061200375EA 1998 6 12 98ZZZX2130 219980415G8520SL78027 BOLT PIPER PA22 PA22160 7102214SO LYC O320 O320B2A 41508EA CONNECT ROD FAILED D A K NONE W INADEQUATE Q C ININSP/MAINT 1 WP118701D 225882 L1268339A THIS ONE OUT OF EIGHT NEW CONNECTING ROD BOLTS STRETCHED AND DECREASED IN DIAMETER WHEN BEING TORQUED TO OEM SPECIFICATION DURING ENGINE OVERHAUL. ALL EIGHT BOLTS ARE 'NOT' BEING PUT INTO SERVICE. BOLT WOULD NOT TORQUE TO OEM SPECIFICATIONS. 1H71 3O3 O 1A6 E274 19980612006511998061200651EA 1998 6 12 98ZZZX2138 219980513G8530ST204 PISTON RING CESSNA150 152 2071835CE LYC O235 O235L2C 41505EA CYLINDER WORN H K NONE O OTHER ININSP/MAINT 1 SW994904330 15281117 L1461115 THIS ENGINE HAD 3 CYLINDERS OVERHAULED WITH RINGS IN THE FIELD. THE FOURTH WAS REPLACED WITH A COMPLETE CHROME CYLINDER ASSY. AFTER 30 HOURS OF FLIGHT, THE OIL CONSUMPTION AND BLOW-BY BECAME EXCESSIVE. A COMPRESSION TEST SHOWED 20/80 OR THE 3 OVERHAULED AND 68/80 ON THE CHROME CYLINDER. THE RINGS IN THE CHROME CYLINDER APPEARED OK WHILE THE OTHERS SHOWED SEVERE WEAR. 1H71 3O3 ONT3A19 E223 19980612006571998061200657SO 1998 6 12 98ZZZX2144 219980518G7322CF46F12 VENTURI FACET MA3SPA CESSNA150 150M 2071830CE CONT O200 O200A 17020SO CARBURETOR DEFECTIVE HL K NONE O OTHER ININSP/MAINT 1 SW09704AC 15078450 ONE-PIECE VENTURI INSTALLED TO C/W AD 93-18-03 CAUSED DISRUPTION OF FUEL FLOW AND ENGINE WOULD NOT DEVELOP FULL POWER. SINGLE PIECE VENTURI MANUFACTURED BY CONSOLIDATED. P/N CF46-F12 WAS INSTALLED IN MARVEL SCHLEBLER MA3-SPA CARBURETOR TO C/W AD TO REPLACE 2-PIECE VENTURI. AFTER INSTALLATION, ENGINE WOULD NOT DEVELOP FULL POWER RPM AND RAN ROUGH. 1H71 3O3 O 3A19 E252 19980619000041998061900004EA 1998 6 19 98ZZZX2160 219980416G853060009 VALVE KEEPER LW11633 CESSNA150 152 2071835CE LYC O235 O235L2C 41505EA NR 4 CYLINDER WORN B LJQRK NONE O OTHER ININSP/MAINT 1 EA09757RM 407 A5383 15279944 L1917815 VALVE KEEPERS WORN, BUT STILL INSTALLED. LET VALVE ASSY MOVE DOWN IN KEEPER ASSY. VALVE WOULD NOT COMPLETELY CLOSE. NO DAMAGE TO CYLINDER OR PISTON. 1H71 3O3 ONT3A19 E223 19980619000081998061900008NE 1998 6 19 98ZZZX2164 219980518G8530MYHN52 CYLINDER SCWZERG164 G164A 3952704EA PWA R1340 R1340AN1 52016NE NR 4 CRACKED B IL1RK NONE O OTHER ININSP/MAINT 1 EA234869524 1628 21888 INSPECTION FOUND NR 4 CYLINDER CRACKED IN ROCKER BOSS AREA. 1Q71 3R3 R 1A16 5E2 19980619000101998061900010SO 1998 6 19 98ZZZX2166 219980328G852035972 ROD BOLT BEECH 55 95A55 1152704CE CONT O470 IO470L 17026SO NR 1 FAILED DL K NONE O OTHER NRNOT REPORTED 1 CE051040T TC318 1923459LR ROD BOLT WAS MAGNAFLUXED AND CLEANED 75.8 HOURS PRIOR TO FAILURE. TT UNKNOWN, SUSPECT UNDETECTED METAL FATIGUE. BOLT BROKE UNDER FULL POWER AND HIGH RPM. SUGGEST CHANGING OUT ROD BOLTS WITH NEW BOLTS AT EACH MAJOR OVERHAUL. 1L72 3O3 O 3A16 3E1 19980619009171998061900917NE 1998 6 19 98ZZZX2190 219980428G731402532330002 FUEL PUMP SUNDSTRANDEM BEECH 200 200BEECH 1152920CE PWA PT6 PT6A42 52043NE DRIVE SHAFT FAILED H O OTHER X ENGINE FLAMEOUT CRCRUISE 1 WP05430MC 995 BB904 PCE93097 DURING CRUISE FLIGHT, THE RT ENGINE FLAMED OUT AND WOULD NOT RESTART IN-FLIGHT. AFTER A SAFE LANDING, THE ENGINE STARTED NORMALLY. HOWEVER, WHEN POWERED UP TO 100 PERCENT, THE ENGINE WOULD IMMEDIATELY FLAME OUT. INSPECTION REVEALED THE HIGH PRESSURE, ENGINE-DRIVEN FUEL PUMP WAS AT FAULT. THE SPLINED DRIVE SHAFT FROM THE ACCESSORY SECTION TO THE FUEL PUMP WAS FOUND STRIPPED. THERE WAS, HOWEVER, ENOUGH SHEARED METAL LEFT IN THE DRIVE COUPLING TO ALLOW THE DRIVE SHAFT TO ENGAGE INTERMITTENTLY. CLOSE INSPECTION OF THE STRIPPED SHAFT DID NOT REVEAL ANY REASON FOR FAILURE, EXCEPT FOR METAL FATIGUE. THE PUMP AND DRIVE SHAFT WERE REPLACED AND THE ENGINE FUNCTIONED NORMALLY. 1L72 4T4 T A24CE E4EA 19980619009261998061900926NE 1998 6 19 SI3R98008 219980520G72106044T35P10 GEARBOX HAMSTD GC49 SAAB SF340 SF340A 7850100EU GE CT7TP CT79B 30030NE DAMAGED B SI3RK NONE O OTHER ININSP/MAINT 1 NE03 14611788 UDAG0843 DISASSEMBLY OF GEARBOX REVEALED SEVERE DAMAGE TO THE DAMPER RING ON THE RIGHT FORWARD IDLER GEAR. ALSO, RIGHT FORWARD IDLER GEAR WEB CRACKED (P/N 792207-3) BULKHEAD (P/N 775754-13) HAS 0.060 INCH - 0.080 INCH GROOVE WORN IN. RECOMMEND SCRAP DISPOSITION. (P/N 775760-2, FIG 8 ITEM 85). HSS SO NR 85198SE. CUST: SIMMONS A/L. 2L72 4T4 TRTA52EU E8NE 19980626000871998062600087EA 1998 6 26 98ZZZX2208 219980604G8530 BOSS ECLW12967CN PIPER PA31 PA31350 7103110SO LYC O540 TIO540J2BD 41532EA EXHAUST CRACKED B K NONE W INADEQUATE Q C ININSP/MAINT 1 SO1141162 318452002 PURCHASED 12 (COMPLETE) OVERHAULED CYLINDERS FOR TIO-540J2BD. FOURTH OF TWELVE REPAIRED UNDER WORK ORDER NR 64856, S/N 03, FOUND CRACKS ON EXHAUST STUD BOSS. 1L72 3O3 O A20SO E14EA 19980626000911998062600091GL 1998 6 26 98ZZZX2211 219980520G72306890502 WHEEL BLADE BELL 206 206B 1181511SW ALLSN 250C 250C20B 03013GL COMP STG 3 FAILED B KUVRO OTHER R PARTIAL RPM/PWR LOSS CLCLIMB 1 SO19262BH9193 2463 C38375 3563 CAE833583 THE PILOT REPORTED COMPRESSOR STALLS DURING LIFT OFF OF THE HELICOPTER. AFTER INSPECTION OF THE COMPRESSOR, THE NR 3 WHEEL WAS FOUND MISSING A BLADE. THE BLADE BROKE OFF DAMAGING SEVERAL WHEELS BEFORE EXITING OUT. 1G71 3U3 U H2SW E4CE 19980626001121998062600112SO 1998 6 26 98ZZZX2231 219980605G8540632617 GEAR CESSNA337 337G 2075730CE CONT O360 IO360A 17025SO DRIVE PAD FAILED DS K NONE O OTHER ININSP/MAINT 1 SO1137BJ 850 33701503 VACUUM PUMP FAILED. NEW PUMP WOULD NOT WORK. FOUND GEAR TEETH (ALL) MISSING FROM DRIVE GEAR. 1H72 3O3 O A6CE E1CE 19980626001171998062600117EA 1998 6 26 98ZZZX2236 219980513G8520 CRANKSHAFT CESSNA185 A185F 2072821CE LYC O540 TIO540J2BD 41532EA CYL 2-3 AREA FAILED G A UNSCHED LANDING R PARTIAL RPM/PWR LOSS NRNOT REPORTED 1 GL157140H 1059 18503351 L833061A ENGINE RPM SURGED AND FLUCTUATED. ENGINE LOST POWER. AIRCRAFT FLIPPED OVER DURING EMERGENCY LANDING. MAJOR DAMAGE, NO INJURIES. NO PROPELLER STRIKE. PRE TEAR-DOWN EXAM INDICATES THE ENGINE CRANKCHAFT IS BROKEN BETWEEN NR 2 AND NR 3 CYLINDERS. 1H71 3O3 O 3A24 E14EA 19980626002891998062600289GL 1998 6 26 98ZZZX2241 219980527G7250369H7301503 ROD HUGHES500N 500N 3027374SW ALLSN 250C 250C20R2 GL GAS PRODUCER CRACKED G K NONE O OTHER ININSP/MAINT 1 WP07524FB6037 LN004 INSPECTION FOUND GAS PRODUCER INTERCONNECT TUBE WITH CRACKS, 2 EACH, 180 DEGREES APART AT SHORT END. 1G71 3U3 UNCH3WE E4CE 19980626002901998062600290NE 1998 6 26 M9QR564N 219980521G7250762425 AIRSEAL PWA JT8 JT8* 52044NE LP TURBINE CRACKED B M9QRK NONE W INADEQUATE Q C ININSP/MAINT 1 SW17 WHILE RE-EVALUATING THE DATA FOR TI-JT8D-117 ON WELDING OF THE KNIFE EDGE AIRSEALS ON 2ND, 3RD, AND 4TH STAGE ROTATING AIRSEALS, CRACKING WAS DETECTED IN THE PEDESTAL RADIUS. THE PART WAS DAMAGED AS THE RESULT OF THE LASER WELDING PROCESS. THE INVESTIGATION IS CONTINUING. REF: OPERATOR CONTROL NR 98ZZZX2242 AND 98ZZZX2243. (X) 4 F E2EA 19980626002911998062600291NE 1998 6 26 98ZZZX2242 219980521G7250798808 AIRSEAL PWA JT8 JT8* 52044NE LP TURBINE CRACKED B M9QRK NONE W INADEQUATE Q C ININSP/MAINT 1 SW17 WHILE RE-EVALUATING THE DATA FOR TI-JT8D-117 ON WELDING OF THE KNIFE EDGE AIRSEALS ON 2ND, 3RD, AND 4TH STAGE ROTATING AIRSEALS, CRACKING WAS DETECTED IN THE PEDESTAL RADIUS. THE PART WAS DAMAGED AS THE RESULT OF THE LASER WELDING PROCESS. REF: THE INVESTIGATION IS CONTINUING. OPERATOR CONTROL NR M9QR564N AND 98ZZZX2243. (X) 4 F E2EA 19980626002921998062600292NE 1998 6 26 98ZZZX2243 219980521G7250759059 AIRSEAL PWA JT8 JT8* 52044NE LP TURBINE CRACKED B M9QRK NONE W INADEQUATE Q C ININSP/MAINT 1 SW17 WHILE RE-EVALUATING THE DATA FOR TI-JT8D-117 ON WELDING OF THE KNIFE EDGE AIRSEALS ON 2ND, 3RD, AND 4TH STAGE ROTATING AIRSEALS, CRACKING WAS DETECTED IN THE PEDESTAL RADIUS. THE PART WAS DAMAGED AS THE RESULT OF THE LASER WELDING PROCESS. THE INVESTIGATION IS CONTINUING. REF: OPERATOR CONTROL NR M9QR564N AND 98ZZZX2242. 4 F E2EA 19980626003861998062600386GL 1998 6 26 HEEA0014442 219980601G723023007208 DIFFUSER 23033191 BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL ENGINE MISMANUFACTURED E HEEAK NONE W INADEQUATE Q C ININSP/MAINT 1 SW033892R CAC70726 45594 CAE860059 RECEIVING INSPECTION REVEALED: DISTORTED BEYOND SERVICEABLE LIMITS ON VANE ASSY. (VANE L/E). 1G71 3U3 U H2SW E1GL 19980626003871998062600387GL 1998 6 26 HEEA0014443 219980601G7260230595681 BEARING 23035179 SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL GEARBOX MISMANUFACTURED E HEEAK NONE W INADEQUATE Q C ININSP/MAINT 1 SW0322342 CAG90183 760096 CAE890431S RECEIVING INSPECTION REVEALED: RUST BEYOND SERVICEABLE LIMITS ON 3 AND 4 CAGE. INSTALLED A NEW 3 AND 4 CAGE. 1G72 3U3 U H1NE E1GL 19980626004001998062600400EA 1998 6 26 HEEA0014570 219980604G7532310092205 BLEED VALVE BEECH 200 200BEECH 1152920CE PWA PT6 PT6A41 52043EA ENGINE COMP FAULTY E HEEAK NONE O OTHER ININSP/MAINT 1 SW03789DS BB478 BLEED VALVE POPPING AT HIGH TORQUE. 1L72 4T4 T A24CE E4EA 19980626004431998062600443SW 1998 6 26 HEEA0014468 119980602G6710206062721109 ACTUATOR BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL DROOP COMP INOPERATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 ACTUATOR INOPERATIVE. 1G71 3U3 U H2SW E1GL 19980626004441998062600444SW 1998 6 26 HEEA0014469 119980602G6710206062721109 ACTUATOR BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL DROOP COMP INOPERATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 ACTUATOR HAS NO MOVEMENT. 1G71 3U3 U H2SW E1GL 19980626004451998062600445SW 1998 6 26 HEEA0014470 119980602G6710206062721109 ACTUATOR BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL DROOP COMP. DAMAGED E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 END OF OUTPUT SHAFT SPLIT. 1G71 3U3 U H2SW E1GL 19980626004481998062600448SW 1998 6 26 HEEA0014473 119980602G6710206062721109 ACTUATOR BELL 206 206L3 1182108SW ALLSN 250C 250C30P 03013GL DROOP COMP INOPERATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW0331821 51076 ACTUATOR INOPERATIVE. 1G71 3U3 U H2SW E1GL 19980626004581998062600458GL 1998 6 26 HEEA0014487 219980602G73143881005 SPLINE BELL 206 206L1 1182107SW ALLSN 250C 250C30P 03013GL FUEL PUMP WORN E HEEAK NONE O OTHER ININSP/MAINT 1 SW035006F1480 45181 PUMP HAS EXCESSIVE DRIVE SHAFT SPLINE WEAR AND GEAR SPLINE WEAR. 1G71 3U3 U H2SW E1GL 19980626004771998062600477SW 1998 6 26 HEEA0014516 119980604G6710206062721109 ACTUATOR BELL 206 206L1 1182107SW ALLSN 250C 250C30P 03013GL DROOP COMP ERRATIC E HEEAK NONE O OTHER ININSP/MAINT 1 SW035737T 45454 DROOP COMP ACTUATOR INTERMITTENTLY ERRATIC. 1G71 3U3 U H2SW E1GL 19980626004971998062600497SW 1998 6 26 HEEA0014548 119980604G6710206062721007 ACTUATOR BELL 206 206L3 1182108SW ALLSN 250C 250C30P 03013GL M/R CONTROL INOPERATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW0392MT 51175 MAIN ROTOR CONTROL ACTUATOR INOPERABLE. 1G71 3U3 U H2SW E1GL 19980626004991998062600499SW 1998 6 26 HEEA0014550 119980604G6710206062721109 ACTUATOR BELL 206 206L3 1182108SW ALLSN 250C 250C30P 03013GL DROOP COMP INOPRATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW038591X 51495 ACTUATOR INOPERATIVE. 1G71 3U3 U H2SW E1GL 19980626005561998062600556GL 1998 6 26 HEEA0014463 219980602G73201564T1005 ACTUATOR BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL FUEL CONTROL INOPERATIVE E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 ACTUATOR INOPERATIVE. 1G72 3U3 U H3EU E4CE 19980626005581998062600558GL 1998 6 26 HEEA0014465 219980602G73201564T1005 SERVO MOTOR BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL FUEL CONTROL FAULTY E HEEAK NONE O OTHER ININSP/MAINT 1 SW03911DD S830 UNABLE TO ADJUST AND SLIP. 1G72 3U3 U H3EU E4CE 19980626005631998062600563GL 1998 6 26 HEEA0014488 219980602G73222537739 METERING VALVE BOLKMS105 BO105S 5626006EU ALLSN 250C 250C30P 03013GL FLOW BODY FAULTY E HEEAK NONE O OTHER ININSP/MAINT 1 SW03911BR S719 ENGINE DECELERATED. BENCH TESTED UNIT AS RECEIVED. FOUND FLOWS TO HANG. INSPECTED UNIT AND FOUND METERING VALVE SLEEVE, P/N 2537739. UNIT TESTED. REPLACED METERING VALVE SLEEVE, P/N 2537739, WITH SERVICEABLE METERING VALVE SLEEVE, P/N 2537739. BENCH TEST UNIT. 1G72 3U3 U H3EU E1GL 19980626005771998062600577NE 1998 6 26 HEEA0014541 219980604G72611742500 OIL FILTER BOLKMS117 BK117B2 5626013EU LYC LTS101LTS101750B1 41560NE ENGINE OIL FAULTY E HEEAK NONE O OTHER ININSP/MAINT 1 SW03136AE 7234 OIL FILTER BUTTONS DO NOT STAY IN. 1G72 3U3 UNCH13EU E5NE10 19980703001661998070300166GL 1998 7 3 HEEA0014653 219980608G74129580113800 GENERATOR SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL ENGINE INTERMITTENT E HEEAK NONE O OTHER ININSP/MAINT 1 SW0315460 760223 IGNITION GENERATOR INTERMITTENT. 1G72 3U3 U H1NE E1GL 19980703001721998070300172GL 1998 7 3 HEEA0014715 219980610G7412106149501 IGNITER BOX SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL ENGINE IGN DAMAGED E HEEAK NONE O OTHER ININSP/MAINT 1 SW034253S 760035 DAMAGED THREADS ON IGNITER LEAD POST. 1G72 3U3 U H1NE E1GL 19980703001851998070300185GL 1998 7 3 HEEA0014761 219980611G73207630103901102 ACTUATOR SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL ENGINE CONTROL MALFUNCTIONED E HEEAK NONE O OTHER ININSP/MAINT 1 SW031545X 263 760050 ACTUATOR MOTOR ROUTES TOO LONG BEFORE SHAFT TURNS. 1G72 3U3 U H1NE E1GL 19980703001861998070300186GL 1998 7 3 HEEA0014762 219980611G73207630103901102 ACTUATOR SKRSKYS76 S76A 8143006NE ALLSN 250C 250C30S 03013GL ENGINE CONTROL MALFUNCTIONED E HEEAK NONE O OTHER ININSP/MAINT 1 SW031545X 185 760050 MOTOR ROTATES TOO LONG BEFORE SHAFT MOVES. 1G72 3U3 U H1NE E1GL 19980703001881998070300188NE 1998 7 3 HEEA0014781 219980611G72103024780 GEARBOX BELL 412 412 1182202SW PWA PT6T PT6T3B 52045NE COMBINING G/BOX FAILED E HEEAK NONE O OTHER NRNOT REPORTED 1 SW03107X 12873 33113 COMBINING GEARBOX MAKING METAL. 1G72 4U4 U H4SW E22EA 19980703004951998070300495NE 1998 7 3 98ZZZX2262 219980513G7250798157001 RING PWA JT8 JT8D217A 52053NE N1 TURBINE FAILED B RA1RK NONE O OTHER ININSP/MAINT 1 SW05 708416 ENGINE REMOVED FROM SERVICE FOR 'LPT DAMAGE'. THE SECOND STAGE VANE INNER SUPPORT LOCATING PIN BROKE LOOSE AND CAUSED IMPACT DAMAGE TO THE T2 AND T3 BLADES, AND COMPLETE FAILURE OF ALL T4 BLADES. 4 F E9NE 19980703005041998070300504EU 1998 7 3 98ZZZX2271 219980525G8520 CONNECTING ROD DIAMONDA20 DA20A1 GL ROTAX 912 ROTAX912 55555EU NR 2 SEIZED D A UNSCHED LANDING W INADEQUATE Q C CRCRUISE 1 NM0710UV 2325 1288 10037 4076240 ENGINE SEIZED IN-FLIGHT. FOUND THAT THE NR 2 ROD SEIZED AND BROKE AT THE CRANK JOURNAL AND THE PISTON BROKE AT THE PIN HOLE, ALSO, PISTON SEIZED IN CYLINDER. FOUND TWO PIECES OF PUSHROD O-RINGS IN OIL SCAVENGE LINE FITTING AT BOTTOM OF CASE. DURING MAINTENANCE, O-RINGS WERE NOT REMOVED FROM LIFTER BORE WHEN NEW ONES WERE INSTALLED FORCING OLD O-RINGS INTO ENGINE CASE. 1L71 3O3 INTTA4CH EXPE3I 19980703005061998070300506EA 1998 7 3 98ZZZX2273 219980602G8520 CAMSHAFT LOBE LYC O720 IO720B1A 41546EA NR 2 CYL EXH SPALLED D K NONE O OTHER ININSP/MAINT 1 SW99 1111 L81854 DURING 100-HOUR INSPECTION AND INSPECTION FOR REPORTED SLIGHT APPARENT POWER LOSS, FOUND NR 2 CYLINDER EXHAUST VALVE LIFTER BODY AND CAMSHAFT LOBE FAILED PREMATURELY. CAMSHAFT AND LIFTERS HAD BEEN RECONDITIONED AND REGROUND AT MAJOR OVERHAUL INSTEAD OF NEW. NO REPORTED OPERATING DIFFICULTIES. BALANCE OF ENGINE CLEAN INTERNALLY. ENGINE ALWAYS ON SHELL 20W50 AD OIL. 3 O 1E15 19980703005081998070300508EA 1998 7 3 98ZZZX2275 219980420G8520LW10646 CONNECT ROD BEECH 60 B60 1153605CE LYC O541 TIO541E1C4 41536EA NR 3 CYLINDER FAILED E A UNSCHED LANDING ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CRCRUISE 1 SO1366HW 2951 734 P559 L111959 NR 3 CYLINDER ROD BROKE IN CRUISE FLIGHT. 1L72 3O3 O A12CE E10EA 19980703007311998070300731EA 1998 7 3 HEEA0014851 219980622G7532312320201 VALVE BELL 212 212 1181420SW PWA PT6T PT6T3 52045EA BLEED AIR SYSTEMFAULTY E HEEAK NONE O OTHER ININSP/MAINT 1 SW03 BLEED VALVE NOT READING CORRECTLY. TIME SINCE REPAIR 0:00. 1G71 4U4 U H4SW E22EA 19980703007421998070300742EA 1998 7 3 HEEA0014912 219980622G72103024780 GEARBOX BELL 212 212 1181420SW PWA PT6T PT6T3 52045EA COMBINING MAKING METAL E HEEAK NONE O OTHER ININSP/MAINT 1 SW031082G6610 31109 COMBINING GEARBOX HAS METAL CONTAMINATION ON NR 2 SIDE. 1G71 4U4 U H4SW E22EA 19980703007501998070300750NE 1998 7 3 HEEA0014938 219980622G72303017600 ENGINE BELL 412 412 1182202SW PWA PT6T PT6T3B 52045NE COMPR SECTION STALLS E HEEAK NONE R PARTIAL RPM/PWR LOSS ININSP/MAINT 1 SW033893P13424 33012 COMPRESSOR STALLS. 1G72 4U4 U H4SW E22EA 19980703007531998070300753GL 1998 7 3 HEEA0015043 219980626G726023063413 GEAR 6894171 BOLKMS105 BO105S 5626006EU ALLSN 250C 250C20B 03013GL ENGINE PITTED E HEEAK NONE O OTHER ININSP/MAINT 1 SW038197X CAG38881 S808 CAE835215 RECEIVING INSPECTION REVEALED: PITS BEYOND SERVICEABLE LIMITS ON A/O SEP. GEAR TEETH. INSTALLED A NEW A/O SEP. GEAR. 1G72 3U3 U H3EU E4CE 19980703007601998070300760EA 1998 7 3 HEEA0014838 119980622G6710204060762103 ACTUATOR BELL 212 212 1181420SW PWA PT6T PT6T3 52045EA MAIN ROTOR FAILED E HEEAK NONE O OTHER ININSP/MAINT 1 SW033208H 31304 MOTOR WILL NOT ACTUATE. 1G71 4U4 U H4SW E22EA 19980703008131998070300813GL 1998 7 3 HEEA0014914 219980622G731423068651 SEAL BELL 407 407 SW ALLSN 250C 250C47B GL FUEL PUMP LEAKING E HEEAK NONE K FLUID LOSS ININSP/MAINT 1 SW03447PH111 53114 FUEL PUMP SEAL DRAIN LEAKING. 1G71 3U3 UO H2SW E1GL 19980703008141998070300814GL 1998 7 3 HEEA0014915 219980622G731423069251 SEAL BELL 407 407 SW ALLSN 250C 250C47B GL FUEL PUMP LEAKING E HEEAK NONE K FLUID LOSS ININSP/MAINT 1 SW03447PH310 53114 FUEL PUMP SEAL DRAIN LEAKING. 1G71 3U3 UO H2SW E1GL 19980703008251998070300825GL 1998 7 3 HEEA0014934 219980622G732023068651 HMU BELL 407 407 SW ALLSN 250C 250C47B GL ENGINE FAILED E HEEAK NONE O OTHER ININSP/MAINT 1 SW03403PH797 53177 FADEC FAILURE. 1G71 3U3 UO H2SW E1GL 19980714000611998071400061NE 1998 7 14 CA980331024 219980320G7261310137101 BEARING PWA 118 PW118 NE OIL PUMP SPALLED W K NONE O OTHER ININSP/MAINT 1 CA 189989089 115376 (CAN) OPER REPORTED METAL CONTAMINATION OF RGB. RGB FOUND COMPLETELY CLEAN WITH NO SIGN OF METAL CONTAMINATION. TURBOMACHINE CHIP DETECTOR CHECKED, FOUND A SINGLE FLAKE OF SHINY METAL . FILTERS CHECKED FOR CONTENT ANALYSIS. TURBOMACHINERY FILTER FND HEAVILY CONTAMINATED WITH M50 MAT'L. SOURCE OF METAL CONTAM IDENTIFIED FROM A SPALLED OIL PUMP DRIVE BRG. SECONDARY DAMAGE NOT EXTENSIVE, RESTRICTED TO COMPONENTS IN ACCY G/B OF REAR INLET CASE. BRG NEVER REPLACED. ORIG BRG FITTED TO ENG AT NEW PRODUCTION. ENG HAS HISTORY OF VIBRATION , POSSIBLE OIL PUMP DR BRG SUSTAINED DAMAGE OR REACHED ITS LIFE-LIMIT. PART TC: 19,018. 4 T E20NE 19980714000621998071400062EA 1998 7 14 CA980331026 219980306G852072877 TAPPET BODY LYC O360 AEIO360A1B6 41514EA ENGINE CAMSHAFT SPALLED W K NONE O OTHER ININSP/MAINT 1 CA 1746 L2663251A (CAN) DURING A SCHEDULED 50 HR INSP THAT CONTAINED TASKS REQUIRED TO C\W THE ON CONDITION PROGRAM ESTABILSHED FOR THE ENGINE. A MODERATE AMT OF SMALL METAL PARTICLES FOUND IN OIL FILTER ELEMENT. SUBSEQUENT INSP OF THE OIL SYSTEM SUCTION STRAINER REVEALED A SMALL AMOUNT OF MUCH LARGER METAL PARTICLES. NR 1 AND NR 3 CYLINDERS REMOVED . WITH THE CYLINDERS REMOVED, INSPECTION REVEALED ABNORMAL WEAR ON FRONT AND REAR LOBES OF THE CAMSHAFT AND THE TAPPETS WERE VERY BADLY SPALLED. THE ENGINE WAS REMOVED FOR REPAIR. 3 O 1E10 19980714000631998071400063CE 1998 7 14 CA980407023 119980323G32421338932 STATOR CESSNA500 550 2076604CE PWA JT15 JT15D4 52112NE LT BRAKE CRACKED W O OTHER O OTHER TXTAXI/GRND HDL 1 CA 331 (CAN) AIRCRAFT LANDED NORMALLY BUT WHILE TURNING AROUND AFTER TAXIING, THE LT WHEEL LOCKED UP. BRAKING WAS NORMAL DURING LANDING. WHEN MAINTEANCE REMOVED BRAKE, THE DISK-STATOR (P/N 133-893-2) WAS FOUND CRACKED IN THE AREA OF A KEY SLOT IN THE STATOR. BOTH MAIN WHEELS WERE REPLACED AND LT BRAKE WAS REPLACED AND BLED. PART TC: 498. 1L72 4F4 F A22CE E1NE 19980714000671998071400067EA 1998 7 14 CA980610005 219980601G72103013132 CARRIER PWA PT6 PT6A28 EA NR 5 BEARING LOOSE W K NONE O OTHER ININSP/MAINT 1 CA 30B566 41733100 (CAN) AFTER OVERHAUL INSPECTION OF THE 2ND STAGE CARRIER, THE NR 5 BEARING JOURNAL SLEEVE WAS FOUND OUT OF POSITION FROM AN ADJACENT SHOULDER USED AS A DATUM FOR INSTALLATION. THIS SLEEVE IS PART OF THE NR 5 BEARING JOURNAL REPAIR. THE SLEEVE HAS MOVED O.058 INCH FROM THE SHOULDER. THE COMPONENT OPERATED SATISFACTORILY IN THIS CONDITION. 4 T E4EA 19980714001431998071400143GL 1998 7 14 98ZZZX2338 219980330G72506898735 TURBINE SUPORT BOLKMS105 BO105CBS 5626008EU ALLSN 250C 250C20 03013GL ENGINE CRACKED B EOPRK NONE O OTHER ININSP/MAINT 1 AL01492HL6074 CAT35860 S803 CAE836307 FOUND CIRCUMFERENTIAL CRACKS IN THE POWER TURBINE SUPPORT RADIUS AREA. REPLACED TURBINE. 1G72 3U3 UNCH3EU E4CE 19980714004261998071400426GL 1998 7 14 HEEA0015075 219980701G731323031866 NOZZLE 23033185 BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL ENGINE BLISTERED E HEEAK NONE O OTHER ININSP/MAINT 1 SW035012V CAT70486 45200 CAE860248 DURING MACHINING NOTED: BLISTERED COATING BEYOND SERVICEABLE LIMITS ON NR 2 NOZZLE, NR 2 TIP PATH. 1G71 3U3 U H2SW E1GL 19980714004271998071400427GL 1998 7 14 HEEA0015076 219980701G731323055430 NOZZLE 23033185 BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL ENGINE MISMANUFACTURED E HEEAK NONE W INADEQUATE Q C ININSP/MAINT 1 SW035012V CAT70486 45200 CAE860248 RECEIVING INSPECTION REVEALED: COATING LIFTING ON NR 2 NOZZLE 2ND STAGE TIP PATH. 1G71 3U3 U H2SW E1GL 19980714004281998071400428GL 1998 7 14 HEEA0015077 219980701G731323055430 NOZZLE 23033185 BELL 206 206L1 1182107SW ALLSN 250C 250C28B 03013GL ENGINE FLAKING E HEEAK NONE J WARNING INDICATION ININSP/MAINT 1 SW035745S CAT70404 45491 CAE860697 ENGINE REMOVED DUE TO OIL OVERTEMP. UPON INSPECTION OF TURBINE PARTS NOTED: COATING FLAKING ON NR 2 NOZZLE, NR 1 AND NR 2 TIP PATHS. 1G71 3U3 U H2SW E1GL 19980714004421998071400442NE 1998 7 14 HEEA0015129 219980701G72103024780 GEARBOX BELL 412 412 1182202SW PWA PT6T PT6T3B 52045NE COMBINING BOX LEAKING E HEEAK NONE K FLUID LOSS ININSP/MAINT 1 SW032149814672 36003 COMBINING BOX IS TRANSFERRING OIL TO NR 1 ENGINE. 1G72 4U4 U H4SW E22EA 19980715000061998071500006NE 1998 7 15 98ZZZX2259 219980605G7323D210507 GOVERNOR WOODWARD CESSNA208 208B 2073701CE PWA PT6 PT6A114 52043NE ENGINE FAILED H K NONE O OTHER ININSP/MAINT 1 SW999762B5992 2173315U 208B0109 DURING ENGINE CHANGE, OVERSPEED GOVERNOR WAS TRANSFERRED FROM ENGINE DUE OVERHAUL TO LOANER ENGINE. AFTER INSTALL ON LOANER ENGINE, PR0P SHAFT WOULD NOT ROTATE. UPON REMOVAL OF OVERSPEED GOVERNOR, SMALL BALL BEARING CAME OUT OF GOVERNOR OIL PORT. FLUSHED RGB AND FOUND FIVE BALL BEARINGS, FOUND TWO MORE INSIDE GOVERNOR AFTER DISASSEMBLY OF GOVERNOR. FOUND BEARING CAGE AND OUTER RACE DAMAGED. ALL SEVEN BEARINGS WERE FOUND. REPLACED OVERSPEED GOVERNOR WITH OVERHAULED UNIT. 1H71 3T3 T A37CE E4EA 19980717000741998071700074EA 1998 7 17 AU980470 319980425G6111 BLADE WACO YMF YMF 9600412EA JACOBPR755 R755B2 35007SW SNSNCHW96JB W96JB EA PROPELLER CRACKED H K NONE F FLT CONT AFFECTED LDLANDING 1 AUS AD4765 (AUS) PROPELLER HAD SPLITS DEVELOPING AFT OF THE METAL LEADING EDGE AND BETWEEN LAMINATION MIDWAY ALONG THE CENTER OF BLADE. FINE CRACKS WERE ALSO FOUND IN THE LEADING METAL SHEATH AT RADIUS OF STRESS RELIEVING POINTS. 1Q71 3R3 R ATC542 E237 5 NP170 19980717000791998071700079 1998 7 17 AU980477 119980429G7120595104815 MOUNT 60510021 PWA PT6 PT6A112 52043NE ENGINE CRACKED H K NONE O OTHER ININSP/MAINT 1 AUS L12610R12611 (AUS) ENGINE MOUNT FOOT CRACKED. 3 T E4EA 19980717000871998071700087SO 1998 7 17 AU980485 219980327G8530652956 GUIDE CESSNA206 U206G 2073356CE CONT O520 IO520F 17032SO EXH VALVE WORN H K NONE O OTHER ININSP/MAINT 1 AUS 247926R (AUS) ENGINE CYLINDER REMOVED DUE TO LOW COMPRESSION. EXHAUST VALVE P/N 636242 FOUND WORN 0.178 MM (0.007 INCH). EXHAUST VALVE GUIDE P/N 652956 WORN 0.0432 MM (0.017 INCH). 1H71 3O3 O A4CE E5CE 19980717000891998071700089SO 1998 7 17 AU980487 219980301G8530 CYLINDER HEAD BEECH 35 V35 1151538CE CONT O520 IO520BA 17032SO NR 2 SEPARATED H K NONE ER VIBRATION/BUFFET PARTIAL RPM/PWR LOSS CRCRUISE 1 AUS 358 1214397B (AUS) NR 2 CYLINDER HEAD SEPARATED FROM THE CYLINDER BARREL. 1L71 3O3 O 3A15 E5CE 19980717000901998071700090SO 1998 7 17 AU980488 219980301G8520629071629072 CRANKCASE BEECH 35 V35 1151538CE CONT O520 IO520BA 17032SO NR 2 CYL PAD CRACKED H K NONE O OTHER ININSP/MAINT 1 AUS 358 629071629072 1214397B (AUS) AT ENGINE BULK STRIP, FOLLOWING THE SEPARATION OF NR 2 CYLINDER HEAD (REFER MDR 98/0488), A 127 MM (5 INCH) LONG CRACK WAS FOUND IN THE CRANKCASE RUNNING FROM THE MATING FACE BACKBONE FLANGE DOWN TO THE NR 2 CYLINDER PAD. THE CRACK WAS OBSCURED BY THE LT MAGNETO AND HAD SILICON SEALANT SPREAD OVER ITS ENTIRE LENGTH. 1L71 3O3 O 3A15 E5CE 19980717000911998071700091SO 1998 7 17 AU980489 219980421G8530643767 GUIDE CESSNA182 182D 2072710CE CONT O470 O470L 17026SO NR 4 EXH VALVE WORN H K NONE O OTHER ININSP/MAINT 1 AUS (AUS) DURING PERIODIC INSPECTION, NR 4 CYLINDER COMPRESSION WAS 20/80. THE EXHAUST VALVE P/N 646286 WAS REMOVED AND FOUND TO BE WORN 0.203 MM (0.008 INCH) JUST ABOVE STEM NECK. THE VALVE GUIDE P/N 643767 WAS WORN 0.457 MM (0.018 INCH) AT THE LOWER HALF AREA. 1H71 3O3 ONT3A13 E273 19980717000931998071700093EA 1998 7 17 AU980491 219980418G8520STD1065 DOWEL PIPER PA28 PA28181 7102807SO LYC O360 O360A4M 41514EA CRANKSHAFT SHEARED H K NONE ERYVIBRATION/BUFFET PARTIAL RPM/PWR LOSS ENGINE STOPPAGE CRCRUISE 1 AUS 585 L1636736A L1636736A (AUS) CRANKSHAFT ACCESSORY DRIVE GEAR POSITIONING DOWEL SHEARED. AIRCRAFT SUFFERED A LOSS OF POWER AND WAS DAMAGED DURING A FORCED LANDING. ENGINE HAD SUFFERED A PROPELLER STRIKE PRIOR TO THE LAST OVERHAUL AT WHICH THE DOWEL PIN WAS INSPECTED BUT NOT REPLACED. 1L71 3O3 O 2A13 E286 19980717001001998071700100WP 1998 7 17 AU980498 119980404G6320STD2209 BOLT ROBSINR44 R44 7640120WP LYC O540 O540F1B5 41532EA ENGINE SEPARATED H K NONE E VIBRATION/BUFFET CRCRUISE 1 AUS L2518140A L2518140A (AUS) BOLT HEAD SEPARATED FROM THE SHANK. DOWEL PIN SHEARED. 1G71 3O3 O H11NM E295 19980717001011998071700101WP 1998 7 17 AU980499 119980426G6320A6881 SWITCH ROBSINR44 R44 7640120WP LYC O540 O540F1B5 41532EA M/R GRB TEMP FAULTY H K NONE N FALSE WARNING CRCRUISE 1 AUS (AUS) MAIN ROTOR GEARBOX TEMPERATURE SWITCH FAULTY. 1G71 3O3 O H11NM E295 19980717001061998071700106EA 1998 7 17 AU980504 219980504G7414M3333 IMPULSE COUPLINGSLICK 6351 LYC O540 O540A1D5 41532EA MAGNETO FAILED H K NONE O OTHER ININSP/MAINT 1 AUS 97061910 L1862640A (AUS) MAGNETO IMPULSE COUPLING PAWL RETAINING RIVETS LOOSE AND CLOSE TO FAILURE. 3 O E295 19980717001181998071700118WP 1998 7 17 AU980516 219980501G726131080261 PUMP SWRNGNSA227 SA227AC 8780603SW GARRTTTPE331TPE33111U 01514WP ENG OIL SCAV FAILED H K NONE EB VIBRATION/BUFFET SMOKE/FUMES/ODORS/SPARKS DEDESCENT 1 AUS P44005 (AUS) ENGINE TURBINE OIL SCAVENGE PUMP DRIVE GEAR TEETH MISSING. TURBINE SEAL AND TURBINE ALSO DAMAGED. 2L72 4T4 TRTA8SW E4WE 19980717001221998071700122NM 1998 7 17 AU980520 119980422G7931APT761000 TRANSDUCER DHAV DHC8 DHC8201 2809001NM PWA PW120 PW123 NE OIL SYS FAULTY H K NONE EK VIBRATION/BUFFET FLUID LOSS CLCLIMB 1 AUS 54782520 (AUS) LT ENGINE OIL PRESSURE TRANSDUCER FAULTY. 2H72 4T4 TRTA13NM E20NE 19980717001231998071700123EA 1998 7 17 AU980521 219980507G73203033260 PIPE BEECH 1900 1900C 1154161CE PWA PT6 PT6A65B 52043EA FUEL SYS FAILED H KE NONE ENGINE SHUTDOWN E VIBRATION/BUFFET DEDESCENT 1 AUS 1511 PCE32165 PCE32165 (AUS) LT ENGINE P3 DISCHARGE PIPE FRACTURED AT THE FLARED END ATTACHEDTO THE P3 FILTER. 2L72 4T4 TRTA24CE E4EA 19980717001241998071700124SO 1998 7 17 AU980522 119980513G71201178615 MOUNT PIPER PA22 PA22150 7102210SO LYC O320 O320A3B 41508EA ENGINE CRACKED H K NONE O OTHER ININSP/MAINT 1 AUS (AUS) TOP RT ENGINE MOUNT TUBE CRACKED IN AREA ADJACENT TO THE WELD. 1H71 3O3 O 1A6 E274 19980717001311998071700131NE 1998 7 17 AU980529 219980119G7250311983802 BOLT EMB 120 EMB120 3260201SO PWA 118 PW118A NE ENGINE CRACKED H K NONE O OTHER ININSP/MAINT 1 AUS 7126 PCE115622 (AUS) HIGH PRESSURE TURBINE DISC NR 5 BOLT CRACKED (VISIBLE TO THE NAKED EYE). THE REMAINING FOUR BOLTS WERE NDT INSPECTED WITH TWO BOLTS SHOWING CRACK INDICATIONS. FOUND DURING INSPECTION IAW PRATT AND WHITNEY CANADA SIL PW100-56. 2L72 4T4 TRTA31SO E20NE 19980717001381998071700138EA 1998 7 17 AU980536 219980513G8520LW12186 NUT LYC O540 LTIO540J2BD 41533EA ENGINE MISMANUFACTURED H K NONE W INADEQUATE Q C ININSP/MAINT 1 AUS (AUS) CONNECTING ROD NUT INCORRECTLY MACHINED AT FACTORY. 3 O E14EA 19980717001441998071700144EA 1998 7 17 AU980542 219980513G7414103910881 COIL BENDIX S1200 PIPER PA31 PA31 7103102SO LYC O540 TIO540A2C 41532EA MAGNETO FAILED H K NONE E VIBRATION/BUFFET ININSP/MAINT 1 AUS 5 (AUS) MAGNETO COIL CASE SHORT CIRCUITING TO MAGNETO FRAME. 1L72 3O3 O A20SO E14EA 19980717001481998071700148EA 1998 7 17 AU980547 219980429G7414M3485SLICK BEARING SLICK 4370 LYC O360 O360C1F 41514EA MAGNETO LOOSE H K NONE O OTHER ININSP/MAINT 1 AUS 92090338 (AUS) MAGNETO BEARING SPINNING IN CAP.