JASC 8550

Service difficulty reports · 669

Reports filed under 8550 · Reciprocating Engine Oil System, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '8550'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2002FA0000540Oil Filter · mismanufacturedDURING A PREINSTALLATION INSPECTION ON A MFG. SPIN ON OIL FILTER THE CENTER ATTACH STUD WAS FOUND TO BE ONLY FINGER TIGHT. THIS DEFECT COULD HAVE CAUSED LOSS OF ENGINE OIL AND POSSIBLY ENGINE FAILURE IF THE DEFECT GOES UNDETECTED.Apr 2, 2002SDR 2002FA0000551Gasket · failedDURING CRUISE FLIGHT LOST OIL PRESSURE INDICATION, MADE A PRECAUTIONARY LANDING ON A SNOW COVERED REMOTE RUNWAY, AIRCRAFT NOSED DOWN AND HAD A PROP STRIKE, BENDING BLADES. THE MECHANIC REMOVED THE ENGINE, DISCOVERED THE LOWER VACUUM PUMP GASKET WAS BLOWN OUT.Apr 1, 2002 · N7254H · Cessna 206HSDR AUS20020330Line · loose(AUS) CRANKCASE OIL PRESSURE LINE LOOSE.Mar 28, 2002 · Cessna U206GSDR CA020307015Gear · broken(CAN) PILOT RETURNED TO BLOCKS AND SHUT ENGINE DOWN AFTER NOTICING THAT THE RPM GAUGE WAS UNSERVICABLE. UPON FURTHER INSPECTION FOUND THAT THE UPPER OIL PUMP GEAR, WHICH IS ALSO THE TACHOMETER DRIVE SHAFT. HAD SPLIT. THE PIECE WAS RECOVERED. AND THE GEAR / SHMar 4, 2002 · Cessna 150LSDR 2002FA0000217Line · wornENGINE LOST OIL PRESSURE IN CRUISE FLIGHT. THE PILOT MADE AN UNSCHEDULED LANDING. INVESTIGATION REVEALED THAT THE OIL FILLER CAP HAD COME OFF AND THE ENGINE LOST OIL. THE INTERNAL AREA OF THE OIL FILLER TUBE HAD WORN AND WOULD NO LONGER PUT SUFFICIENT PRESSFeb 15, 2002 · N113VK · Piper PA28R201TSDR CA020226004Fitting · fractured(CAN) GEARBOX LOW OIL PRESSURE LIGHT CAME ON, ENGINE SHUTDOWN AND AIRCRAFT LANDED. GEARBOX OIL LEVEL FOUND LOW BUT STILL ON DIP STICK. OIL LEAK TRACED TO FAILED FITTING ON SUPERCHARGER. UNIT HAS OVERHAUL LIFE OF 2,500 HOURS. LINE IS PRESSURE CHECKED (LOW PRESSFeb 14, 2002 · Gulstm G159SDR 2002FA0000096Engine · leakingENGINE DEVELOPED OIL LEAK AT THE TOP OF THE CASE NEAR THE ACCESSORY CASE. LEAK BEGAN DURING INITIAL ENGINE RUN. LEAK IS APPX 1/8 QT PER 6 HRS. LEAK COULD NOT BE FIXED WITHOUT REMOVING ENGINE.Dec 10, 2001 · N999TE · Amrgen AG5BSDR 2001FA0000551Adapter · defectiveNO OIL PRESSURE UPON ENGINE START UP. OIL PUMP, SUCTION TUBE, AND CONNECTIONS CHECKED OK. REMOVED FILTER ADAPTER, INSTALLED FILTER SCREEN ENGINE HAD PROPER OIL PRESSURE. NO APPARENT DAMAGE TO FILTER ADAPTER.Nov 14, 2001 · N7179E · Cessna 182BSDR 2001FA0000532Dipstick · brokenFAILURE OF OIL DIPSTICK AT ATTACHMENT LOCK NUT CAUSING LOSS OF OIL AND LOWER THAN NORMAL OIL PRESSURE.Nov 8, 2001 · N43SA · Cessna 550SDR AUS20011182O-Ring · failed(AUS) RT ENGINE UPPER APC OIL FITTING O' RING SEAL FAILED AND LEAKING.Nov 6, 2001 · Cessna 402BSDR 2001FA0000537Housing · crackedUPON DIASSEMBLING THE OIL PUMP, A MINIMUM OF 4 CRACKS WERE FOUND EMANATING RADIALLY FROM THE IMPELLER SHAFT BORE EXTENDING THROUGH THE PUMP BODY. NO EVIDENCE OF FOREIGN OBJECTS PASSING THROUGH THE PUMP GEARS WAS FOUND.Oct 19, 2001SDR 2001FA0000402Oil Filter · chafedAIRCRAFT EXPERIENCED AT TOTAL ENGINE FAILURE DUE TO LOSS OF OIL PRESSURE. THE CAUSE WAS TO A B-NUT ON A T-FITTING LOCATED ON THE METERED PRESSURE TEST PORT FOR THE THROTTLE BODY HAD WORN A HOLE THRU THE OIL FILTER HOUSING. THE THROTTLE HOUSING IS MOUNTED ON Oct 2, 2001 · N14EX · Extra EA400SDR KBMA111940Filter Element · inoperativeEXTERIOR OIL FILTER BYPASS INDICATOR POPPED. INDICATOR HAS BEEN REPLACED-CALL IN TO MFG ABOUT FACET FOR TROUBLESHOOTING. INSTALLED NEW OIL FILTER.Sep 26, 2001 · N115SH · Snias AS350B2SDR 2001FA0000252Housing · galledWHEN COMPLYING WITH AD, OIL PUMP IMPELLERS, S1B524, FOUND OIL PUMP BODY GALLED DUE TO FOREIGN MATERIAL PASSING THROUGH OIL PUMP ASSEMBLY. REPLACED OIL PUMP BODY WITH NEW PART. (PHOTOS ATTACHED)Aug 14, 2001 · N9240M · Mooney M20ESDR 2001FA0000251Impeller · damagedOIL PUMP IMPELLERS S1B 524, FOUND OIL PUMP GEARS TO BE STEEL TYPE BUT NO DOCUMENTATION AS TO WHAT PN THE GEARS WERE. FOUND GEARS HAD FOREIGN MATERIAL HAD PASSED THROUGH THE OIL PUMP. OIL PUMP GEARS WERE NOT AIRWORTHY REGARDLESS OF PART NUMBERS. INSTALLED IMAug 14, 2001 · N9240M · Mooney M20ESDR 2002FA0000105Housing · fracturedON FINAL APPROACH, CREW NOTICED OIL LEAKING FROM LEFT ENGINE COWL. OIL PRESSURE AND TEMPERATURE WERE INDICATING NORMAL. CREW SHUT DOWN LEFT ENGINE AS A PRECAUTION AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND SCAVENGE PUMP HOUSING FRACTURED AND LEAKING. TAug 10, 2001 · N121PB · Cessna 402CSDR 2001FA0000198Line · defectiveOIL PRESSURE LINE-NR 3 CONNECTING ROD BROKE AT CRANKSHAFT. ROD PROTRUDED THROUGH ENGINE CASING. SERVICE INSTRUCTION ADDRESSES SUBJECT OIL LINES TO BE INSPECTED FOR KINKS AND SHARP BENDS. ALSO, NONCOMPLIANCE COULD RESULT IN ENGINE DAMAGE. SUSPECT OIL MAY HAJun 16, 2001 · N442PC · Diamon DA20A1SDR 2001FA0000197Line · brokenOIL SUCTION LINE/ NR 3 CONNECTING ROD BROKE AT CRANKSHAFT. ROD PROTRUDED THROUGH ENGINE CASING. SB ADDRESSES SUBJECT OIL LINES TO BE INSPECTED FOR KINKS AND SHARP BENDS. ALSO, NONCOMPLIANCE COULD RESULT IN ENGINE DAMAGE. SUSPECT THAT OIL MAY HAVE BEEN RESTJun 16, 2001 · N442PC · Diamon DA20A1SDR 2001FA0000682Cover · failedWHILE AIRCRAFT WAS IN FLIGHT ALL ENGINE OIL WAS PUMPED OVERBOARD CAUSING CATASTROPHIC ENGINE FAILURE. LOSS OF ENGINE OIL WAS DUE TO FAILURE OF THREADS ON MAGNESIUM CRANKCASE COVER ASSEMBLY. THE THREADS FAILED WHERE THE OIL FILTER ADAPTER THREADS INTO THE CRAJun 14, 2001 · N2432B · Swftms GC1BSDR 2001FA0000261Screen · crushedMETAL IN FILTER. FOUND SCREEN CRUSHED (FROM FACTORY BUILDUP) ALLOWED METAL TO CONTAMINATE ENGINE.Jun 13, 2001 · N4250Q · Cessna 172LSDR AUS20010587Drain Valve · cracked(AUS) ENGINE OIL DRAIN VALVE SHAFT CRACKED RADIALLY. OIL LEAKING ON SHUTDOWN.Jun 4, 2001 · Cessna 207SDR 2001FA0000041Sump · failedINDUCTION TUBE ATTACHED TO OIL SUMP BECAME LOOSE CAUSING ROUGH RUNNING ENGINE. ENGINE OIL SUMP REPLACED TO CORRECT PROBLEM.May 24, 2001 · N4596P · Cessna 152SDR 2001FA0000030Tube · looseINDUCTION TUBE ATTACHED TO OIL SUMP BECAME LOOSE CAUSING ROUGH RUNNING ENGINE. ENGINE OIL SUMP REPLACED TO CORRECT PROBLEM.May 24, 2001 · N4596P · Cessna 152SDR 2001FA0000181Gasket · defectiveAD 200-18-23 WAS C/W BY INSTALLING NEW GASKET PT 06B23072 UNDER OIL FILTER ADAPTER PLATE. WITHIN 34 HOURS, GASKET BLEW OUT AND ALL THE OIL WAS BLOWN OUT. AIRCRAFT RETURNED TO AIRPORT SAFELY. INSPECTION OF GASKET REVELED THAT THE RUBBER GASKET HAD DISSOLVED May 16, 2001 · N737TC · Cessna 172NSDR 2001FA0000063Gasket · failedAD2000-18-23 WAS C/W BY INSTALLING NEW GASKET PT NR 06B23072 UNDER 34 HOURS, GASKET BLEW OUT AND ALL THE OIL WAS BLOWN OUT. AIRCRAFT RETURNED TO AIRPORT SAFELY. INSPECTION OF GASKET REVELED THAT THE RUBBER GASKET HAD DESOLVED AND BECAME VERY SOFT. A NEW GAMay 16, 2001 · N737TC · Cessna 172NSDR AUS20010408Filter · faulty(AUS) ENGINE OIL FILTER ELEMENT END CAP MISSING.May 10, 2001 · Cessna 402CSDR AUS20010416Filter · contaminated(AUS) METAL CONTAMINATION OF THE REAR ENGINE OIL FILTER. SUSPECT MAIN BEARING FAILURE.May 4, 2001 · Cessna 337SDR 20010430CW004Engine · lack of lubeOWNER DISCOVERED A GREAT LOSS OF ENGINE OIL, FOLLOWING A COLD WEATHER FLIGHT. TEMPERATURE WAS 40 DEGREES C/F. AIR/OIL SEPARATOR INSTALLED PRIOR TO RECENT CYLINDER REPLACEMENT.Apr 30, 2001 · N732UH · Cessna T210MSDR AU010371Seal · deteriorated(AUS) ENGINE OIL FILTER CONVERTER PLATE SEAL DETERIORATED. REFER TO AD/LYC105.Apr 18, 2001 · Piper PA31350SDR 20010507CW001Separator · contaminatedOIL FILTER INSPECTION REVEALED EXCESSIVE AMOUNT OF CONTAMINATION. INVESTIGATION REVEALED AIR/OIL SEPERATOR INTERNAL SCREEN COMING APART. YEARS OF VIBRATION MAY HAVE CAUSED SCREEN SEPARATION. FACTORY RECOMMENDS 100 HOURS CLEANING. THERE IS NO WAY TO INSPECTApr 5, 2001 · N3495S · Cessna 182HSDR CA010529007Tube · bent(CAN) ENGINE SUMP WAS REQD TO BE REMVD FROM ENGINE TO FACILITATE CYLINDER REMOVAL. UPON REMOVAL OF SUMP, IT WAS DISCOVERED THAT DAMAGE HAD OCCURRED TO OIL TRANSFER TUBES FROM SUMP TO CRANKCASE. THIS HAD BEEN CAUSED BY IMPROPER ASSY OF ENGINE AT AN EARLIER REPAMar 27, 2001 · Namer HARVARDMK4SDR 20010425CW010Filter · chippedPILOT REPORTED LOW OIL PRESSURE AND HIGH TEMPERATURES. INVESTIGATION REVEALED METAL PIECES HOLDING OPEN THE OIL TEMPERATURE CONTROL VALVE. THE METAL PIECES WERE TRACED TO THE OIL FILTER. UPON REMOVING THE TOP FROM THE OIL FILTER WE OBSERVED PIECES MISSING FMar 22, 2001 · N1563L · Beech 58PSDR 20010305CW014Oil Filter · flakingUPON INSPECTION OF OIL FILTER AFTER 50 HRS USAGE, FILTER HOUSING DISASSEMBLED FOR INSPECTION AND GASKET / GLUE TYPE MATERIAL NOTED AT MATING FLANGES INSIDE. THIS MATERIAL NOTED IN FILTER ASSEMBLIES NUMBEROF TIMES AND ALSO DRAINED FROM OIL SUMPS, RECOMMEND MMar 5, 2001 · N737MP · Cessna 172SDR NX4200315Pump · defectiveWHEN REASSEMBLING THE OIL PUMP, IT WAS NOTED THAT DESPITE ATTEMPTS TO CENTER THE OIL PUMP BODY, THE IMPELLERS WOUL BIND WITH TORQUE APPLIED TO THE HOUSING. ALL DIMENTIONAL INSPECTIONS WERE WITHIN LIMITS. THE PROBLEM DISAPPEARED AFTER REPLACING THE COMBINATIOFeb 7, 2001SDR AU010077Gear · faulty(AUS) ENGINE OIL SCAVENGE PUMP GEAR FAULTY. ROCKWELL HARDNESS TEST GAVE A READING OF 34 WHICH IS BELOW SPECIFICATION.Feb 6, 2001SDR AU010104Baffle · loose(AUS) ENGINE SUMP BAFFLE RIVET MISSING. THREE REMAINING RIVETS LOOSE. METAL IN OIL SYSTEM CAME FROM WORKING RIVETS.Feb 2, 2001 · Piper PA31350SDR CA010214009Adapter · broken(CAN) OIL FILTER ADAPTER WAS FOUND LOOSE DURING OIL FILTER REMOVAL. THIS PART IS SUBJECT TO INSPECTION IN ACCORDANCE WITH AD 96-12-22. ADAPTER WAS REMOVED AND SOME THREADS WERE BROKEN OR MISSING. NEW ADAPTER WILL BE INSTALLED.Jan 31, 2001 · Cessna 210LSDR 20010129CW004Gasket · cutGASKET FOUND CUT UPON REMOVAL. POSSIBLY DUE TO INSTALLATION PROCEDURE. RECOMMEND MORE CARE IN INSTALLING ADAPTER PLATE TO PREVIENT COCKING ON INSTALLATION. MAKE SURE GASKET IS CENTERED ON PLATE.Jan 4, 2001 · N35805 · Piper PA31350SDR CA010110009Engine · failed(CAN) ON CLIMB OUT FROM YXD, THE PILOTS NOTICED FLAMES FROM INSIDE THE ENGINE COWL ACCESS DOOR ON RT ENGINE. FOLLOWING FLIGHT MANUAL PROCEDURES, THEY THEN SHUT DOWN THE ENGINE AND FEATHERED THE PROPELLER. THEY THEN MADE AN UNSCHEDULED LANDING IN YEG WHERE MAIDec 15, 2000 · Piper PA31SDR 20010205CW021Tube · misinstalledAC RETURNED TO AIRPORT DUE TO NOTICEABLE OIL LEAKAGE APPEARING ON LEFT WING AND COWLING. 4 QUARTS OF OIL MISSING WHEN MAINTENANCE CK ENGINE. FOUND OIL DIPSTICK TUBE HAD BEEN IMPROPERLY SAFETIED AND LOOSENED, ALLOWING OIL TO ESCAPE. OTHER ENGINE TUBE WAS ALDec 12, 2000 · N4048P · Piper PA23160SDR AU001156Pump · fod(AUS) FOREIGN OBJECT DAMAGE TO ENGINE OIL PUMP. INSPECTION FOUND THAT A SMALL LOOP OF SPRING LIKE STEEL HAD ENTERED THE OIL PUMP ANDJAMMED TO PUMP GEARS CAUSING THE DRIVESHAFT TO SHEAR. INSPECTIONOF THE FOREIGN MATERIAL HAS DETERMINED THAT IT IS NOT FROM ACOMPDec 5, 2000 · Pac CT4BSDR AU001161Gasket · deteriorated(AUS) ENGINE OIL FILTER CONVERTER PLATE GASKET DETERIORATED AND EXTRUDED. ENGINE OIL LEAKING. FOUND DURING INSPECTION IAW AD/LYC/105.Nov 30, 2000 · Piper PA31350SDR CA001201019Oil Filter · contaminated(CAN) DURING 100 HOUR INSPECTION, NON MAGNETIC MATERIAL WAS FOUND IN OIL FILTER.AN ACID TEST WAS CARRIED OUT ON THE MATERIAL FOUND IN OIL FILTER AND WAS FOUND TO BE SHINNY, NON ALUMIUM AND NON FERROUS. 2000-12-07 TC: EXPECT FOLLOW-UP FROM SUBMITTER WHEN IT BECNov 6, 2000 · Robsin R44SDR 20001019SH027Gasket · leakingDURING ROUTINE MAINTENANCE, FOUND OIL FILTER CONVERTER GASKET LEAKING. AD 2000-18-53 DID NOT APPLY DUE TO INSTALLATION DATE OF GASKET (12-18-97 OVERHAUL DATE). GASKET REPLACED WITH CHAMPION GASKET PN CH48211. RUN AND LEAK CHECK GOOD. OLD GASKET DID NOT APPSep 29, 2000 · N66340 · Beech 76SDR 20001010SH001Sump · looseON PREFLIGHT, PILOT NOTICED OILY RESIDUE ON OIL SUMP. DURING A SCHEDULED OIL CHANGE, OWNER/PILOT DISCOVERED ONE OF THE FOUR BRACES THAT EXTEND FROM THE SOIL SUMP FLANGE TO THE SUMP BODY HAD CRACKED PLACING ADDITIONAL STRESS ON THE REMAINING BRACES. THIS FAILSep 29, 2000 · N18640 · Cessna 150LSDR AU001033Gasket · faulty(AUS) ENGINE OIL FILTER CONVERTER PLATE GASKET FAULTY. GASKET WAS SWOLLEN AND SPONGY IN APPEARANCE. (X)Sep 25, 2000 · Piper PA31350SDR 20001031SH017Spring · brokenPILOT REPORTED THAT OIL PSI WAS LOW AS HE REDUCED POWER FOR LANDING. THE SPRING BROKE DUE TO RUBBING ON THE INSIDE OF THE RELIEF VALVE PISTON. (X)Sep 25, 2000 · N13AG · Piper PA34200TSDR CA001102011Line · sheared(CAN) A MISSION HAS BEEN ABORTED DUE TO IMPORTANT OIL LEAK FROM THE ENGINE FRONT CASE ASSEMBLY. AFTER AN INVESTIGATION, IT WAS FOUND THAT THE UPPER OIL TRANSFER TUBE PORT THREADS ON THE FRONT CASE DAMAGED AND HAD ITS PLUG LOOSENED THAT CAUSED AN EXCESSIVE OILSep 22, 2000 · Cndair CL2151A10SDR 20001120SH063Plug · missingAIRCRAFT WAS FLYING FROM TULSA TO SILOAM SPRINGS, 8 MILES FROM SILOAM SPRINGS AIRPORT, PILOT REPORTED THE ENGINE OIL PRESSURE WAS FLUCTUATING FROM ZERO TO 60 PSI. THE ENGINE THEN STARTED TO VIBRATE SEVERELY BEFORE THE ENGINE COMPLETELY STOPPED. UPON INSPECTISep 22, 2000 · N82149 · Cessna 172NSDR CA001018007Gasket · deteriorated(CAN) OIL FILTER ADAPTER REMOVED FOR INSPECTION OF GASKET IN RESPONSE TO EMERGENCY AD 2000-18-53 AND FOUND GASKET TO BE IN A MUSHY, SOFT DETERIORATING CONDITION, RATHER THAN THE FIRM RUBBER IT IS SUPPOSED TO BE LIKE.Sep 21, 2000 · Piper PA44180
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