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 CA991028035Filter · mismanufactured(CAN) QUALITY CONTROL PROBLEM OF ONE FILTER IN STOCK BATCH.Oct 6, 1999 · Piper PA44180SDR 99ZZZX3817Sleeve · brokenREMOVED SUCTION SCREEN DURING OIL CHANGE AND FOUND TWO CHUNKS OF ALUMINUM TRAPPED BY SCREEN. INVESTIGATION FOUND THE PIECES HAD BROKEN OFF THE OIL RELIEF VALVE SLEEVE. REASON FOR FAILURE NOT DETERMINED. THERE IS NOT MUCH STRESS ON THIS PART.Sep 13, 1999 · N78676 · Cessna 172KSDR CA000824016Oil Filter · misinstalled(CAN) FOUND OIL FILTER HOUSING INSTALLED ON AIRCRAFT, 180 OUT. CAUSED AIRCRAFT ENGINEOIL TO OVER HEAT. THIS IS THE SECOND TIMEI I HAVE FOUND THIS PROBLEM. THERMO VALVE DOES NOT LINE UP WITH OIL COOLER PASSAGE. NO COOLING FOR OIL.Sep 8, 1999 · Mooney M20SDR AU990874Filter · contaminated(AUS) ENGINE OIL FILTER CONTAMINATED WITH FERROUS METAL PARTICLES. SUBMITTER SUSPECTED BEARING FAILURE.Aug 30, 1999 · Cessna 404CESSNASDR AU990818Hose · wrong part(AUS) PROPELLER GOVERNOR TO CRANKCASE OIL HOSE, INCORRECT PART. THE HOSE WAS AN AEROQUIP TYPE 303 HOSE AND WAS AN UNAPPROVED PART IAW AD/LYC/86 AMDT2.Aug 11, 1999 · Piper PA28R200SDR AU990793Filter · misinstalled(AUS) ENGINE OIL FILTER FAULTY. FILTER WAS INCORRECTLY LOCKWIRED. THE SEAL WAS ALSO PROTRUDING. THE THREADED INSERT HAD COME LOOSE AND SEPARATED FROM THE FILTER WHEN IT WAS REMOVED FROM THE ENGINE.Aug 10, 1999 · Piper PA23250SDR 99ZZZX3740Engine · leakingAPPROXIMATELY ONE HOUR OPERATION AFTER COMING OUT OF MAINTENANCE WHICH INCLUDED OIL AND OIL FILTER CHANGE AND REINSTALLING AN OVERHAULED PROP AND PROP GOVERNOR, THE ENGINE OIL PRESSURE DROPPED, ENGINE OIL PRESSURE DROPPED, ENGINE OIL EXITED, AND THE ENGINE SEIJul 6, 1999 · N1938Q · Cessna 177RGSDR AU990569Engine · overserviced(AUS) SMOKE IN COCKPIT. INVESTIGATION FOUND A SMALL QUANTITY OF OIL AROUND THE MUFFLER SHROUD. SUSPECT OIL HAD BEEN SPILT DURING ENGINE OIL TOP UP.May 8, 1999 · Parten P68BSDR 99ZZZX2390Scavenge Gear · failedTHE MPA RD4002 SCAVENGE PUMP GEAR FAILED. A GEAR TOOTH CAME OFF AND LODGED IN THE PUMP CAUSING THE PUMP TO SEIZE WHICH, IN TURN, CAUSED THE OIL TEMP LIGHT TO ILUMINATE AND THE FREQS TO FLUCTUATE. THE GEARS WERE REMOVED AND REPLACED. SUBMITTER IS REQUESTING Apr 28, 1999SDR 99ZZZX2391Scavenge Pump · seizedA PIECE OF METAL LODGED IN THE SCAVENGE PUMP CAUSING SEIZURE. THE SCAVENGE PUMP SEIZURE CAUSED HIGH OIL TEMPERATURE. THE PIECE OF METAL IN THE SCAVENGE PUMP WAS A GEAR TOOTH WHICH HAD SEPARATED FROM THE CHARGE PUMP GEAR. THIS GEAR HAS BEEN SENT TO A LAB TO Apr 22, 1999SDR 99ZZZX2384Scavenge Pump · seizedA PIECE OF METAL LODGED IN THE SCAVENGE PUMP CAUSED SEIZURE. THE SCAVENGE PUMP SEIZURE CAUSED HIGH OIL TEMPERATURE. THE PIECE OF METAL IN THE SCAVENGE PUMP WAS A GEAR TOOTH, WHICH HAD SEPARATED FROM THE CHARGE PUMP GEAR. THIS GEAR HAS BEEN SENT TO A LAB TO Apr 22, 1999SDR AU990337Filter · misinstalled(AUS) OIL FILTER NOT LOCKWIRED.Apr 12, 1999 · Cessna 152SDR 99ZZZX1947Filter · leakingROUTINE OIL CHANGE, FILTER STARTED LEAKING AT BASE. LOOKS LIKE CRACK OR SMALL PERFORATIONS WHERE HOUSING IS CRIMPED/WELDED TO END PLATE. INSPECTED INVENTORY, NONE OTHERS FOUND. (KEYSTONE AERIAL SURVEYS).Apr 12, 1999 · N69622 · Cessna 310QSDR WVBA00799Regulator · leakingOIL WAS OBSERVED ON SIDE OF COWLING ON POST-FLIGHT AND IN THE BOTTOM OF COWL. ALSO, AFTER REMOVING COWL, OIL WAS OBSERVED COMING FROM AROUND THE THREADS OF OIL PRESSURE REGULATOR. REGULATOR WAS REPLACED. (X)Apr 1, 1999 · N3527U · Piper PA31350SDR AU990373Filter · contaminated(AUS) ENGINE OIL FILTER CONTAMINATED BY METAL. LIMITED INFORMATION PROVIDED.Mar 23, 1999 · Cessna 210NSDR 99ZZZX1343Dip Stick Tube · separatedON BOTH ENGINES, THE DIP STICK TUBE HAS PULLED OUT OF THE ENGINE BLOCK. THE TUBE IS HELD BY A RUBBER TUBE AND CLAMPS. TT: 460.Mar 8, 1999 · N497MA · Piper PA34220TSDR 99ZZZX510Dipstick · brokenDIPSTICK BECAME SEPARATED FROM CAP ALLOWING THE DIPSTICK AND SPRING TO DROP INTO DIPSTICK TUBE. THERE ARE FOUR TUBES BUILT INTO THE CAP AND 3 OF THE 4 WERE BROKEN. THE NEW PART NUMBERED DIPSTICK IS MANUFACTURED TO ALLEVIATE THIS FROM HAPPENING AGAIN BY NOT Jan 7, 1999 · N711ED · Cessna T310RSDR 99ZZZX1192Separator Filter · mismanufacuredFOUND 3 OUT OF 4 NEW FILTERS SENT FROM CESSNA (NEW FILTERS) WITH AT LEAST ONE LOOSE RIVET. RIVETS FOUND BAD ARE NOT INSTALLED PROPERLY AND COULD POSSIBLY ENTER ENGINE AND CAUSE MAJOR DAMAGE, BETTER QUALITY CONTROL COULD REMEDY THIS PROBLEM WHICH IS QUITE SERIJan 3, 1999 · N414RM · Cessna 414ASDR 99ZZZX2032Breather · frozeBREATHER PIPE FROZEN. DID NOT HAVE SECONDARY HOLE, HIGH ENOUGH IN TUBE CAUSED SEAL TO BLOW OUT.Dec 21, 1998 · N7385W · Cessna 152SDR 99ZZZX2031Breather · frozeBREATHER PIPE FROZEN. DID NOT HAVE SECONDARY HOLE, HIGH ENOUGH IN TUBE CAUSED SEAL TO BLOW OUT.Dec 21, 1998 · N7385W · Cessna 152SDR AU981649Line · leaking(AUS) DURING FLIGHT, ENGINE WAS SHUT DOWN DUE TO LOSS OF ENGINE OIL PRESSURE. INVESTIGATION FOUND AN OIL PIPE LEAKING AS RESULT OF PIT HOLE CORROSION - PIPE RUBBING AGAINST THE SCAT HOSE APPEARS TO BE A POSSIBLE CAUSE.Dec 17, 1998 · Cessna 340ASDR CA981216002Drive · broken(CAN) THE REAR ENGINE HAD AN UNCOMMANDED SHUTDOWN IN-FLIGHT. THE AIRCRAFT LANDED WITH ONLY THE FRONT ENGINE OPERATING. INVESTIGATION FOUND THE ENGINE OIL PUMP DRIVE BROKEN.Dec 5, 1998 · Cessna 337FSDR 99ZZZX239Bearing · failedWHILE IN-FLIGHT, PILOT NOTICED SLIGHT VIBRATION COMING FROM THE ENGINE AND A DROP IN OIL PRESSURE STARTING TO OCCUR. PILOT OPTED FOR A PRECAUTIONARY LANDING. UPON COMPLETION, OIL PRESSURE NOTED TO BE AT 15 PSI WITH A LOUD SQUEAL COMING FROM THE ENGINE. PILONov 12, 1998 · N103WP · Hughes 269CSDR AU981405Line · mismanufactured(AUS) ENGINE OIL HOSE FLATTENED WHEN BENT (NOT EXCESSIVELY) AND WHEN STRAIGHTENED OUT AGAIN THE FLATTENED AREA REMAINED. HOSE APPEARS TO BE CORE WITH A SINGLE LAYER OF STAINLESS STEEL BRAIDING.Oct 23, 1998SDR 98ZZZX4264Scavenge Pump · seizedAIRCRAFT WAS AT CRUISE ALTITUDE OF 8,000 FEET EN ROUTE FROM HGR TO PTK. THE NR 2 ENGINE BMCP WENT TO ZERO ALTHOUGH ENGINE CONTINUED TO OPERATE. OIL QUANTITY DECREASED APPROXIMATELY 7 GALLONS IN 30 SECONDS. ENGINE WAS SHUT DOWN AND AIRCRAFT DIVERTED TO ERIE,Oct 13, 1998 · N3427 · Cvac 34032SDR 98ZZZX3872Gasket · failedRIGHT ENGINE LOST OIL PRESSURE. LANDED IN LAN. FOUND GASKET UNDER VACUUM PUMP BAD. REMOVED AND REPLACED GASKET. SERVICED WITH OIL. OPS CHECK GOOD.Sep 23, 1998 · N35453 · Piper PA31350SDR PNSA980905Breather · chafedOIL FILM DEVELOPED ON WINDSHIELD SHORTLY AFTER TAKEOFF. RETURNED TO BASE. FOUND CHAFED BREATHER. REPLACED TUBING.Sep 2, 1998 · N17481 · Gulstm G44SDR CA980909027Extension · improper part(CAN) AFTER ENGINE INSTALLATION, AN OIL LEAK WAS FOUND ON RUN-UP. INVESTIGATION FOUND THE WRONG OIL FILLER EXTENSION INSTALLED, RESULTING IN THE ENGINE BEING OVER SERVICED WITH OIL, THIS LEAD TO THE OIL LEAK. THE PROPER PART (P/N 74313) WAS INSTALLED.Sep 1, 1998 · Piper PA23250SDR CA980908008Hose · failed(CAN) THE OIL SUCTION HOSES COLLAPSED DURING OPERATION IN HIGH AMBIENT TEMPERATURES, AT HIGH POWER SETTINGS. NEW HOSES WERE INSTALLED AND PROBLEM REPEATED ITSELF AFTER A SHORT TIME. SUBMITTER STATED PROBLEM IS THAT HOSE MATERIAL IS QUITE FLEXIBLE AND SOFTENSAug 27, 1998SDR 98ZZZX3467Breather · chafedTHE CRANKCASE BREATHER TUBE P/N 620062007 CHAFES AGAINST CYLINDER NR 6 INDUCTION TUBE P/N 649266-1 AND IF LEFT UNCORRECTED WILL CHAFE A HOLE INTO THE TUBES. RECOMMEND ADDING ANTI-CHAFE MATERIAL TO BOTH TUBES.Aug 21, 1998 · N998EC · Mooney M20KSDR AU980949Pump · worn(AUS) ENGINE OIL PUMP GEAR BUSHES WORN CAUSING THE GEARS TO RUB AGAINST THE PUMP BODY AND CAUSE WEAR TO THE HOUSING.Aug 3, 1998 · Cessna U206CSDR 98ZZZX2688Oil Filter · defectiveOUTLET TUBE HAS BURRS ON INSIDE SURFACE FROM MACHINING OPERATION. BURRS ARE HAIR-LIKE AND EASILY DETACHED. FILTER INSPECTED PRIOR TO INSTALLATION AND NOT USED. BURR APPEARS TO HAVE BEEN CAUSED WHEN CUTTING TOOL WAS RETRACTED. TOOKMARK CONTAINING BURRS IS ONJul 8, 1998 · N4846D · Cessna 182ASDR 99ZZZX92Gear · failedWHILE IN-FLIGHT, OIL PRESSURE AND TACHOMETER DROPPED TO ZERO. WAS ABLE TO LAND ON PRIVATE GRASS STRIP WITHOUT INCIDENT. DETERMINED THE OIL PUMP DRIVE GEAR FAILED CAUSING FAILURE OF OIL PUMP, TACH DRIVE, AND ALTERNATOR GEAR. ON AN EARLIER DATE, FORCED TO MAKJun 25, 1998 · N24FC · Cessna R172ESDR AU980923Hose · failed(AUS) ENGINE OIL HOSE LOCATED ADJACENT TO THE EXHAUST PIPE FAILED DUE TO HEAT DETERIORATION.Jun 20, 1998 · Cessna 421CSDR AU980764Hose · leaking(AUS) RIGHT ENGINE OIL PUMP OUTLET TO OIL FILTER HOSE LEAKING FROM HOSE FITTING.Jun 20, 1998 · Cessna 421CSDR 98ZZZX3035Hose · collapsedIN CRUISE FLIGHT, ENGINE BEGAN TO RUN ROUGH. THE PILOT NOTED LOST OIL PRESSURE. HE CONTACTED ATC WHO DIRECTED HIM TO NEAREST AIRPORT. THE ENGINE KEPT DETERIORATING AND WHEN PILOT HAD THE FIELD MADE, SHUT ENGINE DOWN TO AVOID A CATASTROPHIC FAILURE. ACFT LAJun 18, 1998 · N4542L · Gulstm AA5BSDR 98ZZZX2181Oil Filter · failedINSIDE PARTS OF CHAMPION OIL FILTER P/N CH48110 AND S/N F10H141 LOOSE, RATTLES WHEN SHAKEN.May 27, 1998SDR AU980660Hose · burnt(AUS) FLEXIBLE OIL SUPPLY LINES TO TURBOCHARGER AND OIL PRESSURE HOSE BURNT DUE TO BEING ROUTED UNDER THE REAR EXHAUST PIPE. ONE HOSE HAD BEEN BURNT SUFFICIENTLY FOR OIL LEAKAGE TO OCCUR.May 15, 1998 · Cessna 210MSDR 98ZZZX2048Oil Jet · faultyREPETITIVE 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 OFApr 24, 1998 · N621CA · Piper PA46350PSDR 98ZZZX2032Driven Gear · wornPILOT REPORTED TACH INOPERATIVE AND LOSS OF OIL PRESSURE. INSPECTION REVEALED THE OIL PUMP DRIVE GEAR ASSY SHAFT HAD SHEARED AT POINT OF ENGAGEMENT TO THE CAMSHAFT GEAR AND SUBSEQUENT TACH INDICATION AND OIL PRESSURE LOSS OCCURRED. FURTHER INSPECTION OF THE Apr 20, 1998 · N745CA · Cessna 421CSDR AU980403Pump · seized(AUS) ENGINE OIL PUMP SEIZED. SECONDARY DAMAGE CAUSED TO THE REST OF THE ENGINE.Apr 7, 1998 · Cessna 404CESSNASDR 98ZZZX1660T-Fitting · crackedINSPECTION 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 BRASSApr 1, 1998 · N3341U · Cessna 182FSDR AU980275Filter · contaminated(AUS) ENGINE OIL FILTER CONTAMINATED WITH METAL.Mar 16, 1998 · Piper PA31350SDR CA960223013Oil Pump · cracked(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/Mar 12, 1998 · Cessna 172LSDR CA980325001Spring · broken(CAN) OIL PUMP SPRING BROKE INTO 5 PARTS DURING FLIGHT. THIS RESULTED IN A DROP IN OIL PRESSURE OF APPROXIMATELY 8-10 PSI, WHICH REMAINED LOW. AS THIS SPRING WAS FROM OLD MILITARY STOCK, DATED 1970, IT WILLBE SENT FOR ANALYSIS TO TRY AND DETERMINE THE CAUSE OFMar 5, 1998 · Cessna 305ASDR 98ZZZX1518Oil Pump · wrong gearsANNUAL 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 AMar 1, 1998 · N7255L · Gulstm AA1ASDR 98ZZZX2033Driven Gear · seizedPILOT 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 INDICAFeb 20, 1998 · N745CA · Cessna 421CSDR 98ZZZX1142Line · blockedENGINE 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 197Feb 12, 1998 · N39058 · Gulstm AA1CSDR 98ZZZX1032Filter · malfunctionedFILTER 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. Feb 6, 1998 · N9VZ · Piper PA44180SDR 98ZZZX874Pump · failedFOLLOWING TAKEOFF, AIRSPEED SLOWED. REAR ENGINE INSTRUMENTS INDICATED ENGINE WAS LOSING POWER. OIL PRESSURE WAS DROPPING AND THE PROPELLER WENT INTO FEATHER. THE ENGINE WAS SHUT DOWN AND A LANDING WAS MADE. AN INSPECTION OF THE ENGINE DETERMINED THE OIL PUFeb 5, 1998 · N132CM · Cessna 337H
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