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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR B3OR2003002Dipstick · brokenAFTER THE SECOND GROUND RUN, AND DURING A PRE-RUN CHECK FOR A THIRD GROUND RUN, A MECHANIC REMOVED THE OIL FILLER CAP/DIPSTICK AND DISCOVERED THAT THE DIPSTICK HAD BROKEN OFF FROM THE OIL FILLER CAP. THE OIL WAS DRAINED FROM THE ENGINE, AND A BORESCOPE WAS USESDR 2003FA0000468Collar · misalignedIN ASSEMBLING A NEW STANDARD GOVERNOR OIL TRANSFER COLLAR TO THE CRANKSHAFT IT WAS FOUND TO BIND ON THE JOURNAL. PRIOR TO DISASSEMBLING THE COLLAR HALVES THE INSIDE DIAMETER WAS NOTED TO BE SMOOTH AND COLLAR TO JOURNAL CLEARANCE WITHIN NEW LIMITS. ONCE THE CSDR 5906LHose · separatedTHE 111-6 HOSE ASSEMBLY ORIGINALLY MANUFACTURED IN 1996 BY MFG WAS OVERHAULED/REPAIRED BY UNKNOWN PERSONS ON 7-02 AS STATED IN OWNERS ENGINE LOG BOOK ENTRY AND STAMP IMPRESSIONS DATED ON ORIGINAL TAG. THE ORIGINAL HOSE ASSEMBLY WAS TAKEN APART AND A NEW HOSE SDR CTU2003F00005O-Ring · leakingO-RING FAILED TO SEAL PROPERLY ALLOWING OIL TO LEAK AT THE OIL FILTER ADAPTER TO ENGINE ATTACHMENT. CAUSE OF THE FAILURE COULD BE ATTRIBUTED TO O-RING TOTAL TIME. ALL WORK WAS DOEN IAW MM AND INSTRUCTIONS CONTAINED IN AD 96-12-22.SDR CA030331002Oil Filter · leaking(CAN) NEW FILTER INSTALLED ON ABOVE AIRCRAFT HAD SEVERE OIL LEAK. LEAK BELIEVED TO BE COMING FROM ROLLED SEAM AT BASE OF FILTER. FILTER REMOVED AND NEW FILTER INSTALLED AND TESTED.SDR 2003FA0000521Filter · damagedUPON INSTALL, OIL FILTER SCREEN WAS REMOVED TO DRAIN OIL, WAS FOUND, INSTALLED IMPROPER, WAS CRUSHED ON ONE END. OIL FILTER BASE ASSY WAS REMOVED TO AID IN INSTALL OF AN OIL LINE, GASKET WAS FOUND INSTALLED BACKWARDS, PARTIAL BLOCKAGE OF OIL PORTS. INSTALLEDSDR HYI2003F00004Pin · shearedTACHOMETER INOPERATIVE, RT DRIVE GEAR DOWEL PIN BROKE ON OIL PUMP GEAR. REMOVED OIL PUMP HOUSING COVER, REPLACED DRIVE PIN AND REINSTALLED COVER.SDR 2003FA0000332Plug · undertorquedCOMPLIANCE WITH MFG SB 555, OIL PUMP BODY PLUG INSPECTION, BOTH ENGINES CHECKED AND FOUND UNDERTORQUED. RETORQUED IAW SB. RETURNED TO SERVICE WITHOUT INCIDENT. (SHOULD MAKE MANDITORY AD)SDR 11447Baffle · crackedPN LW13383 SUMP BAFFLE WAS FOUND CRACKED AT THE 6 ATTACHING SCREWS. A FEW OF THE SCREW HOLES WERE COMPLETELY BROKE ALL THE WAY AROUND THE SCREW AND WASHER.SDR AUS20030063Screw · loose(AUS) ENGINE OIL PUMP BODY 'ALLEN' SCREW LOOSE. FOUND DURING INSPECTION IAW LYCOMING SB/555.SDR AUS20030008Control Valve · jammed(AUS) AFTER FIVE MINUTES OF AEROBATICS A LOW OIL PRESSURE INDICATIONWAS NOTED. GROUND CHECK FOUND THE ENGINE OIL QUANTITY OK. ONREMOVAL OF THE AEROBATIC OIL SYSTEM VALVE ASSEMBLY BOTTOM PLUG A1/4IN UNC SCREW WITH ATTACHED LOCKWASHER WAS FOUND. SUSPECT SCREW WASDR ABXA030001Filter · leakingWHILE CLIMBING THRU 14,000 FT, LEFT OIL PRESSURE LOW LIGHT CAME ON. OIL PRESSURE SHOWED ABOUT 15 PSI. OIL QUANTITY RAPIDLY DECREASED TOWARDS ZERO. SHUT DOWN THE LT ENGINE. INSPECTED AND FOUND NR 1 ENGINE OIL FILTER HOUSING HAD 1 EA. STUD PULLED LOOSE, OIL DISPSDR 2003FA0000004Oil Filter · burstAFTER STARTING ENGINE AND PERFORMING A ROUTINE WARM UP. PILOT NOTICED OIL PRESSURE DROPPING. AFTER SHUTDOWN, THE OIL FILTER WAS SHOWN TO HAVE PARTIALITY BLOWN OPEN AT THE BASE WHERE IT IS CRIMPED. ALSO THE PRESSURE RELIEF VALVE WAS FOUND TO HAVE 14 WASHERS UNDSDR AUS20021446Housing · cracked(AUS) ENGINE OIL FILTER HOUSING CRACKED FROM BOLT HOLE. SUSPECT CAUSEDBY OVERTORQUING.SDR AUS20021441Seal · failed(AUS) REMOTE OIL FILTER ADAPTER SEAL FAILED. LOSS OF ENGINE OIL. FILTER IS MOUNTED ON FIREWALL.SDR HYI2003F00002Line · chafedCREW FOUND LT ENGINE OIL LEAK ON PORT FLIGHT INSPECTION. MECHANIC FOUND INTAKE BALANCE TUBE FLEX HOSE DATA TAG CHAFING ON OIL PAN. MECHANIC REMOVED AND REPLACED OIL PAN AND FLEX HOSE AND RETURNED AIRCRAFT TO SERVICE. FLEX LINE LENGTH WAS SHORTENED BY MANUFASDR 2002FA0001399Nut · looseLARGE LOCKNUT ON OIL FILTER ADAPTER CAME LOOSE AND OIL WENT OVERBOARD AND THE ENGINE SEIZED. THE AIRCRAFT LANDED IN A FIELD. THE SAFETY WIRE WAS STILL ATTACHED.SDR CA030228014Oil Filter · clogged(CAN) OIL PRESSURE FLUCTUATION IN FLIGHT. FOUND OIL FILTER PLUGGED WITH CARBON. OIL FILTER REPLACED.SDR ALGA081570Housing · corrodedOIL PUMP HOUSING HAS CORROSION IN FWD AND AFT GEAR BORES, AND OIL PORT.SDR DDER146DGasket · damagedFOUND OIL FILTER CONVERTER GASKET LEAKING. UPON REPLACEMENT IT WAS NOTICED TO BE DAMAGED.SDR CA021120001Screen · destroyed(CAN) DURING OPERATION 1 INSPECT, NON FERROUS METAL FOUND IN LT OIL FILTER AND SCREEN. INSPECTED FILTER AGAIN IN 20 HOURS. IN LESS THAN 15 HOURS OIL WAS DRIPPING ONTO LT MLG. PAINT REMOVED FROM CRANKCASE FWD OF ALTERNATOR, CRACK WAS CONFIRMED BY DEVELOPER. ESDR 2002FA0001345Screen · missingOIL SCREEN MISSING FROM HOUSING. MISSING INSPECTORS.SDR CA021115002Oil Filter · separatedCAN- OIL PRESSURE WAS FLUCTUATING ON START. PRESSURE RELIEF VALVE WAS INSPECTED & FOUND TWO PIECES OF 3/8 TO 1/2 INCH RUBBER (FROM THE OIL FILTER) WAS FOUND IN THE BAY & SEAT AREA. OIL FILTER REMOVED FOR INSPECTION, WAS SHOWING EVIDENCE OF RUBBER PART DETERIOSDR 2002FA0001246Bolt · mismanufacturedCRANKCASE UPPER TIE BOLT THREADS WERE NOT CUT PROPERLY. THEY HAD A FLAT PROFILE LIKE THE THREADS WERE NOT CUT DEEP ENOUGH. CONDITION DISCOVERED WHEN ATTEMPTING TO INSTALL NUTS ON THE BOLT.SDR NACA20020055Gasket · looseNR 3 ENGINE SHUT DOWN ON GROUND AFTER LANDING DUE TO OIL LOSS. RESEALED AND RETORQUED OIL PRESSURE RELIEF VALVE, LEAK CHECK GOOD.SDR AUS20021380Dipstick · distorted(AUS) ENGINE OIL DIPSTICK BENT, GIVING AN INCORRECT READING OF OILQUANTITY. SUSPECT CAUSED BY BENDING THE DIPSTICK WHILE WIPING OFF THE OIL. BENT DIPSTICK CAN ALSO WEAR ON THE BOTTOM OF THE SUMP.SDR 2002FA0001184Collar · distortedIN ASSEMBLING A NEW STANDARD GOVERNOR OIL TRANSFER COLLAR TO THE CRANKSHAFT IT WAS FOUND TO BIND ON THE JOURNAL. PRIOR TO DIASSEMBLING THE COLLAR HALVES THE INSIDE DIAMETER WAS NOTED TO BE SMOOTH AND COLLAR TO JOURNAL CLEARANCE WITHIN NEW LIMITS. ONCE THE COSDR AUS20021159Dipstick · faulty(AUS) ENGINE SUMP WORN INTERNALLY BY DIPSTICK ROD. DEPTH OF WEAR GROOVE APPROXIMATELY 0.635MM (0.025IN). THICKNESS OF SUMP SKIN 1.27MM (0.050IN). TWO OTHER SIMILAR DEFECTS FOUND FROM THE SAME OPERATOR. ALL HAVE BEEN ASSOCIATED WITH LATE MANUFACTURE RIVETED DISDR CA021009027Drain Line · failed(CAN) OIL DRAIN PLUG FROM ENGINE O-RING WEARS OUT. METAL RUBBED AGAINST METAL UNTIL COLLAR WEARS OFF. THEN CENTER PIECE FELL OUT LEAVING A 1/2 INCH HOLE FOR THE OIL TO DRAIN. (IN FLIGHT). THIS DRAIN VARIES FROM ENGINE TO ENGINE TYPE.SDR 2002FA0001157Line · failedDURING FLT,SHORTLY AFTER DEPARTURE FROM LAF, IN CRUISE AT 3,000 FT, PILOT HEARD A POP FROM THE ENGINE. SMOKE FROM FRONT COWLING, AND IN THE COCKPIT. CONTACTED TOWER TO ADVISE OF SITUATION AND BEGAN 180 DEGREE TURN TO RETURN TO LAF. HEARD TWO MORE POPS FROM SDR AUS20021077Oil System · low(AUS) ENGINE OIL QUANTITY LOW. ENGINE HAS A HISTORY OF HIGH OIL CONSUMPTION.SDR AUS20021062Plug · missing(AUS) ENGINE OIL PRESSURE DROPPING INTERMITTENTLY. INTERNAL INSPECTIONFOUND THE INTERNAL SUMP OIL PICKUP GALLERY PLUG MISSING. SUSPECTTHE PLUG WAS NOT INSTALLED DURING ENGINE OVERHAUL.SDR 2002FA0001062Tube · defectiveAT ENGINE OVERHAUL, PRIOR TO INSTALLING OIL SUCTION TUBE ASSY'S IN TWO IO-520D ENGINES, BOTH WERE DISCOVERED TO BE DEFECTIVE. ONE TUBE WOULD NOT FIT PROPERLY AND APPEARED TO HAVE NOT BEEN JIGGED PROPERLY IN THE WELDING PROCESS. THE OTHER TUBE HAD SPOT WELDS SDR AUS20021073Filter · unapproved part(AUS) UNAPPROVED OIL FILTER INSTALLED. PERSONNEL/MAINTENANCE ERROR. UNAPPROVED PART.SDR AUS20021072Filter · missing(AUS) ENGINE SUMP FITTED WITH NO SUCTION FILTER IN THE OIL SYSTEM. APIECE OF LOCKWIRE APPROXIMATELY 15.875MM (0.625IN) LONG WAS FOUND IN AN OIL GALLERY. DAMAGE TO OIL PUMP, CRANKSHAFT REAR BEARINGAND THRUST BEARING SURFACES. ALL PISTON SKIRTS SEVERELY SCORED.SDR ASOA020481Oil Cap · missingDURING DECENT, THE LT ENGINE INDICATED A WARNING FOR LOW OIL PRESSURE. THE WARNING SHOWED LOW OIL PRESSURE ON THE CAP AND LOCAL ALERT, WITH AN OIL PRESSURE FLUCTUATION IN THE CAUTION AND WARNING AREAS. THE PILOT SHUT THE ENGINE DOWN IAW THE QRH CHECK LIST RESDR 2002F01089Seal · damagedFOUND OIL RESERVOIR TO BE PRESSURIZED AFTER ENGINE RUN. FOUND BAD SEALS IN OIL PUMP. REPLACED PUMP PART NR 38360-130 PROBLEM WENT AWAY. (M)SDR 2002FA0001153Drive Shaft · failedRT ENGINE LOST OIL PRESSURE AFTER TAKEOFF DISASSEMBLY REVEALED BROKEN OIL PUMP DRIVE SHAFT/GEAR. SHAFT IS THE WEAK LINK.SDR BSY2002F00017Hose · looseRT ENGINE SURGING ON TAKEOFF RETURNED TO AIRPORT. FOUND UPPER DECK HOSE LOOSE AT TURBO DISCHARGE HOUSING. TIGHTENED HOSE. RUN UP, OK.SDR 2002FA0000975Hose · deteriorated(HOSE) DURING ROUTINE MAINTENANCE, THE .5000 INCH OVERBOARD VENT HOSE FROM THE ENGINE OIL TANK WAS FOUND TO BE RESTRICTED. THE .5000 HOSE, WAS REDUCED TO .1250 OR LESS DIAMETER WHERE IT PASSED FROM THE OIL TANK, ALONG THE GAS GENERATOR. THE COMBINATION OF HSDR CA020806013Idler Gear · broken(CAN) DURING CLIMB OUT, THROUGH ABOUT 11,000 FT, LT ENGINE LOST POWER. CREW NOTED LOW FUEL PRESSURE ON LT ENGINE, SELECTED BOOST PUMP, AND REGAINED NORMAL ENGINE OPERATION. DIVERTED FOR A LANDING. LT FUEL PUMP WAS REMOVED AND FOUND TO BE FUNCTIONAL, THE PUSDR WVBA2002016Gasket · misinstalledFLIGHT DEPARTED, PILOT NOTICED FLAMES FLICKERING THROUGH THE INSPECTION DOOR ON THE LEFT ENGINE AFTER REDUCING POWER, HE NOTED NO OIL PRESSURE AND SECURED THE ENGINE. THE AIRCRAFT RETURNED TO AIRPORT WITHOUT FURTHER INCIDENT. IT WAS DISCOVERED THAT CONVERTERSDR CA030506003Lifter · wrong part(CAN) A/C EXPERIENCED ENG OIL PRESS PROBLEM. TROUBLESHOT & CONSULTED WITH O/H SHOP, UNABLE TO RECTIFY OIL PRESSURE PROBLEM. ENGINE REMOVED/OVERHAULED & INSTALLED. ENG HAD OVER MAX OIL PRESSURE (100 PSI) AT HIGHER RPM SETTING, AT IDLE, OIL PRESSURE WOULD DROP SDR AUS20020631Pump · cracked(AUS) ENGINE OIL PUMP HOUSING CRACKED. CRACK APPEARS TO ORIGINATE FROMA CASTING MARK. FOUND WHEN OIL FILTER ADAPTER WAS REMOVED FOR RECTIFICATION OF AN OIL LEAK.SDR CDM2002F00000Line · brokenPILOT DECLARED AN EMERGENCY. NOTICED OIL STREAMING FROM RIGHT ENGINE. MADE A SAFE LANDING. THE MECHANIC DISCOVERED THE HARD-LINE FROM THE PROPELLER UNFEATHERING ACCUMULATOR HAD BROKEN AT THE FLARED END WHICH ATTACHED TO THE PROPELLER GOVERNOR. THE SINGLE FSDR JK001Oil System · lowDURING CRUISE FLIGHT OIL PRESSURE WAS NOTED TO BE LOW AND FLUCTUATING, ALONG WITH SEVERE VIBRATION. THIS WAS FOLLOWED BY A COMPLETE LOSS OF OIL PRESSURE AND SUBSEQUENT LOSS OF POWER. THE ENGINE EXPERIENCED INTERNAL FAILURE FOR UNKNOWN REASONS RESULTING IN THSDR AUS20020509Washer · unlocked(AUS) RT ENGINE SCAVENGE PUMP COVER BOLT TAB WASHERS WERE NOT LOCKED. THE BOLTS WERE TIGHT. AREA HAD NOT BEEN DISTURBED SINCE FACTORY ASSEMBLY.SDR MGDA20021Engine · malfunctionedLEFT ENGINE LOST MANIFOLD PRESSURE AND RPM IN LEVEL CRUISE AT 16,000 FEET. PILOT ATTEMPTED TO KEEP THE ENGINE RUNNING WITHOUT SUCCESS. PILOT SHUT DOWN THE ENGINE AND FEATHERED IT. AN EXACT CAUSE OF THE FAILURE HAS NOT BEEN DETERMINED.SDR 2002FA0000655Separator · leakingDURING ENGINE RUNUP OIL WAS OBSERVED LEAKING FROM SEPARATOR LOWER OUTBOARD CORNER. INSPECTION REVEALED SEPRATOR CORRODING/ RUSTING FROM INSIDE OUT. OIL LEAKING THROUGH CORROSION PINTS IN BOTTOM ONTO EXHAUST. REPLACED WITH NEW UNIT. RECOMMEND INSPECTION AT SDR 2002FA0000676Gasket · leakingGASKET FAILED CAUSING LOSS OF ENGINE OIL LEADING TO CATASTROPHIC ENGINE FAILURE. AIRCRAFT LANDED SAFELY IN FIELD. THERE IS NO REQUIREMENT TO GO BACK AND REPLACE THESE GASKETS.
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