JASC 8530
Service difficulty reports · 4,342
Reports filed under 8530 · Reciprocating Engine Cylinder Section, 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 = '8530' 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 = '8530' 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 2001FA0000217Valve Seat · leakingDURING COMPRESSION CHECK, LOW CYLINDER PRESSURE WAS DISCOVERED. LEAKAGE WAS DETERMINED TO BE BETWEEN NUMBER FOUR CYLINDER INTAKE VALVE AND VALVE SEAT. AFTER REMOVING INTAKE VALVE, FURTHER INSPECTION REVEALED POOR CONDITION OF VALVE SEAT IN REGARDS TO A LACK SDR 2001FA0000190Exhaust Valve · brokenAIRCRAFT WAS ON A TRAINING FLIGHT, STEM BROKE AT VALVE HEAD. ENGINE LOST POWER BUT WAS ABLE TO LAND. ENGINE CHANGED. PROBABLE CAUSE OF BREAKAGE: OLD AGE.SDR 2001FA0000653Cylinder · crackedCYLINDER CRACKED ON INTAKE AND EXHAUST SEAT.SDR 2001FA0000652Cylinder · crackedCRACKED ON INTAKE AND EXHAUST SEATS.SDR 2001FA0000651Cylinder · crackedCYLINDER CRACKED ON INTAKE AND EXHAUST SEATS.SDR 2001FA0000650Cylinder · crackedCYLINDER CRACKED ON INTAKE AND EXHAUST SEATS.SDR 2001FA0000649Cylinder · crackedCYLINDER CRACKED ON INTAKE AND EXHAUST SEATS.SDR 2001FA0000654Cylinder · crackedCYLINDER CRACKED ALL THE WAY AROUND AT THE VALVE SEAT LINE AND BURNED THROUGH THE EXHAUST PORT SIDE.SDR CA010724009Rocker Boss · cracked(CAN) THE EXHAUST VALVE ROCKER ARM BOSS CRACKED THROUGH THE PIVOT BOLT HOLES WHICH ALLOWED THE ROCKER ARM TO MOVE WITHOUT OPENING THE EXHAUST VALVE, SEVERLY REDUCING ENGINE POWER. FROM DISCUSSIONS WITH SEVERAL AME'S THE CONSENSUS IS THAT OVERTORQUING OF THE PISDR AUS20011053Exhaust Valve · failed(AUS) NO3 CYLINDER EXHAUST VALVE HEAD SEPARATED FROM VALVE STEM CAUSING MAJOR DAMAGE TO CYLINDER AND PISTON. SUSPECT CAUSED BY CORROSIONAND EROSION DAMAGE. INVESTIGATION FOUND TWO OF THE OTHER THREEEXHAUST VALVES IN SIMILAR CONDITION WITH THE LAST EXHAUST VALVSDR XGN2001F00000Cylinder Head · departedCYLINDER HEAD DEPARTED CYLINDER BARREL, WHILE AIRCRAFT WAS IN FLIGHT. AIRCRAFT LANDED WITHOUT INCIDENT.SDR 2001FA0000114Cylinder · crackedCYLINDER CRACKED FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EXSEAT TO BOTTOM SPARK PLUG HOLE.SDR NAFA20010001Cylinder · damagedNR 3 ENGINE NR 13 CYLINDER LT & RT NO COMBUSTION PATTERN ON ANALYZER. REMOVED AND REPLACED THE NR 13 CYLINDER.SDR NACA20010027Cylinder · damagedFEATHERED NR 3 ENGINE AT 2311Z DUE TO LOSS OF OIL. REMOVED AND REPLACED ENGINE ASSY.SDR FXG2001F00001Valve Guide · looseFLIGHT CREW HAD A ZONE 1 FIRE WARNING WITH NO OTHER INDICATIONS. ON INSPECTION ON THE ENGINE, NR 14 CYLINDER WAS FOUND TO HAVE A LOOSE EXHAUST VALVE GUIDE CAUSING THE COMBUSTION CHARGE ACCESS TO THE EXHAUST SYSTEM. THE EXHAUST PIPE ADAPTER FOR THIS CYLINDER SDR 2001F00320Gasket · leakingCHANGED A FEW ROCKER GASKETS ON ALL ENGINES FOR LEAKING. (M)SDR 2001FA0000113Cylinder · crackedCYLINDER CRACKED FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EXSEAT TO BOTTOM SPARK PLUG HOLE.SDR 2001FA0000195Cylinder · crackedTHE NR 3 CYLINDER HEAD CRACKED AT THE ROCKER BOSS, ENGINE LOST POWER, AIRCRAFT EMERGENCY LANDED IN A FIELD. 2ND OCCURANCE.SDR AUS20010716Exhaust Valve · eroded(AUS) ALL ENGINE EXHAUST VALVES EXHIBITED SEVERE EROSION BETWEEN THEVALVE STEM AND VALVE HEAD.SDR 2001F00115Cylinder · crackedPRECAUTIONARY SHUTDOWN NR 1 ENGINE DUE TO RUNNING ROUGH AT 2340Z. NR 13 CYLINDER HEAD CRACKED, REPLACED CYLINDER. (M)SDR CA010628039Camshaft · worn(CAN) ENGINE HAD BEEN HARD TO START, LOW STATIC RPM AND HIGH MANIFOLD PRESSURE. ENGINE INSP. REVEALED THAT THE CAMSHAFT LOBE THAT DRIVES NR 5&6 CYL INTAKE VALVES WERE WORN. FURTHER TEAR DOWN OF ENGINE REVEALED NO FURTHER ABNORMAL WEAR OR CORROSION.SDR AC92001F00000Cylinder · crackedAT CRUISE POWER, LEFT ENGINE DEVELOPED A SLIGHT VIBRATION. AIRCRAFT WAS ENROUTE FROM DEPART TO ARRIVAL, DIVERTED. FOUND NR 14 CYLINDER, LEFT ENGINE CRACKED AT EXHAUST PORT.SDR AUS20010698Piston Ring · worn(AUS) NO3 CYLINDER PISTON RINGS WORN AND LEAKING.SDR 2001FA0000368Exhaust Valve · failedTHE AIRCRAFT WAS AT NORMAL CRUISE, THE PILOT STATED THAT IT STARTED TO LOSS POWER AND RAN ROUGH. AFTER LANDING AT A ALTERNATE AIRPORT THE AIRCRAFT STOPPED RUNNING. AFTER PULLING THE CYLINDER, THE TOP OF THE EXHAUST VALVE WAS MISSING. THE STEM AND RETAINING SDR AUS20010689Cylinder · damaged(AUS) ENGINE CYLINDER HOLED IN AREA ADJACENT TO TOP SPARK PLUG HOLE.SDR AUS20010685Cylinder · leaking(AUS) NR 2 CYLINDER LEAKING PAST EXHAUST VALVE AND PISTON RINGS.SDR CA010627062Piston · broken(CAN) ON A GROUND RUN-UP PRIOR TO A SCHEDULED INSPECTION A PARTIAL POWER LOSS WAS DETECTED. A MOTO-STAT WAS CARRIED OUT AND #6 CYL. HAD VERY LOW COMPRESSION. A FILTER CHECK WAS CARRIED OUT AND SUBSTANIAL METAL PARTS, ALM, CHROME AND STEEL WERE FOUND THAT ARE CSDR AUS20010688Cylinder · failed(AUS) ENGINE CYLINDER HEAD SEPARATED FROM BARREL IN THREADED AREA.SDR CA010628025Valve Guide · cracked(CAN) CYL REMOVED FOR LOW COMRESSION, DUE TO WORN VALVE GUIDE AND VALVE.SDR 2001FA0000263Piston Pin · wornMETAL IN FILTER. PISTON PIN PLUG- EXCESSIVE WEAR. ONE PIN WORN DOWN .500 INCH. ALL PLUGS WORN.SDR AUS20010611Piston Ring · failed(AUS) NR 3 CYLINDER FIRST AND SECOND PISTON RINGS BROKEN. PISTON LANDERODED. NR 4 CYLINDER NO1 PISTON RING BROKEN. PISTON RINGS WERECAST IRON IN CHROME CYLINDERS. SMALL AMOUNT OF ALUMINIUM ALLOYMETAL IN OIL FILTER.SDR 2001F00108Cylinder · crackedNR 13 CYLINDER BARREL CRACKED ALL THE WAY AROUND WHERE HEAD IS THREADED ONTO BARREL. CRACK BROKE COMPRESSION RINGS RESULTING IN LOSS OF COMPRESSION.SDR 2001FA0000092Cylinder · crackedDURING ROUTINE INSPECTION, FOUND NR 1 CYLINDER TO BE CRACKED ABOVE THE INTAKE VALVE GUARD AREA. WHEN PRESSURIZED, THE ENTIRE LENGTH OF THE CRACK PRODUCED BUBBLES.SDR YAD2001F00005Cylinder · damagedAIRCRAFT DEPARTED AIRPORT AND ENGINE BEGAN RUNNING VERY ROUGH. AIRCRAFT RETURNED TO THE AIRPORT (UNABLE TO MAINTAIN POWER OR ALTITUDE). MAINTENANCE FOUND NR 4 CYLINDER HAD BROKEN AND BENT PUSHRODS. THE EXHAUST VALVE PUSHROD WAS FOUND BROKEN FOR ABOUT 8 INCHSDR 2001FA0000031Guide · out of toleranceCYLINDER HAD LOW COMPRESSION READINGS, 20/80. CYLINDER WAS REMOVED FROM ENGINE AND INSPECTED. EX. GUIDE WAS INSPECTED AND FOUND TO BE OUT OF SERVICE LIMITS. EX GUIDE ID WAS MEASURED, AND A READING OF .5325 WAS TAKEN. MAX SERVICE DIMENSION FOR A 300 HR CYLISDR 2001FA0000160Cylinder · separatedTHE NUMBER ONE CYLINDER HEAD SEPERATED FROM THE CYLINDER RESULTING IN AN ACCIDENT DESTROYING THE AIRCRAFT AND INJURING THE PILOT. NOTE: THE ENGINE EXCEEDED THE MANUFACTURERS CALENDER TBO OF 12 YEARS AND 2000 HOURS.SDR YAD2001F00003Valve · stuckAIRCRAFT DEPARTED AIRPORT AND ENGINE BEGAN RUNNING VERY ROUGH, AIRCRAFT RETURNED TO THE AIRPORT (UNABLE TO MAINTAIN POWER OR ALTITUDE). MAINTENANCE FOUND NR 6 CYLINDER HAD BROKEN AND BENT PUSHRODS. FURTHER INVESTIGATION REVEALED A BENT PUSHROD IN NR 2 CYLINDSDR YAD2001F00002Valve · stuckAIRCRAFT DEPARTED AIRPORT AND ENGINE BEGAN RUNNING VERY ROUGH, AIRCRAFT RETURNED TO THE AIRPORT (UNABLE TO MAINTAIN POWER OR ALTITUDE). MAINTNEANCE FOUND NR 6 CYLINDER HAD BORKEN AND BENT PUSHRODS. FURTHER INVESTIGATION REVEALED A BENT PUSHROD IN NR 2 CYLINDSDR 2001F00306Seal · leakingPUSH ROD TUBE SEAL HARD AND BRITTLE, NOT SOFT THIS CAUSING OIL LEAK. REPLACED SEAL WITH A NEW ONE. (M)SDR AUS20010834Cylinder · failed(AUS) LT ENGINE NR 2 CYLINDER FAILED.SDR AUS20010609Cylinder · cracked(AUS) ENGINE CYLINDER ROCKER SHAFT SUPPORT CRACKED AND SEPARATED FROM CYLINDER HEAD.SDR 2001FA0000022Cylinder · crackedCRACKED FROM TOP OF SPARK PLUG HOLE, AROUND OUTSIDE OF EX SEAT TO BOTTOM OF SPARK PLUG HOLE.SDR 2001FA0000021Cylinder · crackedCRACKED FROM SPARK PLUG HOLE TO EX SEAT.SDR N32B2001002Cylinder · crackedNR 3 ENGINE FEATHERED AT 00172, DUE TO RUNNING ROUGH.SDR AUS20010591Exhaust Valve · stuck(AUS) NR 2 CYLINDER EXHAUST VALVE STICKING IN VALVE GUIDE. FURTHER INSPECTION FOUND ALL EXHAUST VALVES STICKING AND ALL EXHAUST PUSHRODS BENT. SUSPECT VAVLE TO GUIDE CLEARANCE INSUFFICIENT AT MANUFACTURE.SDR CA010625043Exhaust Valve · damaged(CAN) ON GROUND RUN PILOT REPORTED R/H ENGINE RUNNING ROUGH. MAINTENANCE FOUND #2CYLINDER, EXHAUST VALVE SEAT DISLODGED, DAMAGING THE PISTON. ENGINE HAD METAL CONTAMINATION. ENGINE FIREWALL FORWARD REPLACEDWITH O/H UNIT AND COMPONENTS AND HOSES. CYLINDER ASSY SDR 20010612CW015Ring · wornAIRCRAFT WAS CONSUMING A LARGE QUANTITY OF OIL. UPON INSPECTION, FOUND THE NR 3 CYL OIL CONTROL RING LAND ELONGATED DUE TO A SMALL PIECE OF RING WHICH HAD PIECE OF RING WHICH HAD BROKEN OFF AND BEGAN TO FLUTTER. PROBABLE CAUSE: SHOCK COOLING.SDR 20010606CW002Piston Ring · brokenAIRCRAFT WAS CONSUMING A LARGE QUANTITY OF OIL. UPON INSPECTION FOUND THE NR 3 CYLINDER OIL CONTROL RING LAND ELONGATED DUE TO A SMALL PIECE OF RING WHICH HAD BROKEN OFF AND BEGAN TO FLUTTER. PROBABLE CAUSE OF SHOCK COOLING.SDR NACA20010021Cylinder · defectiveFEATHERED THE NR 3 ENGINE AT 2311Z DUE TO LOW COMPRESSION INDICATION NR 2 CYLINDER. REPLACED THE NR 2 CYLINDER.SDR 2001FA0000142Cylinder · brokenBARREL TO HEAD SEPERATION DURING FLIGHT.
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