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 AU980928Engine Cylinder · cracked(AUS) NR 2, NR 3, AND NR 5 CYLINDERS CRACKED BETWEEN TOP SPARK PLUG HOLE AND INJECTOR NOZZLE HOLE.SDR 98ZZZX3027Cylinder · defectiveTHE INTAKE VALVE SEAT WAS FOUND NOT SEATED INTO THE CYLINDER HEAD PROPERLY. IF UNDETECTED, THE SEAT AND VALVE WOULD LEAK AFTER ONE TO TWO HOURS OF OPERATION.SDR 98ZZZM822Valve · brokenWHILE EN BOUND TO SANTO DOMINGO, NR 1 ENGINE BACKFIRED CONTINUOUSLY, ENGINE ANALYZER SHOWED R-8 S/S AT 1225. PERFORMED PRECAUTIONARY ENGINE SHUTDOWN. LANDING IN SANTO DOMINGO WITHOUT INCIDENT. REPLACED NR 8 CYLINDER IN NR 1 ENGINE. ENGINE RUNUP CHECKED OK.SDR 98ZZZX3021Bolt · brokenLEFT ENGINE DEVELOPED OIL LEAK IN-FLIGHT. RETURNED TO BASE WITH NO PROBLEMS. FOUND HOLE IN NR 3 CYLINDER VALVE COVER. REMOVED VALVE COVER AND FOUND BOTH ROCKER SHAFT RETAINING BOLTS BROKEN. TIME ON PARTS SINCE ASSEMBLY AFTER REPAIR, 96.6 HOURS.SDR CA980811010Cylinder · cracked(CAN) LOW COMPRESSION ON NR 2 CYLINDER. INSPECTION FOUND A STICKING EXHAUST VALVE AND THE CYLINDER CRACKED SLIGHTLY FROM THE EXHAUST SEAT TO THE SPARK PLUG. THE CYLINDER WAS REPLACED.SDR 98ZZZX3284Cylinder · brokenENGINE WAS AT CRUISE POWER. LOUD BANG. SMALLER BANGS. ENGINE RAN, BUT DID NOT PRODUCE APPRECIABLE POWER. FORCED LANDING IN TUNDRA NEAR NOATAK, ALASKA FOLLOWED. NO DAMAGE. FOUND SUPPORT LUGS FOR EXHAUST VALVE ROCKER ARM FAILED ON NR 6 CYLINDER. INTAKE MASDR AU981020Inlet Valve · broken(AUS) NR 6 CYLINDER INLET VALVE HEAD SEPARATED FROM THE VALVE STEM. CRANKCASE CRACKED AND SEVERE INTERNAL DAMAGE TO THE ENGINE. PART TC: 4,097.SDR 99ZZZX589Push Rod · wornTHIS ENGINE WAS DISASSEMBLED FOR REPLACEMENT OF 4 CYLINDERS DUE TO LOW COMPRESSION. IT HAD 125 HOURS SMOH BY LYCOMING. THE NR 1 ROCKER ARMS WERE FOUND SWITCHED. THE EXHAUST ROCKER IN THE INTAKE POSITION DID NOT DAMAGE, HOWEVER, THE INTAKE ROCKER WORE THE PUSDR 98ZZZX3016Valve · failedNR 2 EXHAUST VALVES SEIZED IN VALVE GUIDE AND VALVE HEAD SEPARATED AFTER CONTACT WITH PISTON. SEIZURE OF VALVE STEM IN GUIDE MOST LIKELY DUE TO CARBON ACCUMULATION. AIRCRAFT OPERATED UNDER 14CFR PART 141. SUBMITTER RECOMMENDATION: C/W SB 388B AT MORE FREQUSDR 98ZZZX3557Pushrod Spring · brokenPILOT NOTED THE ENGINE WOULD MISS THEN RUN. PILOT MADE PRECAUTIONARY LANDING. THE VALVE COVER ON CYLINDER NR 2 HAD A HOLE IN IT. INVESTIGATION SHOWED THE PUSHROD TUBE SPRING LYC P/N LW14995 BROKE AND SEPARATED AT THE HOLE FOR THE HOLD-DOWN STUD. THE BROKENSDR AU980809Cylinder · cracked(AUS) CYLINDER HEAD SEPARATED FROM BARREL AT THE SECOND THREAD FROM THE TOP.SDR 98ZZZX3876Cylinder · crackedPILOT STATED IN CRUISE, THE RT ENGINE STARTED RUNNING SLIGHTLY ROUGH. AFTER A CHECK OF THE ENGINE GAUGES, PILOT NOTED A SLIGHT DROP IN THE MANIFOLD PRESSURE FOLLOWED BY A DECREASE IN OIL PRESSURE. THE ENGINE WAS FEATHERED AND SECURED AND A SINGLE ENGINE LANDSDR AU980950Piston Ring · seized(AUS) NR 1 CYLINDER PISTON SEIZED. SIGNS OF IMPENDING SEIZURE ON THE OTHER CYLINDERS. INVESTIGATION FOUND INSUFFICIENT CLEARANCE ON NEWLY FITTED OIL CONTROL RINGS.SDR 98ZZZX2716Cylinder · defectiveTWO OF FOUR NEW COMPLETE CYLINDER ASSEMBLIES WERE DEFECTIVE. ONE CYLINDER HAD BEAT ROCKER SHAFT BOSSES, THE OTHER HAD A CRACK IN THE EXHAUST PORT.SDR 98ZZZX2715Cylinder · defectiveTWO OF FOUR NEW COMPLETE CYLINDER ASSEMBLIES WERE DEFECTIVE. ONE CYLINDER HAD BEAT ROCKER SHAFT BOSSES, THE OTHER HAD A CRACK IN THE EXHAUST PORT.SDR 98ZZZX2677Cylinder · crackedDURING THE ANUAL INSPECTION, DISCOVERED CRACKS IN THREE OF FOUR CYLINDERS. THE CRACKS WERE LOCATED IN THE EXHAUST PORT. A CYLINDER COMPRESSION CHECK DID NOT REVEAL THE CRACKS. THE CRACKS ARE ONLY DETECTED BY VISUAL INSPECTION. SUBMITTER RECOMMENDED VISUAL ISDR 99ZZZX642Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.SDR 99ZZZX641Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.SDR 99ZZZX640Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.SDR 99ZZZX639Lifter · damagedENGINE REMOVED FROM SERVICE DUE TO METAL CONTAMINATION, DUE TO PREMATURE FAILURE OF TAPPET BODIES.SDR 99ZZZX595Piston · crackedDURING FLIGHT, THE RIGHT ENGINE BEGAN TO RUN ROUGH AND LOST OIL PRESSURE. THE PILOT SECURED THE ENGINE AND MADE A SAFE SINGLE-ENGINE LANDING. AN INVESTIGATION REVEALED A CRACK IN THE PISTON. THIS CRACK STARTED FROM THE OIL CONTROL RING LANDING THROUGH THE CSDR 98ZZZX4456Cylinder Head · mismanufacturedDURING A ROUTINE COMPRESSION CHECK, AIR WAS FOUND LEAKING THROUGH A POROUS CASTING IN THE CYLINDER HEADS ON THE NR 2 AND NR 6 CYLINDERS. BOTH CYLINDERS WERE REPLACED. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE CYINDER HEADS INSTALLED ON CYLINDERS AT MANSDR 98ZZZX3012Cylinder Assy · misoverhauledTHIS ENGINE WAS OVERHAULED AND INSTALLED ON 3-25-92, NR 1 AND NR 3 CYLINDERS WERE REMOVED AT 536.7 HOURS DUE TO LOW COMPRESSION. CYLINDERS WERE SENT BACK FOR REPAIR BOTH INTAKE AND EXHAUST SEATS AND EXHAUST GUIDES WERE BAD, CYLINDERS RE-INSTALLED AT 621.6 HOSDR 98ZZZX2622Cylinder · wornNR 2 CYLINER REMOVED FOR ZERO COMPRESSION. EXHAUST VALVE SEAT BADLY WORN AND EXHAUST GUIDE VERY LOOSE. INTAKE VALVE ALSO LEAKING AND SEAT IS TOO WIDE. EXHAUST VALVE EXTREMELY LOOSE IN GUIDE. COULD CAUSE HEAD OF VALVE TO BREAK OFF CAUSING A CATASTROPHIC ENGSDR 98ZZZX4007Valve · failedBIL - PILOT REPORTED A LOSS OF MANIFOLD PRESSURE ON THE LT ENGINE IN CRUISE AND OIL LEAKING FROM LT ENGINE AFTER SHUT DOWN IN BILLINGS. AIRCRAFT LANDED WITHOUT INCIDENT, NO EMERGENCY DECLARED. LEFT ENGINE, NR 2 CYLINDER EXHAUST VALVE FAILED, DAMAGE CAUSED TOSDR 98ZZZX2649Rocker Shaft · failedLEFT ENGINE ROUGHENED IN-FLIGHT, HAD TO BE SHUT DOWN. SAFE LANDING MADE. MAINTENANCE FOUND NR 4 CYL EXHAUST PUSH ROD PUSHED THROUGH VALVE COVER. FOUND ROCKER SHAFT BOLTS BROKEN. CAUSE OF FAILURE BELIEVED TO BE FROM UNDERTORQUE AND IMPROPER SETTING OF BOLT SDR 99ZZZX1555Valve · damagedEXHAUST VALVE STUCK IN GUIDE CAUSING PISTON STRIKE AND BENT PUSH ROD. AIRCRAFT ON GROUND DOING RUN-UP.SDR 98ZZZX3692Bolt · brokenPILOT NOTICED WHITE SMOKE COMING FROM LEFT TOP COWLING LOUVERS. SHUT ENGINE DOWN AND LANDED. MAINTENANCE FOUND BROKEN ROCKER SHAFT BOLT. REPLACED BOTH BOLTS AND GASKET. PERFORMED LEAK CHECK AND RUN-UP. ALL CHECKED GOOD.SDR AU980680Spring · broken(AUS) NR 2 AND NR 3 CYLINDER PUSHROD RETAINING SPRINGS BROKEN. PART TC: 532.SDR 98ZZZX2617Valve · failedWHILE DOING COMRPESSION CHECK ON THE ENGINE, FOUND LOW COMPRESSION NR 5 CYLINDER. REMOVED ROCKER BOX COVER AND FOUND THE EXHAUST VALVE TOP STEM WORN DOWN TO BE EVEN WITH THE ROTATOR. THE ROCKER ARM WAS ALSO DAMAGED BY HITTING THE ROTATOR. VALVE MAY HAVE BEESDR CA980623021Cylinder · separated(CAN) NR 5 CYLINDER WAS FOUND TO HAVE A CYLINDER SEPARATION.SDR CA980629008Cylinder · separated(CAN) UPON COMPLETION OF FIRE BOMBING RUN, SMOKE WAS NOTICED TRAILING FROM NR 2 ENGINE. PRECAUTIONARY SHUTDOWN WAS CARRIED OUT. POST-FLIGHT INSPECTION FOUND THE NR 3 CYLINDER HAD FAILED. THE CYLINDER WAS REPLACED. THE ENGINE GROUND RUN SERVICEABLE AND THE ASDR CA980622022Cylinder · cracked(CAN) DURING INSPECTION A DIFFERENTIAL PRESSURE CHECK ON NR 2 CYLINDER WAS 32/80. REMOVAL AND DISASSEMBLY OF THE CYLINDER FOUND THE EXHAUST VALVE LEAKING, CORROSION AND EXHAUST LEAK IN THE AREA OF THE COOLING FINS.SDR 98ZZZX4008Cylinder · crackedFCA - FLT 5032 - PILOT OBSERVED NR 2 TURBO QUIT ON APPROACH, ENGINE MADE KNOCKING SOUND, AND PILOT SHUT DOWN NR 2 ENGINE. NO EMERGENCY DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. NR 2 ENGINE, NR 3 CYLINDER PARTED WITH BROKEN CYLINDER STUDS. ENGINE WILL BE SDR 98ZZZX3138Exhaust Valve · loosePILOT REPORTED VIBRATION ON LEFT ENGINE. COMPRESSION PERFORMED AND FOUND CYLINDER NR 4 LOW. CYLINDER REMOVED AND FOUND EXHAUST VALVE SEAT LOSE AND PISTON DAMAGED BY THE VALVE. CYLINDER REPLACED. REPAIR STATION NOTIFIED ABOUT THE INCIDENT AND THEY ARE GOINSDR 98ZZZX2776Valve · failedWHILE IN NORMAL FLIGHT, EXHAUST VALVE FAILED CAUSING ENGINE TO SHUT DOWN. AIRCRAFT WAS AUTOROTATED SAFELY TO THE GROUND WITHOUT FURTHER DAMAGE.SDR CA980629007Cylinder · cracked(CAN) WHILE RETURNING TO BASE AFTER FIRE BOMBING OPERATION, THE NR 2 ENGINE BEGAN TO BACKFIRE MILDLY. A PRECAUTIONARY ENGINE SHUTDOWN WAS CARRIED OUT. POST-FLIGHT INSPECTION FOUND NR 3 CYLINDER SPARK PLUG PEENED OVER. THE DAMAGED NR 3 CYLINDER WAS REMOVED ASDR CA980706006Head · split(CAN) NR 1 ENGINE DEVELOPED VIBRATION/SHAKING ON TAKEOFF. NR 1 ENGINE WAS SHUTDOWN. POST-FLIGHT INVESTIGATION FOUND THE NR 14 CYLINDER HEAD SPLIT. THE CYLINDER WAS REPLACED. THE ENGINE GROUND RUN SERVICEABLE AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR CA980706005Rod · broken(CAN) ENGINE BEGAN SEVERE VIBRATION IN CRUISE AND WAS SHUT DOWN. POST- FLIGHT INSPECTION FOUND THE CONNECTION ROD AT NR 14 CYLINDER HAD BROKEN. THE ENGINE WAS REPLACED AND TEST FLOWN SERVICEABLE.SDR 98ZZZX2210Boss · crackedRECEIVED (4) WARRANTY REPLACEMENT (COMPLETE) OVERHAULED CYLINDERS. TWO OF FOUR, REPAIRED UNDER WORK ORDER NUMBER, 64156, S/N 29 AND S/N 34, WERE FOUND TO HAVE A CRACKED EXHAUST SEAT BOSS.SDR 98ZZZX2209Boss · crackedRECEIVED (4) WARRANTY REPLACEMENT (COMPLETE) OVERHAULED CYLINDERS. TWO OF FOUR, REPAIRED UNDER WORK ORDER NUMBER, 64156, S/N 29 AND S/N 34, WERE FOUND TO HAVE A CRACKED EXHAUST SEAT BOSS.SDR 98ZZZX2208Boss · crackedPURCHASED 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.SDR 98ZZZX2437Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2436Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2435Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2434Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2433Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2432Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 167.1 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2431Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 307.0 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCESDR 98ZZZX2430Cylinder · wornCYLINDER ASSY HAD EXTREME CLEARANCES BETWEEN VALVES AND VALVE GUIDES WHICH IS NOT INDICATIVE OF 307.0 HOURS OF OPERATION ON A CYLINDER ASSY. UTILIZING USAF SPECS, I.E., SODIUM FILLED DOME TYPE EXHAUST VALVES AND CLOSE TOLERANCE STEEL VALVE GUIDES. ALSO, EXCE
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