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.

SDR 20010426CW023Cylinder Head · crackedCYLINDER HEADS CRACKED ON INTAKE SIDE ON EXTERIOR OR ADJACENT INTAKE SEAT. UNLIKE MANY OTHER CRACKED MILLINEUM CYLINDERS THESE WERE ALSO CRACKED ON THE EXHAUST SIDE VISIBLE FROM OUTSIDE BETWEEN FINS 18 TO 20. SERIAL NUMBERS: 52L976947, 52L976948, (52L9769Feb 5, 2001 · N90193SDR 20010426CW022Cylinder Head · crackedCYLINDER HEADS CRACKED ON INTAKE SIDE ON EXTERIOR ADJACENT TO INTAKE SEAT. UNLIKE MANY OTHER CRACKED MILLINEUM CYLINDERS THSES WERE ALSO CRACKED ON THE EXHAUST SIDE VISIBLE FROM OUTSIDE BETWEEN FINS 18 TO 20. SERIAL NUMBERS: 52L976947, (52L976948), 52L976Feb 5, 2001 · N90193SDR 20010426CW021Cylinder Head · crackedCYLINDER HEADS CRACKED ON INTAKE SIDE ON EXTERIOR ADJACENT TO INTAKE SEAT. UNLIKE MANY OTHER CRACKED MILLINEUM CYLINDERS THESE WERE ALSO CRACKED ON THE EXHAUST SIDE , VISIBLE FROM OUTSIDE BETWEEN FINS 18 TO 20. SERIAL NUMBERS: (52L976947), 52L976948, 52Feb 5, 2001 · N90193SDR 20010205CW005Valve Spring · brokenDURNING DETAILED INSPECTION OF LEFT ENGINE, COMPRESSION CHECK OF NR4 CYLINDER REVEALED LOW COMPRESSION. APPROX 80/20, UPON FURTHER INSPECTION THE OUTER SPRING OF THE INTAKE VALVE WAS FOUND TO BE BROKEN.Feb 5, 2001 · N305AT · Cessna 402CSDR AU010132Exhaust Valve · leaking(AUS) ENGINE EXHAUST VALVE LEAKING.Feb 2, 2001 · Cessna U206FSDR 20010327CW008Rod Bolt · brokenNR 4 CYLINDER BOTH ROD BOLTS BROKEN. CYLINDER WAS BROKEN FREE OF CRANKCASE ALL THE CYLINDER HOLD DOWN STUDS BROKEN.Jan 29, 2001 · N690RR · Gulstm 500BSDR 20010226CW001Cylinder · damagedVALVE CHECK SHOWS EXCESS WOBLE IN EX GUIDE.Jan 28, 2001 · N44911 · Doug C54BDCSDR CA010213006Cylinder Head · cracked(CAN) AT 100 HOUR INSPECTION IN NOVEMBER 2000, FOUND FOUR CYLINDERS WITH SIMILAR CRACKS. AT NEXT 100 HOUR INSPECTION IN JANUARY 2001 FOUND SIX MORE CYLINDERS WITH CRACKS IN SAME LOCATION (BETWEEN SPARK PLUG HOLE AND INJECTOR HOLE). CYLINDERS REPLACED AFTER DETJan 26, 2001 · Cessna 421BSDR 2002FA0000221Cylinder · crackedENGINE INSTALLED IN FEBRUARY 1997. AT APPROXIMATELY 665 HOURS, TWO CYLINDERS WERE CRACKED THROUGH THE FINS OUTSIDE THE EXHAUST PORT, ADJACENT TOTHE EXHAUSE SEAT.Jan 25, 2001 · N7477L · Piper PA18150SDR 20010426CW013Cylinder Head · crackedCYLINDER HEADS CRACKED ON THE INTAKE SEAT TO NOZZLE AND OR INJECTOR HOLE. CYLINDER HEAD SERIAL NUMBERS: 52L962936, 52L962937, 52L962938, (52L962799).Jan 23, 2001SDR 20010426CW012Cylinder Head · crackedCYLINDER HEADS CRACKED ON THE INTAKE SEAT TO NOZZLE AND OR INJECTOR HOLE. CYLINDER HEAD SERIAL NUMBERS: 52L962936, 52L962937, (52L962938), 52L962799.Jan 23, 2001SDR 20010426CW011Cylinder Head · crackedCYLINDER HEADS CRACKED ON THE INTAKE SEAT TO NOZZLE AND OR INJECTOR HOLE. CYLINDER HEAD SERIAL NUMBERS: 52L962936, (52L962937), 52L962938, 52L962799.Jan 23, 2001SDR 20010426CW010Cylinder Head · crackedCYLINDERS CRACKED ON THE INTAKE SEAT TO NOZZLE AND OR INJECTOR HOLE. CYLINDER SERIAL NUMBERS: (52L962936), 52L962937, 52L962938, 52L962799.Jan 23, 2001SDR NACA20010003Cylinder · crackedDUE TO NR 4 ENGINE ROUGH RUNNING, LOW POWER AT RUNUP, AIR LEAK NOISE. REPLACED NR 1 CYLINDER DUE TO CRACKED HEAD.Jan 20, 2001 · N867TA · Doug DC6BSDR AU010142Exhaust Valve · worn(AUS) LH ENGINE EXHAUST VALVES (2OFF) ERODED. RT ENGINE EXHAUST VALVES(4OFF) ERODED.Jan 19, 2001 · Piper PA31350SDR AU010057Key · broken(AUS) NR 5 CYLINDER EXHAUST VALVE KEY BROKEN WITH DAMAGE TO TAPPET AND SOCKET. SUSPECT TAPPET DAMAGED AT MANUFACTURE CAUSING INCORRECT VALVE CLEARANCE.Jan 19, 2001 · Robsin R44SDR 20010215CW003Cylinder · unserviceableA CRACK RUNS FROM TOP SPARKPLUG HOLE AROUND OUTSIDE EXHAUST SEAT TO TOP SPARKPLUG AND CYLINDER WILL SPLIT IN TWO PIECES.Jan 16, 2001 · N4350G · Piper PA28181SDR 20010206CW006Exhaust Valve · brokenEXHAUST VALVE BROKEN IN HALF.Jan 11, 2001 · N134BA · Beech 65A80SDR NACA200100002Cylinder · crackedDISCREPANCIES: M.I. @ 03:15Z, SHUT DOWN #3 ENGINE DUE TO RAPID BACKFIRE.CORRECTIVE ACTION: REPLACED #3 CYLINDER ON #3 ENGINE.Jan 5, 2001 · N43872 · Doug DC6ASDR CA010206004Valve Guide · worn(CAN) ENGINE RAN VERY ROUGH AT START UP.CYLINDER NR 3 REMOVED DUE TO LOW COMPRESSION. EXHAUST GUID WORN CAUSING CARBON TO JAM VALVE IN OPEN POSITION. CYLINDER RELACED DUE TO ABOVE PROBLEM.Jan 4, 2001 · Cessna 150MSDR AU010008Retainer · cracked(AUS) NR 3 CYLINDER ROCKER HAT REMOVED TO REPAIR OIL LEAK. THE ROCKER PIN RETAINER WAS FOUND TO CRACKED. ON FURTHER INSPECTION OTHER ROCKER PIN RETAINERS SHOWED SIGNS OF INCIPIENT FAILURE.Jan 3, 2001 · Cessna R172KSDR AU001235Piston · cracked(AUS) NR 1, NR 2 AND NR 4 CYLINDER PISTONS CRACKED BETWEEN OIL HOLES. THEPISTONS ARE MANUFACTURED BY WELLWORTH CASTING NUMBER A470102 AND ARE DIFFERENT TO THE CONTINENTAL MANUFACTURED PISTON IN HAVINGTEN OIL HOLES UNDER THE OIL RING WHERE CONTINENTAL PISTONS Dec 29, 2000 · Cessna 150FSDR NACA200000025Cylinder · crackedDISCREPANCIES: MECHANICAL INTERUPTION AT 0100Z DUE TO NR 1 ENGINE BACKFIRING. CORRECTIVE ACTION: REPLACED NR 17 CYCLINDER FOR CRACKED HEAD.Dec 22, 2000 · N1377K · Doug DC6ASDR 20010205CW001Cylinder · crackedEXHAUST LEAK BY NR 4 CYLINDER EXHAUST GASKET. INSPECTED, FOUND 4 CYLINDER CRACKED BY EXHAUST VALVE AREA, INSTALLED 5-9-00, CYLINDER OVERHAULED 7-28-98, W/O 4419.CYLINDER HAS TOTAL OF 186.3 HOURS ON IT. INSTALLED OVERHAULD CYLINDER ASSY.Dec 20, 2000 · N922DN · Beech 58SDR NACA200000024Intake Valve · brokenDISCREPANCIES: MECHANICAL INTERUPTION AT 0120, FEATHERED NR 4 ENGINE DUE TO LOSS OF POWER.ACTION TAKEN: REPALACED NR 14 CYLINDER ON NR 4 ENGINE DUE TO BROKEN INTAKE VALVE.Dec 19, 2000 · N99330 · Doug DC6ASDR 20010125CW008Cylinder · crackedPILOT NOTICED RT ENGINE WAS RUNNING ROUGH. SHUT DOWN ENGINE, DURING INSPECTION FOUND THAT NR5 CYLINDER WAS COLD, WITH COMPRESSION TEST, RESULTS WAS 0/80. FOUND EXHST STUD AND NUT MISSING, ALSO REVEALED BURN MARKS FROM EXHST AND MANY CRACKS AROUND EXHST PDec 18, 2000 · N8004Q · Cessna 421BSDR 20010205CW009Rod Bolt · brokenCONNECTING ROD BOLT BROKEN ON NR4 CYLINDER, LT ENGINE. DURING CRUSE FLIGHT. NR4 CYLINDER WAS PUSHED THRU COWLING AND BROKE OUT LEFT UPPER CRANKCASE.Dec 13, 2000 · N7090B · Piper PA31350SDR AU001170Key · disintegrated(AUS) NO3 CYLINDER EXHAUST VALVE SPRING LOCKING KEYS SHATTERED BUT WERE STILL HOLDING THE SPRINGS IN PLACE. CAP PNO MS13998-3 ALSO HADSEVERAL CHIPS MISSING. THE VALVE SEAT WAS DAMAGED BEYOND LIMITS.FOUND DURING INSPECTION IAW LYCOMING SB 388B. NO EVIDENCE OFMEDec 8, 2000 · Hughes 269CSDR 20001222SH010Pushrod Tube · brokenAIRCRAFT WAS BEING TEST RUN FOLLOWING ENGINE FAILURE. UPON RUN-UP, ENGINE STARTING MISSING AND WOULD NOT HOLD RPM OVER 600. AIRCRAFT WAS SHUT DOWN. ALL ROCKER BOX COVERS WERE PULLED AND INSPECTION REVEALED THE NR 3 CYLINDER EXHAUST ROCKER PLAY WOULD GO FROMDec 5, 2000 · N3629D · Scwzer G164BSDR 20010426CW009Cylinder Head · crackedCYLINDER HEADS CRACKED FROM THE OUTSIDE OF THE INTAKE SEAT TO THE SPARK PLUG HOLE. CYLINDER SERIAL NUMBERS: G98/9438, G98/9439, G98/9440, G98/9441, (H98/9469).Dec 4, 2000SDR 20010426CW008Cylinder Head · crackedCYLINDER HEADS CRACKED FROM THE OUTSIDE OF THE INTAKE SEAT TO THE SPARK PLUG HOLE. CYLINDER SERIAL NUMBERS: G98/9438, G98/9439, G98/9440, (G98/9441), H98/9469.Dec 4, 2000SDR 20010426CW007Cylinder Head · crackedCYLINDER HEADS CRACKED FORM THE OUTSIDE OF THE INTAKE SEAT TO THE SPARK PLUG HOLE. CYLINDER SERIAL NUMBERS: G98/9438, G98/9439, (G98/9440), G98/9441, H98/9469.Dec 4, 2000SDR 20010426CW006Cylinder Head · crackedCYLINDER HEADS CRACKED FROM THE OUTSIDE OF THE INTAKE SEAT TO THE SPARK PLUG HOLE. CYLINDER SERIAL NUMBERS: G98/9438, (G98/9439), G98/9440, G98/9441, H98/9469.Dec 4, 2000SDR AU001264Valve Guide · failed(AUS) NR 5 CYLINDER EXHAUST VALVE GUIDE BROKEN UP. PIECES OF THE VALVE GUIDE EXITED THE CYLINDER AND JAMMED AND DAMAGED THE TURBOCHARGER TURBINE. NR 5 CYLINDER EXHAUST VALVE NECKED AND COLLETTS WORN.Dec 1, 2000 · Piper PA32RT300TSDR 20001214SH009Cylinder · corrodedDURING ROUTINE INSP OF NR 1 CYLINDER, FOUND BELOW 50/80. CYLINDER BORESCOPED AND ALL OTHER CYLINDERS ALSO SCOPED. FOUND CORROSION AND PITTING IN ALL 4 CYLS. UPON REMOVAL OF NR 1 CYLINDER, EVIDENCE OF PISTON PIN WEAR WAS FOUND ON BARREL AS WELL AS ON OTHER CNov 28, 2000 · N89056 · Cessna 152SDR 20001214SH010Cylinder · burnedAIRCRAFT ON 135 FLIGHT, PILOT NOTICED BLUE FLAME IN COWLING, RIGHT ENGINE. LANDED AT COLUMBIA, MO ON A SCHEDULED STOP. FOUND NR 5 CYLINDER HAD EXHAUST HOLE BURNED THROUGH CYLINDER FORWARD SIDE, .25 INCH BY 1 INCH. HOLE STARTED ON INSIDE EXHAUST PART BY EXHANov 22, 2000 · N900TS · Piper PA23250SDR 20001227SH007Exhaust Valve · failedSTUDENT PILOT SOLD X-C - ENGINE FAILURE. LANDED SAFELY IN FIELD. NR 4 CYLINDER EXHAUST VALVE STEM FOUND BROKEN NEXT TO VALVE FACE. PISTON PIN PLUG ALSO FOUND WORN APPROXIMATELY .050 INCH. (X)Nov 19, 2000 · N6772W · Piper PA28140SDR 20001218SH015Cylinder · failedCYLINDER HAD LOW COMPRESSION. (X)Nov 10, 2000 · N3181U · Beech B36TCSDR CA001122012Exhaust Valve · burned(CAN) AFTER COMPLETING THE ENGINE CYLINDER DIFFERENTIAL COMPRESSION TEST ON A ROUTINE INSPECTION, DETERMINED NR 3 AND NR 4 CYLINDERS HAD EXCESSIVE LEAKAGE THROUGH THE EXHAUST VALVES. THE BAFFLES AT EACH END OF THE EXHAUST MUFFLER WERE FOUND BROKEN AWAY FROM TNov 8, 2000 · Cessna A185FSDR CA001107012Rocker · broken(CAN) AIRCREW REPORTED LT ENGINE ROUGH RUNNING AND OIL LEAK UPON INVESTIGATION EXHAUST ROCKER CAP FOUND BROKEN. BOTH ROCKER ARM ADJUSTERS INTAKE AND EXHAUST WERE BACKED ALL WAY OUT. AT NUMBER 8 CYLINDER.Nov 7, 2000 · Cndair CL2151A10SDR 20001205SH010Plug · erodedNOTED LOW COMPRESSION. REMOVED NR 1 CYLINDER, NOTED 1 EACH PISTON PIN PLUG MISSING. OTHER PISTON PIN PLUGS WORN TO TAPERED SIZE. PISTON PIN HOLE IN PISTON SEVERELY ELONGATED AND MELTED. ALUMINUM NUGGETS FOUND INSIDE OF PISTON PIN. OIL FILTER CONTAINED LARNov 7, 2000 · N54JL · Amtr MUSTANG2SDR 20001214SH022Exhaust Valve · groovedDUE TO LOW COMPRESSION READING, CYLINDER WAS BORESECOPED. EXTREME OVERHEATING OF EXHAUST VALVE WAS NOTED. WEAR GROOVE WAS CUT INTO VALVE FACE BY SEAT. REMOVED CYLINDER. UPON INSPECTION, UNUSUAL WEAR WAS DUE TO MISALIGNMENT OF VALVE GUIDE OR VALVE SEAT. CYNov 1, 2000 · N36TU · Beech B36TCSDR 20001218SH007Cylinder · delaminatedCERMINIL COATING DELAMINATED FROM ONE STEEL CYL BORE AT 82.2 HRS TSO. POSSIBLE CAUSE, SOME INDIVIDUAL POSSIBLY TOUCHED CYL BORE JUST BEFORE PROCESSING. TOUCHING CYL BORE AFTER FINAL CLEANING AND/OR DURING PROCESSING IS STRICTLY PROHIBITED IN SPECS FOR PROCESOct 30, 2000SDR 20001109SH016Cylinder · brokenTHE PUSH ROD TUBE RETAINER CLIPS, PN SL14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)Oct 30, 2000 · N13472 · Cessna 177BSDR 20001109SH015Cylinder · brokenTHE PUSH ROD TUBE RETAINER CLIPS, PN SL14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)Oct 30, 2000 · N13472 · Cessna 177BSDR 20001109SH014Cylinder · brokenTHE PUSH ROD TUBE RETAINER CLIPS, SL 14995, IN NR 2, NR 3, AND NR 4 VALVE COVERS WERE BROKEN OFF AT THE BOLT HEADS. DETECTION WAS DUE TO A DENT IN THE VALVE COVER OF NR 2 CYLINDER. SUBMITTER STATED IT APPEARED TO BE A MATERIAL DEFECT. (X)Oct 30, 2000 · N13472 · Cessna 177BSDR 20001030SH033Cylinder · delaminatedCERMINIL COATING DELAMINATED FROM ONE STEEL CYLINDER BORE AT 82.2 HOURS TSO. POSSIBLE CAUSE, SOME INDIVIDUAL POSSIBLY TOUCHED CYLINDER BORE JUST BEFORE PROCESSING. TOUCHING THE CYLINDER BORE AFTER FINAL CLEANING AND/OR DURING PROCESSING IS STRICTLY PROHIBITEOct 30, 2000SDR 20001120SH062Rocker Boss · out of positionCYLINDER HAD LOW COMPRESSION. WHEN ROCKER BOSS COVER WAS REMOVED, THE EXHAUST SIDE OF ROCKER SHAFT BOSS WAS FOUND IN BOTTOM OF COMPARTMENT. CHROME CYLINDER WAS OVERHAULED 226 HOURS PRIOR. (X)Oct 25, 2000 · N83296 · Piper PA18150SDR AU001056Piston · wrong part(AUS) INCORRECT PISTONS FITTED TO NR 4 AND NR 7 CYLINDERS. THE PISTONS WERE UNDRILLED AND ARE ONLY USED IN NR 5 AND NR 6 CYLINDERS. THE ENGINE HAD BEEN OVERHAULED IN THEUSA. UNAPPROVED PART. (X)Oct 24, 2000 · Wthrly 620BSDR 20010301CW002Gasket · damagedA BACKED OUT ROCKER COVER SCREW WAS NOTICED AND A CHECK OF ALL ROCKER SCREWS REVEALED THAT MOST HAD A TOTAL LOSS OF TORQUE, WITH THE REMAINING HAVING NEARLY A TOTAL LOSS. GASKETS WERE INSTALLED 7 HOURS EARLIER WITH NEW SCREWS, WASHERS AND LOCKWASHERS. GASKETOct 19, 2000 · N8595A · Beech A35
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