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 NACA20010020Exhaust Valve · stuckFEATHERED THE NR 1 ENGINE AT 0345Z DUE TO NR 16 CYLINDER LT & RT LOW COMPRESSION PATTERN. REPLACED THE NR 16 CYLINDER. (EXHAUST VALVE STUCK OPEN).SDR CA011102006Spring · broken(CAN) ENGINE VIBRATION WHILE IN FLIGHT. AFTER INSPECTION, THE NR 2 ENGINE CYLINDER WAS FOUND WITHOUT COMPRESSION. THE ADMISSION VALVE WAS FOUND INOPERATIVE. A NEW CYLINDER WAS INSTALLED AND SUCCESSFUL ENGINE TESTS WERE CARRIED OUT. THE CYLINDER WAS SENT TO A RSDR AUS20010450Cylinder · leaking(AUS) ENGINE CYLINDERS IN POOR CONDITION. OIL LEAKING PAST VALVE STEMS.SDR CA010529023Nut · damaged(CAN) AFTER LANDING PILOT WAS TAXIING FOR SHUTDOWN WHEN HE HEARD A BANKING NOISE AND REAR ENGINE ROUGHNESS. INSPECTION REVEALED A DENT IN VALVE COVER. COVER REMOVED AND FOUND BOTH ROCKER SHAFT HOLD DOWN STUDS SHEARED. IT HAS BEEN NOTED BEFORE ON OTHER AIRCRAFTSDR CA010622024Valve Guide · worn(CAN) ON THE 1ST EVENT INSPECTION AFTER ENGINE WAS INSTALLED FOUND NR 5 CYLINDER FAILED COMPRESSION CHECK WITH 15/80. PROGRESSIVE AIR IN KAMLOOPS SUSPECTS GUIDE WORN. RETURNED CYLIDER TO THEM FOR WARRANTY CONSIDERATION.SDR 20010612CW010Rocker · brokenIN CRUISE FROM TOL TO CYOO, RIGHT ENGINE STARTED RUNNING ROUGH. DIVERTED TO IAG. FOUND NR 5 CYLINDER EXHAUST ROCKER ASSEMBLY BROKEN. EXHAUST VALVE WOULD NOT OPEN.SDR 20010420CW012Housing · crackedLT ENGINE NOT PRODUCING POWER, LEAKING OIL OUT LEFT LEFT TOP GRATE. INSPECTED, FOUND CASE CRACKED BELOW NR 1 CYLINDER AROUND PUSH ROD HOUSING ASSEMBLY AND NR 1 CYLINDER BOTH TOP AND BOTTOM FORWARD CYLINDER DOWN NUTS BROKEN OFF. REMOVED AND REPLACED ENGINE.SDR AUS20010528Pushrod · distorted(AUS) NR 7 CYLINDER EXHAUST VALVE PUSHROD BENT AND PUSHROD SHROUDDAMAGED CAUSING OIL LEAK. INVESTIGATION FOUND THE VALVE STEM CAP SEPARATED AND THE PISTON SUFFERING FROM SLIGHT IMPACT DAMAGE WITH THE EXHAUST VALVE. METAL CONTAMINATION OF OIL FILTER.SDR AUS20010527Valve · worn(AUS) NO2 CYLINDER INLET VALVE DAMAGED IN THE COLLETT RECESS AREA.VALVE STEM CAP SEPARATED AND ONLY ONE COLLETT HALF WAS RETAININGTHE VALVE SPRING. METAL PARTICLES FROM THE DAMAGED VALVE WERE FOUND IN THE OIL FILTER AND PARTICLES OF THE MISSING COLLETT WERE FOSDR 20010501CW003Arm · wornDURING VALVE CLEARANCE INSPECTION, FOUND NR 6 INTAKE ROCKER ARM FACE WHERE IT CONTACTS ROTATER CAP, WORN SEVERELY .1250 AND BADLY PITTED. ENGINE HAS BEEN ON OIL ANALYSIS SINCE OVERHAUL WITH NO PROBLEMS NOTED. ALL OTHER ROCKER ARMS FOUND NORMAL. PROBABLE CAUSDR 20010409CW012Valve Guide · stuckRECEIVED 2 EA CYLINDERS FOR OVERHAUL. UPON DISMANTLING, WE FOUND BOTH EXHAUST VALVES STUCK. WE HAD TO DRIVE THEM OUT WITH A DRIFT. SN 15130 EXHAUST GUIDE SIZE BOTTOM .433 TOP .4365 SN 15131 EXHAUST GUIDE SIZE BOTTOM . 433 TOP .4SDR 20010409CW011Valve Guide · stuckRECEIVED 2 EA CYLINDERS FOR OVERHAUL UPON DISMANTLING WE FOUND BOTH EXHAUST VALVES STUCK . WE HAD TO DRIVE THEM OUT WITH A DRIFT. SN NR 15130 EXHAUST GUIDE SIZE BOTTOM .433 TOP .4365 SN NR 15131 EXHAUST GUIDE SIZE BOTTOM .433 TOP .437SDR AU010347Rocker Boss · cracked(AUS) ENGINE CYLINDER ROCKER HATS (2OFF) CRACKED AT PUSHROD END. EVIDENCE OF ROCKER HAT CONTACT ON THREE OTHER CYLINDERS.SDR AU010333Piston Pin · faulty(AUS) DURING PRE-PURCHASE INSPECTION IT WAS FOUND THAT THE LOG BOOK ENTRY INDICATED THAT ONLY ONE NEW PISTON PIN HAD BEEN FITTED ANDTHAT THE OTHER FIVE HAD BEEN INSPECTED BY MAGNETIC PARTICLE INSPECTION AND REFITTED. AD/CON/62 AND TCM SB M87-11 REV 2STATES THASDR 20010430CW007Lifter · spalledRIGHT ENGINE, DAMAGE NOTED TO LEFT ENGINE PROMPTED INSPECTION OF THIS ENGINE. REMOVAL OF LIFTER ASSEMBLIES FROM RANDOM CYLINDERS REVEALED SPALLING TO THE LIFTER FALES AND DAMAGE AND WEAR TO THE ASSOCIATED CAM LOBES. THIS DAMAGE WAS NOTED ON THE INTAKE LIFTERSDR 20010430CW006Lifter · spalledLEFT ENGINE, MECHANIC WAS CHANGING LEAKY PUSHROD TUBE SEALS AND REMOVED LIFTERS TO BLEED OUT OIL. NOTED FACE OF LIFTER TO BE SEVERELY SPALLED. ASSOCIATED CAM LOBE WAS WORN AND STEPPED. REMOVAL OF REMAINING LIFTERS REVEALED VARIED DEGREES OF SPALLING ON ALL SDR 20010405CW001Rod Cap · failedDURING CRUISE FLT RT ENG NR 2 CYL PISTON CONN ROD BROKE LOOSE FROM CRANKSHAFT, PENETRATED UPPER CRANKCASE. NR2 CYL SEP FROM ENGINE, RESTED IN COWLING. THE FORCE OF CONNECTING ROD COMING THROUGH THE CASE BROKE LEFT MAGNETO OFF ITS BASE AND PUNCHED A HOLE IN SDR AU010368Cylinder · damaged(AUS) RT ENGINE CYLINDERS AND PISTONS DAMAGED BY DETONATION.SDR AU010319Valve Guide · worn(AUS) NR 2 AND NR 6 CYLINDER EXHAUST VALVE GUIDES WORN.SDR 20010410AP017Cylinder · crackedCRACK IN CYLIDER EXTENDED FROM BOTH SPARK PLUG BOSSES TO THE EXHAUST SEAT.SDR AU010250Collet · failed(AUS) LT ENGINE NR 6 CYLINDER VALVE COLLETS FAILED. INLET VALVE DROPPED. METAL CONTAMINATION OF OIL SYSTEM. OTHER COLLETS INSPECTED HADSIGNS OF ABNORMAL WEAR. SUSPECT UNAPPROVED PARTS.SDR NACA2001013Cylinder · crackedSHUT DOWN NR 2 ENGINE DUE TO ROUGHNESS AND OIL LOSS. (NR 4 CYLINDER CRACKED). REPLACED CYLINDER NR 4 ON THE NR 2 ENGINE.SDR 20010411CW001Lifter · brokenAIRCRAFT SUFFERED A LOSS OF OIL PRESSURE. TEARDOWN OF THE ENGINE REVEALED THE HYDRAULIC LIFTER BODY ON THE NR 5 CYLINDER HAD BROKEN.SDR AU010215Cylinder · separated(AUS) RT ENGINE NNR 1 CYLINDER UPPER BARREL AND HEAD SEPARATED. DAMAGE TO PISTON, RINGS, BARREL, INDUCTION TUBE AND PUSHROD TUBE. OIL FILTER METAL CONTAMINATION.SDR 20010501CW006Cylinder · crackedNO RECORDS ON CYLINDERS. AIRCRAFT LOST POWER AFTER TAKE OFF AND LANDED LONG, RAN INTO WOODS (DESTROYED AIRCRAFT) PILOT UNHURT. INVESTIGATION REVEALED NR 2 ENGINE CYLINDER VAS CRACKED FROM THE INTAKE VALVE HOLE TO SPARK PLUG HOLE, ALMOST COMPLETELY AROUND SDR CA010403013Housing · broken(CAN) DURING A FLIGHT, THE PILOT FELT AN ENGINE VIBRATION AND POWER REDUCTION. HE LANDED ON A LAKE. MAINTENANCE FOUND A CYLINDER WITH ROCKER HOUSING BROKEN.SDR 20010410AP010Piston · brokenON A FLIGHT FROM EL PASO TO 5T6 THE OIL PRESSURE STARTED TO FLUCTUATE , ON INSPECTION THE OIL FILTER WAS FULL OF ALUM. WHEN THE ENGINE WAS REMOVED & DISMANTLED NR 4 CYLINDER PISTON SKIRT WAS BROKEN OFF THERE WERE NO SIGHS OF ANY PARTS OUT OF ALLIGIMENT OR STUCSDR 20010409CW016Cylinder · crackedAIRCRAFT WAS 4 MILES FROM AIRPORT WHEN A LOUD BANG WAS HEARD AND THE ENGINE STARTED VIBRATING AND MISSING. PILOT PULLED POWER BACK TO IDLE AND LANDED SAFELY AT AIRPORT. INSPECTED ENGINE AND FOUND NR 3 ENGINE CYLINDER WITH A CRACK, HALF AROUND CYLINDER. THISSDR 20010501CW019Cylinder · destroyedNR 3 CYLINDER AND PISTON ASSEMBLY. REMOVED DUE TO LOW COMPRESSION AND COMPLAINT FROM PILOT OF RUNNING ROUGH. PISTON APPEARS TO HAVE SEVERE PREIGNITION OR DETONATION.SDR 20010410AP008Stud · brokenPILOT REPORTED BAD VIBRATION ON FINAL APPROACH. UPON INSPECTION IT WAS DISCOVERED THAT THREE OF FOUR OF THE TOP CYLINDER HOLD DOWN STUDS ON THE NR 3 CYLINDER HAD BROKEN OFF AT THE ENGINE CASE. NO INTERNAL DAMAGE WAS FOUND. CAUSE UNKNOWN.SDR 20010412CW009Cylinder · leakingAIRCRAFT LANDED. OIL LEAKING FROM LEFT ENGINE. INSPECTION REVEALED NR 4 CYLINDER VALVE COVER BROKEN DUE TO VALVE ROCKER ASSEMBLY BROKEN FROM CYLINDER BOSS. PROBABLE CAUSE STUCK VALVE OR METAL FATIGUE AT BOSS.SDR 20010404CW004Cylinder · crackedCYLINDER CRACKED SAME AS PREVIOUS CYLINDERS FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EX SEAT TO BOTTOM SPARK PLUG HOLE.SDR BJ3RE000007Exhaust Valve · wornDURING AN IRAN INSPECTION, IT WAS NOTICED THAT THE AMOUNT OF VALVE SHOWING ABOVE THE KEEPER WAS LESS ON ONE CYINDER THAN ON THE OTHERS. UPON DISASSEMBLY IT WAS FOUND THAT #3 CYLINDER EXHAUST VALVE WAS 1/16TH INCH SHORTER THAN THE OTHER VALVES. A SLIGHT MUSHROSDR NAFA2001001Cylinder · crackedFEATHERED NR 2 ENGINE DUE TO CYLINDER FAILURE. REMOVED AND REPLACED THE NR1 CYLINDER ON THE NR 2 ENGINE.SDR AU010179Cylinder · cracked(AUS) NR 1 AND NR 3 CYLINDERS CRACKED FROM UPPER SPARK PLUG HOLE. CRACK LENGTHS APPROXIMATELY 25.4MM (1IN). BOTH CYLINDERS ARE P0.015IN.SDR 20010404CW003Cylinder · crackedCYLINDER CRACKED SAME AS PREVIOUS CYLINDERS, FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EX SEAT TO BOTTOM SPARK PLUG HOLE.SDR 20010323CW001Cylinder · crackedCYLINDER CRACKED SAME AS PREVIOUS CYLINDERS FROM TOP SPARK PLUG HOLE AROUND OUTSIDE EX SEAT TO BOTTOM SPARK PLUG HOLE.SDR AU010245Cylinder · corroded(AUS) ENGINE CYLINDERS PNO 649358, LIFTERS PNO 646277 AND CAMSHAFT PNO649322A1 CONTAINED PITTING CORROSION. ENGINE HAS ONLY 242.6 HOURS TOTAL TIME SINCE NEW.SDR AUS20010938Piston · damaged(AUS) NR 2 CYLINDER PISTON HOLED IN AREA OF RING GROOVES. EXCESSIVE CRANKCASE PRESSURE VENTED OIL THROUGH THE BREATHER. LOSS OF OIL PRESSURE CAUSED NR 1 CYLINDER CONNECTING ROD BIGEND FAILURE. INVESTIGATION FOUND A PIECE OF BROKEN PISTON RING HAD BEEN WORKING SDR 20010426CW020Cylinder Head · crackedCYLINDER CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEATS BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: 52J976779, 52J976780, 52J976781, 52J976782, 52J976787, (52J976788).SDR 20010426CW019Cylinder Head · crackedCYLINDER CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEATS BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: 52J976779, 52J976780, 52J976781, 52J976782, (52J976787), 52J976788.SDR 20010426CW018Cylinder Head · crackedCYLINDER CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEATS BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: 52J976779, 52J976780, 52J976781, (52J976782), 52J976787, 52J976788.SDR 20010426CW017Cylinder Head · crackedCYLINDER CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEATS BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: 352J976779, 52J976780, (52J976781), 52J976782, 52J976787, 52J976788.SDR 20010426CW016Cylinder Head · crackedCYLINDER CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEAT BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: 52J976779, (52J976780), 52J976781, 52J976782, 52J976787, 52J976788.SDR 20010426CW015Cylinder Head · crackedCYLINDERS HAVE CRACKS ADJACENT TO EXHAUST SEAT AND INTAKE SEATS BETWEEN FINS 14 AND 20. CYLINDER SERIAL NUMBERS: (52J976779), 52J976780, 52J976781, 52J976782, 52J976787, 52J976788.SDR AU010150Cylinder · cracked(AUS) ENGINE NO2 CYLINDER CRACKED AT BASE. OIL LEAKING FROM CRACK.SDR 20010416CW005Cylinder · wornVALVE CHECK SHOWS EXCESS WOBBLE IN EX GUIDE.SDR 20010426CW026Cylinder 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, 52L9769SDR 20010426CW025Cylinder Head · crackedCYLINDER HEADS CRACKED ON INTAKE SIDE ON EXTERIOR 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.SDR 20010426CW024Cylinder Head · crackedCYLINDER HEADS CRACKED ON INTAKE SIDE ON EXTERIOR ADJACENT TO INTAKE SEAT. UNLIKE MANY OTHER CRACKED MILLINEUM CYLINDER, THESE WERE ALSO CRACKED ON THE EXHAUST SIDE VISIBLE FROM OUTSIDE BETWEEN FINS 18 TO 20. CYLINDER SERIAL NUMBERS: 52L976947, 52L976948,
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