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 CA990907006Plug · worn(CAN) METAL CONTAMINATION FOUND IN FILTER SCREEN FROM PISTON PIN WARE.SDR 99ZZZX3467Cylinder · crackedENGINE HAD 266.2 HOURS SINCE A FACTORY ZERO TIMED OVERHAUL 11-24-99. RIGHT ENGINE SHUT DOWN IN-FLIGHT DUE TO VIBRATION AND VISIBLE OIL LEAKAGE. UPON NORMAL SINGLE ENGINE LANDING, TOP COWL WAS REMOVED TO FACILITATE INVESTIGATION. FOUND NR 5 CYL CRACKED AT 7SDR CA990817026Cylinder Head · cracked(CAN) NR 4 CYLINDER FOUND CRACKED AT THE CYLINDER HEAD SPARK PLUG BOSS.SDR 99ZZZX3168Cylinder · wornDURING A ROUTINE 100-HOUR COMPRESSION TEST, EXCESSIVE LEAKAGE WAS NOTED GOING PAST THE EXHAUST VALVE. THE EXHAUST VALVE, EXHAUST VALVE GUIDE FOUND TO BE WORN OUT. THERE WAS NO CHOKE LEFT IN THE CYLINDER BORE. THIS IS A FACTORY RE-MANUFACTURED ENGINE.SDR 99ZZZX3162Stud · failedPEN YAN O.H. 8-93 WO NR 11057 TOTAL TIME 1,671 HRS. PILOT EXPERIENCED ROUGH RUNNING ENGINE. NR 3 CYLINDER HOLD-DOWN STUDS TOP AND BOTTOM RIGHT SNAPPED OFF A CYLINDER FLANGE. TOP 2 CENTER STUDS SNAPPED AT FLANGE. BOTTOM RIGHT CENTER STUD SNAPPED AT CASE. SMSDR 20000714SH005Cylinder · separatedNR 2 CYLINDER HEAD SEPARATED FROM BARREL. AIRCRAFT IN CRUISE, PRECAUTIONARY LANDING MADE WITHOUT INCIDENT. SUBMITTER RECOMMENDED UNTHREADING OF CYLINDER HEAD/BARREL AT OVERHAUL OR MANUFACTURE OF NEW CYLINDER ASSY. (X)SDR 99ZZZX4070Lifter · damagedDURING REPAIR OF CYLINDER NR 2, FOUND HYDRAULIC LIFTER OF INLET VALVE CYLINDERS NR 2 AND 1 DAMAGED. SPALLING OF SURFACE RUNNING ON THE CAMSHAFT. CAMSHAFT COVER INLET VALVE CYLINDERS NR 2 AND 1 HAD MATERIAL DAMAGED. ENGINE TSO 118 HOURS.SDR 99ZZZX4061Camshaft · damagedDURING REPAIR OF CYLINDER NR 2, FOUND HYDRAULIC LIFTER OF INLET VALVE CYLINDERS NR 2 AND 1 DAMAGED. SPALLING OF SURFACE RUNNING ON THE CAMSHAFT. CAMSHAFT COVER INLET VALVE CYLINDERS NR 2 AND 1 HAD MATERIAL DAMAGED. ENGINE TSO 118 HOURS.SDR AU990921Piston · out of limits(AUS) PISTON TO CYLINDER CLEARANCE OUT OF LIMITS. SUBMITTER SUSPECTED PISTON WAS A MADE TO ORDER ITEM.SDR PNSA990704Cylinder · brokenENGINE BEGAN TO VIBRATE IN CRUISE AND SUBSEQUENTLY LOST OIL PRESSURE. SECURED ENGINE AND LANDED AIRCRAFT. ENGINE REPLACED DUE TO CASE DAMAGE FROM BROKEN CYLINDER HOLD DOWN STUDS.SDR 99ZZZX2998Cylinder · wornTOP OF TRAVEL CHOKE OVERSIZE. COATING WORN AWAY ON NR 3 CYLINDER.SDR 99ZZZX3157Keeper · failedLEFT ENGINE NR 2 INTAKE VALVE KEEPER BROKE CAUSING VALVE TO HIT PISTON. PERFORMED TOP OVERHAUL. CLEANED OUT ALL OIL HOSES, CHECKED CRANKSHAFT FOR SCORING, CLEANED INTAKE SYSTEM. FIVE HOURS LATER (TOP) INTAKE VALVE AND PISTON WERE BEAT UP BY A PIECE OF METALSDR CA990818005Connecting Rod · broken(CAN) ENGINE FAILED, NR 5 CYLINDER CONNECTING ROD BROKEN.SDR CA990804041Cylinder · broken(CAN) NR 4 CYLINDER COMPRESSION RING BROKEN.SDR 99ZZZX2988Spring · brokenNR 4 CYLINDER INTAKE SPRING FOUND BROKEN AT ANNUAL INSPECTION.SDR CA990728077Cylinder · scored(CAN) OIL PASSING CYLINDER, AND ESCAPING THROUGH HUB BREATHER ROLL PINS.SDR 99ZZZX3000Cylinder · wornCHOKE OVERSIZE. COATING WORN AWAY ON NR 5 CYLINDER.SDR 99ZZZX2999Cylinder · wornCHOKE WORN OVERSIZE ON NR 2 CYLINDER.SDR 99ZZZX2997Cylinder · wornCHOKE WORN OVERSIZE ON NR 4 CYLINDER.SDR 99ZZZX2996Cylinder · wornTOP OF PISTON TRAVEL, CHOKE OVERSIZE. COATING WORN AWAY ON NR 1 CYLINDER.SDR 99ZZZX2994Cylinder · wornTOP OF TRAVEL OVERSIZE CHOKE. CHROME WORN AWAY ON NR 5 CYLINDER.SDR 99ZZZX2993Cylinder · wornCHOKE WORN OVERSIZE ON NR 5 CYLINDER.SDR 99ZZZX2992Cylinder · wornTOP CHOKE OVERSIZE. COATING WORN AWAY ON NR 4 CYLINDER.SDR 99ZZZX2991Cylinder · wornCHOKE OVERSIZE. COATING WORN AWAY ON NR 6 CYLINDER.SDR 99ZZZX2990Cylinder · wornCHOKE WORN OVERSIZE ON NR 3 CYLINDER.SDR CA990817024Exhaust Valve · loose(CAN) EXHAUST VALVE LET LOOSE IN NR 3 CYLINDER, SENT FOR O/H.SDR 99ZZZX2979Cylinder · crackedAFTER LEVELING OFF, ENGINE STARTED TO RUN ROUGH AND BACKFIRE. SECURED ENGINE AND FEATHERED PROPELLER. MAINTENANCE FOUND CYLINDER NR 1 CRACKED. REPLACED CYLINDER WITH AN OVERHAULED UNIT. AIRCRAFT GROUND RUN AND CHECKED SATISFACTORY.SDR 99ZZZX2800Cylinder · brokenDURING CRUISE FLIGHT, LEFT ENGINE BEGAN TO RUN ROUGH. PILOT FEATHERED ENGINE. A NORMAL SINGLE ENGINE LANDING WAS MADE. FOUND NR 3 CYLINDER BROKEN HALF WAY BETWEEN FLANGE AND BOTTOM OF HEAD. PISTON CAME OUT AND BROKE. CASE BROKE ALSO, STEEL CYLINDER.SDR 99ZZZX2934Cylinder · burnedPILOT REPORTED ROUGH ENGINE AND LOSS OF POWER AND BEING UNABLE TO CLIMB TO A SAFE ALTITUDE. OPTED TO MAKE PRECAUTIONARY LANDING ON BEACH. AIRCRAFT UNDAMAGED. UPON INSPECTION, NR 3 CYLINDER HAD NO COMPRESSION. SUBMITTER REMOVED CYLINDER AND FOUND A HOLE BURSDR CA990728079Connecting Rod · failed(CAN) NR 1 CONNECTING ROD FAILURE, ENGINE DAMAGE SEVERE. FURTHER INVESTIGATION AT TEAR-DOWN.SDR AU990823Cylinder · cracked(AUS) TWO CYLINDERS CRACKED IN THE AREA OF THE EXHAUST PORTS.SDR AU990688Cylinder · cracked(AUS) CYLINDER BARREL CRACKED IN EXTENSION BELOW BASE FLANGE.SDR 99ZZZX2987Circlip · failedIN CRUISE FLIGHT 2,400 RPM/10,000 FEET, CIRCLIP FAILED (BECAME DISCONNECTED) ON VALVE LIFTER TAPPET NR 3 CYLINDER ASSEMBLY TAKING THE REST OF THAT CYLINDER'S UPPER VALVE TRAIN WITH IT. A SAFE LANDING WAS MADE TO A ROAD.SDR CA990728088Crankshaft · separated(CAN) CRANKSHAFT AT CONNECTING ROD DAMAGED 25 HOURS POST-OVERHAUL. X-RAYS WERE TAKEN AT THAT TIME.SDR CA990907052Valve · failed(CAN) NR 1 CYLINDER EXHAUST VALVE FAILED.SDR 99ZZZX4475Cylinder · failedCYLINDER HEAD SEPARATED DURING FLIGHT. ACFT MADE PRECAUTIONARY LANDING. POST-INCIDENT INSP REVEALED NR 3 CYL HEAD SEPARATED BETWEEN ITS COOLING FINS. HEAD CRACKED, SEPARATED AT THREADS THAT SECURE CYL HEAD TO BARREL. EVIDENCE OF A 3 INCH CRACK NEAR EXH PORSDR 99ZZZX2929Cylinder · crackedTHIS NR 4 CYLINDER WAS REMOVED BECAUSE OF A VERY LARGE CRACK AROUND THE TOP OF THE HEAD. THIS AND 2 OTHER CYLINDERS WERE REMOVED AND REPAIRED AT 183.0 TSO BECAUSE OF LOOSE VALVE GUIDES AND SEAL TROUBLES. NOW HAS 1,038.9 TSO HOURS AND A CRACKED HEAD.SDR CA990728058Connecting Rod · bent(CAN) NR 5 CYLINDER CONNECTING ROD BENT CAUSING DAMAGE TO NR 5 AND NR 6 CYLINDER, CRANK, AND CAMSHAFTS.SDR 99ZZZX3066Piston Ring · failedREMOVED CYLINDERS BECAUSE LOWER COMPRESSION. FOUND BROKEN RINGS ON NR 2, NR 3, AND NR 4 CYLINDERS. CAUSE UNKNOWN.SDR 99ZZZX2755Cylinder · separatedCYLINDER HEAD SEPARATED FROM THE BARREL IN CRUISE. THE PISTON AND RINGS REMAINED IN THE CYLINDER AND THE HEAD CAME OFF AT THE END OF THE BARREL. THE HEAD CRACKED AROUND BETWEEN THE THIRD AND FOURTH COOLING FIN.SDR 99ZZZX2613Cylinder · failedAIRCRAFT DEPARTED SALT LAKE CITY FOR ST GEORGE, UT. DURING CLIMB, ENGINE BEGAN RUNNING VERY POORLY. ENGINE WAS FEATHERED. AIRCRAFT MADE UNEVENTFUL LANDING. INSPECTION OF ENGINE FOUND NR 5 CYLINDER ASSY FAILED. PISTON CONDITION VERY BAD. PRE-IGNITION ON VSDR CA990715050Cylinder · contaminated(CAN) HOLE FOUND IN NR 6 CYLINDER .5 INCH ABOVE MOUNTING FLANGE. OIL SCREENS HAD METAL CONTAMINATION. THE ENGINE WAS CHANGED. FURTHER INFO: CONNECTING ROD FAILURE 3.5 INCHES FROM PISTON PIN CUTOUT WAS FOUND DURING STRIP DOWN.SDR CA990728064Cylinder · separated(CAN) NR 6 CYLINDER SEPARATION AT CYLINDER HEAD AND BARREL. CYLINDER REPLACED.SDR CA990707051Cylinder · separated(CAN) LOSS OF POWER AT TAKEOFF. INVESTIGATION FOUND NR 6 CYLINDER HAD SEPARATED BETWEEN THE BARREL AND CYLINDER HEAD.SDR CA990728087Cylinder · damaged(CAN) LOSS OF ENGINE POWER. VALVE PISTON AND CYLINDER DAMAGE FOUND AT INITIAL INSPECTION, SENT FOR TEARDOWN.SDR 99ZZZX2541Head · crackedCRACK DEVELOPED FROM SPARK PLUG HOLE TOWARD INTAKE VALVE. COMPRESSION CHECK WAS GOOD BECAUSE CRACK WAS ABOVE COMBUSTION CHAMBER.SDR AU990580Cylinder · cracked(AUS) NR 3 CYLINDER CRACKED AROUND THE CIRCUMFERENCE OF THE CYLINDER BASE.SDR 99ZZZX3303Cylinder · crackedNR 2 CYLINDER CRACK APPROXIMATELY 300 DEGREE CIRCUMFERENCE ON 3RD FIN AREA BELOW SPARK PLUG HOLE. AIRCRAFT HAD A SLIGHT CYLINDER HEAD INCREASE WHICH ALERTED THE PILOT TO SEEK MAINTENANCE.SDR AU990769Cylinder · separated(AUS) CYLINDER HEAD SEPARATED FROM BARREL.SDR 99ZZZX2346Cylinder · crackedNR 2 CYLINDER DEVELOPED AN OIL LEAK DIAGNOSED AS A CRACK THROUGH THE CYLINDER CASTING IN THE AREA OF THE INTAKE VALVE SEAT. UPON REMOVING THE CYLINDER FOR EXCHANGE UNDER WARRANTY, THE EXHAUST AND INTAKE ROCKER ARMS WERE DISCOVERED SWAPPED AS DELIVERED FROM TH
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