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 96ZZZX3379Cylinder · wornINSPECTION FOUND CYLINDER ASSEMBLIES WERE STEPPED AT TOP OF BORE. RINGS HAD KNIFE EDGE AT TOP FACE OF RING.SDR 96ZZZX2506Cylinder · boss crackedDURING POST 100 HOUR OPERATIONAL RUN AND LEAK CHECK, NOTED A NOISE SIMILAR TO A 'BAFFLE RATTLE' BEING MADE. AFTER SHUT DOWN, NO LOOSE BAFFLES WERE FOUND. THE ROCKER BOX COVERS WERE REMOVED TO REPLACE THE GASKETS FOUND LEAKING. WHEN NR 1 COVER REMOVED, A SMASDR 96ZZZX2379Cylinder · crackedEXAMINATION TO DETERMINE CAUSE OF ENGINE FAILURE DISCLOSED NR 1 CYLINDER HAD CRACKED APPROXIMATELY THREE-FOURTHS OF THE BARREL CIRCUMFERENCE CAUSING LOSS OF OIL QUANTITY AND PRESSURE.SDR 96ZZZX4145Piston Pin · brokenON PREFLIGHT RUN-UP, PILOT NOTICED OIL PRESSURE LOWER THAN NORMAL. MAINTENANCE FOUND METAL IN OIL SCREEN. ON TEAR-DOWN INSPECTION, FOUND NR 3 PISTON PIN BROKEN IN HALF WHICH CAUSED PISTON TO BREAK AND SUBSEQUENT DAMAGE TO CONNECTING ROD AND CRANKCASE.SDR CA960423103Cylinder · detached(CAN)#1 ENGINE RUNNING ROUGH ON APPROACH #9 CYLINDER PULLED AWAY FROM CRANKCASE ENGINE REPLACEDSDR CA960423101Piston · pounded(CAN)POWER LOSS IN THE CLIMB FOLLOWED BY IMMEDIATE LANDING. #6 CYLINDER FAILED DUE TO INGESTION OF METAL DEBRIS WHICH HAD REMAINED IN THE INDUCTION SYSTEM AFTER THE FAILURE OF #2 CYLINDER EXHAUST VALVE ON THE PREVIOUS DAY.SDR CA960423102Valve · failed(CAN)ON FIRST POWER REDUCTION AFTER AIRBORNE ON FLOATS, ENGINE LOST POWER. AIRCRAFT LANDED AND WATER TAXIED BACK TO DOCK. #2 CYLINDER EXHAUST VALVE FAILED. HALF OF VALVE FACE WAS MISSING. TOP OF PISTON PEE NED BY VALVE PIECES BOUNCING AROUND IN CYLINDER.SDR AU960512Valve Guide · worn(AUS) NO1 CYLINDER EXHAUST VALVE GUIDE AND VALVE STEM WORN AND LEAKING - VALVE GUIDE AND VALVE ARE ONLY 70 HOURS TSNSDR 96ZZZX2407Piston · burnedAIRCRAFT LOST POWER ON NR 1 ENGINE. REMOVAL OF NR 5 CYLINDER REVEALED PISTON DOME EDGE BURNED AWAY FROM 6:00 POSITION TO 12:00 POSITION. AT 9:00 POSITION, PISTON DOME BURNED COMPLETELY THROUGH, APPROXIMATELY 1 INCH OF PISTON MATERIAL MISSING FROM EDGE TOWARDSDR AU960759Valve · sticking(AUS) EXHAUST VALVE STUCK - OTHER FIVE VALVES TIGHT IN VALVE GUIDESSDR AU960577Cylinder · cracked(AUS) NO3 CYLINDER EXTENSIVELY CRACKED IN THE AREA AT THE TOP OF THE CYLINDER BORE WITH A TOTAL OF THREE CRACKSSDR 96ZZZX2176Retainer · crackedPUSHROD TUBE ON NR 2 CYLINDER INTAKE HAS A PERSISTENT OIL LEAK NEAR THE CRANKCASE. WHEN CHANGING THE PUSHROD TUBE SEAL THIS TIME, THE PUSHROD TUBE RETAINER WHICH IS PRESSED INTO THE CRANKCASE WAS FOUND CRACKED ABOUT ONE-FOURTH OF THE WAY AROUND THE CIRCUMFERESDR DJSA2396001Cylinder · crackedNR 3 CYLINDER CRACKED ON NR 1 ENGINE, CAUSE UNKNOWN, CHANGED CYLINDER. (X)SDR 96ZZZX2036Piston · brokenENGINE WAS 'REMANUFACTURED' BY LYCOMING, DATED 12-13-90. REMOVAL OF NR 3 CYLINDER TO INVESTIGATE AN OIL FOULING PROBLEM REVEALED A BROKEN PISTON. PISTON SKIRT HAD BROKEN OFF ON THRUST SIDE (TOP) OF PISTON BETWEEN THE PISTON PIN BOSSES AND UP TO OIL CONTROL RSDR 96ZZZX2028Cylinder · misinstalledWHEN TRYING TO REMOVE CYLINDERS FOR A TOP OVERHAUL, FOUND TORQUES VERY HIGH TO ALMOST FINGER TIGHT ON CYLINDER STUDS AND THROUGH-BOLTS. THIS ENGINE HAS TORQUE PASTE STILL IN PLACE - ONE-HALF INCH DRIVE AIR WRENCH DID NOTHING - HAD TO CHISEL TWO NUTS OFF SO FASDR CA960416001Piston Pin · fractured(CAN)ENGINE TEARDOWN DUE TO METAL CONTAMINATION OF THE OIL. #4 PISTON DISINTEGRATED DUE TO FRACTURE OF PISTON PIN. MAGNAFLUX REVEALS STRESS CRACKING IN ANOTHER PIN.SDR AU960410Cylinder · wrong part(AUS) CYLINDER AND PISTON FITTED TO NO3 POSITION WERE INCORRECT PARTS -INCORRECT CYLINDER PNO 646680 HAD A SHORT REACH SPARK PLUG - CORRECT PNO 653444 CYLINDER HAS A LONG REACH SPARK PLUG AND PISTON PNO 648029 WITH STEEL INSERT - DIFFERENCE IN PISTON WEIGHTS SDR 96ZZZX2390Retainer · crackedAFTER INSTALLATION AND PROPER TORQUE, THE SPRING RETAINER CRACKED INTO 2 PIECES THROUGH THE STUD HOLE.SDR 96ZZZX2412Engine · defectivePRE-PURCHASE INSPECTION OF AIRCRAFT REVEALED ENGINE COMPRESSION WELL BELOW ACCEPTABLE LIMITS, SEAT RAILS WERE WORN BEYOND LIMITS. ESTABLISHED BY AIRWORTHINESS DIRECTIVE. ELEVATOR TRIM TAB WITH HOLES CORRODED THROUGH THE TAB SKIN. AIRCRAFT WAS ANNUALLED THE SDR 96ZZZX2408Cylinder · crackedFIVE OF SIX CYLINDERS HAVE CRACKS IN ROCKER BOSS AREA UP TO THE ROCKER SHAFT RETAINING BOLTS. TWO OF THESE FIVE HAVE CRACKS ON INTAKE AND EXHAUST BOSSES. THIS ENGINE DOES NOT INCORPORATE LONG BOLTS AND SOLID SHAFTS.SDR 96ZZZX2152Cylinder · crackedNR 3, NR 2, AND NR 5 CYLINDERS WERE FOUND CRACKED AT INTAKE SEAT.SDR 96ZZZX2150Cylinder · crackedNR 2, NR 6, NR 1, NR 3, AND NR 5 CYLINDERS WERE FOUND CRACKED AT INTAKE SEAT.SDR 96ZZZX2394Stud · detachedPILOT REPORTED IN-FLIGHT: NOSE GEAR WILL NOT EXTEND NORMALLY, FLY-BY, TOWER VERIFIED NOSE GEAR NOT DOWN. EMERGENCY GEAR EXTENDED, ALL GEAR EXTENDED, SAFE LANDING. FINDINGS: EXHAUST STUD FROM NR 4 CYLINDER FELL OUT AND LODGED IN HINGE SLOT FOR NOSE GEAR DOOSDR 96ZZZX2025Piston Rod · failedAIRCRAFT LOST POWER ON TAKEOFF. PILOT LANDED IN FIELD AT END OF RUNWAY. FOUND FORWARD RIGHT PISTON ROD HAD LOST END CAP (BOLTS FAILED) AND WENT THROUGH CRANKCASE BREAKING STARTER. ENGINE HAD ONLY 30.0 HRS SMOH.SDR 96ZZZX2294Valve · head separatedENGINE ROUGHNESS DURING FLIGHT FOUND BENT PUSHROD HOUSING AND PUSHROD. REMOVED CYLINDER AND FOUND VALVE HEAD SEPARATED FORM STEM INTAKE SIDE.SDR AU960298Retainer · cracked(AUS) ENGINE PUSH ROD TUBE RETAINERS (4OFF) CRACKED - RETAINERS WERE SHIPPED WITH GASKET SET PNO SL 75439-1SDR AU960299Piston · worn(AUS) ALL SIX CYLINDERS FOUND TO HAVE EXCESSIVE WEAR TO PISTONS, RINGS AND VALVE TRAIN INCONSISTANT WITH TIME SINCE OVERHAUL - SUSPECTCAUSED BY UNREPORTED ENGINE OVERSPEEDSDR AU960296Cylinder · cracked(AUS) LH ENGINE NO3 CYLINDER CRACKED IN AREA OF EXHAUST PORT - CRACK LENGTH 50.8MM (2IN)SDR 96ZZZX1711Valve · failedON TAKEOFF, ENGINE BEGAN TO VIBRATE (AT FULL POWER SETTINGS). RETURNED TO AIRPORT. UPON INSPECTION, FOUND NR 4 INTAKE VALVE BROKEN IN HALF ON FACE AREA. NR 4 PISTON SEVERELY DAMAGED, COULD NOT LOCATE PARTS OF MISSING VALVE. SUSPECT INJESTED INTO ENGINE THOSDR 96ZZZX1468Cylinder · crackedFINDING STEEL CYLINDERS ARE CRACKING FROM THE FUEL INJECTOR BOSS ACROSS TO THE SPARK PLUG BOSS ON A REGULAR BASIS. SUBMITTER REPORTS SOME CYLINDERS WITH AS LITTLE AS 600.0 TT CRACKED. SUBMITTER BELIEVES THERE MUST BE SOME TYPE OF MANUFACTURING PROBLEM.SDR AU960321Piston · broken(AUS) NO5 CYLINDER PISTON SKIRT BROKEN - METAL CONTAMINATION OF OIL SYSTEMSDR 96ZZZX1542Cylinder · failedNR 2 CYLINDER BROKE AT BASE. CYLINDER CAME LOOSE FROM THE CRANKCASE CAUSING ENGINE VIBRATION. PILOT SHUT DOWN ENGINE IN-FLIGHT. ON DISASSEMBLY, FOUND CRANKCASE AND PISTON DAMAGED. THE ENGINE WAS REMOVED FROM SERVICE.SDR DJSA2396002Cylinder · crackedRETURNED TO 'TOL' WITH ROUGH RUNNING ENGINE. FOUND NR 1 CYLINDER CRACKED ON NR 2 ENGINE. (X)SDR 96ZZZX1790Spring · brokenROUGH ENGINE OPERATION ABOVE 2,500 RPM'S. FOUND NR 4 CYLINDER OUTER EXHAUST VALVE SPRING BROKEN.SDR CA960327017Cylinder · broken rocker(CAN) PILOT NOTICED A SUDDEN LOSS OF POWER FROM 2400 RPM TO 2200 RPM WITH A SLIGHT VIB AND ROUGHNESS. IT WAS FOUND THAT #1 CYL WAS COLD. WHEN THE ROCKER COVER WAS REMOVED, THE INT, EXH, ROCKER ARMS AND ROCKER ARM SHAFT WERE LAYING INSIDE THE COVER NO LONGER ASDR 96ZZZX1709Cylinder · damagedDURING A TEAR DOWN OF AN ENGINE, FOUND CYLINDERS WERE VERY HARD TO MOVE. AFTER THEY WERE TAKEN OFF, NOTICED ENGRAVED ETCHING ON CYLINDER SKIRT WAS RAISED AND VERY MUCH HIGHER THAN THE SURROUNDING AREA. THE VIBRATING PENCIL WAS VERY SHARP AND SET TO CUT MAXIMSDR AU960640Valve Seat · separated(AUS) NO1 CYLINDER VALVE SEAT SEPARATED - NO2 CYLINDER PISTON RING LANDWORNSDR CA960311101Push Rod · mushroomed(CAN)WHILE CARRYING OUT TEXTRON LYCOMING SERVICE INSTRUCTION #1068A, #4 EXHAUST PUSH ROD MUSHROOMED ON OUTER END, ALL OTHER PUSH RODS OK. AD 95-03-10 NOT APPLICABLE BY ENGINE SERIAL NUMBER AND PUSH ROD PART NUMBER.SDR 96ZZZX2151Cylinder · crackedNR 4 AND NR 1 CYLINDERS WERE FOUND CRACKED AT INTAKE SEAT.SDR 96ZZZX1529Cylinder · head separatedCYLINDER HEAD SEPARATED FROM BARREL.SDR AU960344Valve Guide · worn(AUS) NO2, NO4 AND NO6 CYLINDER EXHAUST VALVE GUIDES WORN BEYOND LIMITSSDR 96ZZZX2555Valve Guide · looseVALVE GUIDE LOOSENED IN CYLINDER HEAD ALLOWING CYLINDER TO MISFIRE. NOTE: DIFFICULT TO DIAGNOSE. COMPRESSION WAS 55/80 UNTIL SPRING ASSY WAS MOVED. SUBMITTER RECOMMENDS CHECKING SPRING ASSYS FOR SIDE PLAY WHEN VALVE COVERS REMOVED FOR ANY REASON.SDR 96ZZZX2074Cylinder · failedDURING ENGINE RUN-UP FOR TAKEOFF, ENGINE QUIT. INVESTIGATION BY BORESCOPE FOUND NR 4 CYLINDER EXHAUST VALVE NOT WORKING. REMOVED ROCKER BOSS AND FOUND EXHAUST VALVE ROCKER SHAFT INBOARD ROCKER BOSS CASTING AND COVER TAB FAILED. OUTBOARD CASTING OK. ALL OTHSDR 96ZZZX1254Piston Pin Plug · failedPISTON PIN PLUG, PN 60828, IS NOT CORRECT, BUT LOCATION IS CORRECT. ENGINE OVERHAULED 24.8 HRS AGO. COMPLAINT OF LOSS OF POWER. GROUND RUN SEEMED OK, NOTHING OBVIOUS. COMPRESSION TEST FOUND LOW COMPRESSION ON ONE CYLINDER. BORESCOPED AND COULD SEE METAL FSDR 96ZZZX1048Piston · rings brokenENGINE LOST OIL PRESSURE DURING FLIGHT. PILOT SHUT DOWN ENGINE AND MADE UNEVENTFUL LANDING. LARGE AMOUNT OF OIL WAS FOUND UNDER THE ENGINE AND UNDER THE WING. COMPRESSION CHECK SHOWED ZERO COMPRESSION ON NR 2 CYLINDER. CYLINDER REMOVED AND DISCOVERED ALL RSDR CA960429004Exhaust Valve · sticking(CAN)PERFORMING CESSNA SEB92-21 (LYC SB388B), #4 CYLINDER EXHAUST VALVE TO GUIDE CLEARANCE BELOW SPECIFIED. REWORKED IN ACCORDANCE WITH LYCOMING SI 1425. SB WAS NOT DUE FOR ANOTHER 170 HOURS.SDR 96ZZZX2159Valve · stuckAIRCRAFT WAS ON TRAINING FLIGHT AFTER PERFORMING ROUTINE MANEUVERS. ENGINE BEGAN TO RUN ROUGH. A FORCED OFF-FIELD LANDING WAS MADE WITHOUT DAMAGE TO AIRCRAFT, HOWEVER, INSPECTION ON ENGINE REVEALED STUCK VALVE (EXHAUST) ON NR 1 CYLINDER.SDR 96ZZZX941Pushrod · failedAIRCRAFT CRASHED AFTER TAKEOFF. POST-CRASH INSPECTION REVEALED NR 4 CYLINDER EXHAUST PUSHROD BROKEN AT VALVE END. NR 4 EXHAUST VALVE NOT IN OPERATION DUE TO BREAK OF PUSHROD. AD 80-25-02 AND AD 95-03-10 WERE ISSUED PERTAINING O-235 PUSHRODS. TWO OTHER PUSHSDR AU960232Cylinder · separated(AUS) NO4 CYLINDER HEAD SEPARATED FROM CYLINDER BARREL IN AREA OF SCREWTHREADS - PRE-EXISTING CRACK IN SCREW THREAD AREASDR CA960404012Piston Pin Plug · destroyed(CAN)LEFT ENGINE FAILED AFTER ONLY 31 HOURS AFTER OVERHAUL. FACTORY NEW CYLINDERS WERE INSTALLED AT OVERHAUL. ENGINE GRADUALLY LOST RPM. OIL FILTER AND PROP GOVERNOR SCREEN WERE FOUND TOTALLY PLUGGED WITH ALUMINUM FROM THE AFT PISTON PIN PLUG ON THE #1 CYLIND
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