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 NACA200000017Cylinder · crackedNR 1 ENGINGE SHUTDOWN AT 2350Z DUE TO ENGINE ROUGHNESS AND LOSS OF BMEP. REPLACED NR 18 CYLINDER DUE TO CRACKED HEAD.SDR CA000828005Cylinder · worn(CAN) AIRCRAFT DEPARTED, JUST AFTER TAKEOFF, THE PILOT NOTICED OIL ON THE WINDSHIELD. AFTER CHECKING ENGINE INSTRUMENTS, OIL TEMP NORMAL, OIL PRESSURE NORMAL. CYLINDER HEAD TEMP 240 (OAT FOR THE DAY WAS ABOUT 30 DEGREES CELSIUS). PILOT DECIDED TO CONTINUE TSDR CA000810014Piston Pin · chipped(CAN) ALUMINIUM CHIPS FOUND IN OIL FILTER.ALL CYLINDER REMOVED AND PISTON PIN NR 1, 2 AND 3 REPLACED (NR 4 WAS REPLACED AT 1171.4).SDR 20000816SH025Pushrod · pluggedC/W TCM SB MSB00-5B, (REPLACING CRANKSHAFT), FOUND PUSH ROD TUBE FOR NR 6 EXHAUST VALVE PLUGGED. THIS APPARENTLY WAS MIS-MANUFACTURED. FROM THE VALVE END IN APPROXIMATELY .1250 INCH FOR AN ADDITIONAL .3750 INCH. THE TUBE IS SOLID, SO NO OIL MAY PASS THROUGHSDR 20000811SH013Exhaust Valve · crackedEXHAUST VALVE BROKE ON NR 1 CYLINDER. HALF OF VALVE HEAD CAME OFF CAUSING DAMAGE TO NR 1 CYLINDER AND THEN BROKE INTO 3 PIECES. TWO PIECES LODGED IN THE MUFFLER. ONE SMALL PIECE TRAVELLED THROUGH THE INTAKE SYSTEM TO NR 4 CYLINDER WHERE IT DID DAMAGE TO THESDR CA000804021Cylinder · cracked(CAN) CYLINDER CRACKED SPARK PLUG HOLE TO INJECTOR HOLE.SDR CA000804020Cylinder · cracked(CAN) CYLINDER CRACKED INJECTOR PLACE TO VALVE. (X)SDR CA000804018Piston · burned(CAN) APPROXIMATELY 8 MINUTES AFTER TAKEOFF, PILOT NOTICED SMOKE IN THE AREA OF ENGINE COWL AND SOME SMOKE ENTERING THE COCKPIT. THE AIRCRAFT RETURNED TO BASE WITHOUT INCIDENT. MAINTENANCE REVEALED OIL ON REAR OF ENGINE AND EXHAUST AREA. DIFFERENTIAL CYLINDER SDR AU000609Barrel · glazed(AUS) PILOT REPORTED VIBRATION DURING ROTATION AND CLIMB. GROUND INVESTIGATION FOUND EXCESSIVE OIL IN THE LEFT ENGINE''S NR 3 CYLINDER. CYLINDER WAS REMOVED AND FOUND WITH SEVERE GLAZING OF THE BORE.SDR 20000802SH023Keeper · wornCYLINDER NR 1 WAS RUNNING TOO COOL. WEAK COMPRESSION WAS NOTED PULLING PROPELLER THROUGH. COMPRESSION TEST RESULTS 65/80. FERROUS METAL NOTED IN FILTER ELEMENT. ROCKER COVER WAS REMOVED. ROCKER ARM FOR EXHAUST WAS HITTING ON SPRING RETAINER. END OF EXHAUSDR 20000802SH022Exhaust Valve · wornCYLINDER NR 1 WAS RUNNING TOO COOL. WEAK COMPRESSION WAS NOTED PULLING PROPELLER THROUGH. COMPRESSION TEST RESULTS 65/80. FERROUS METAL NOTED IN FILTER ELEMENT. ROCKER COVER WAS REMOVED. ROCKER ARM FOR EXHAUST WAS HITTING ON SPRING RETAINER. END OF EXHAUSDR 20000817SH005Cylinder · failedLEFT ENGINE WOULD NOT DEVELOP FULL POWER AT TAKEOFF. AIRCRAFT CRASH LANDED DUE TO POOR PERFORMANCE. INSPECTION OF ENGINE REVEALED THAT NR 2 CYLINDER HAD ''ZERO'' COMPRESSION. FURTHER INSPECTION REVEALED THE EXHAUST VALVE FACE WAS NOT SEALING ON HALF OR MORESDR CA000803002Cylinder · cracked(CAN) HEAD CRACKED TWO/THIRDS AROUND AT 3RD FIN FROM BOTTOM OF HEAD. HEARD BY MAINTENANCE WHEN AIRCRAFT WAS TAXIING TO DOCK, PILOT REPORTED NO INDICATION OF PROBLEM. NO CAUSE FOUND. CYLINDER REPLACED.SDR 20000802SH021Cylinder · crackedTHE NUMBER SEVEN CYLINDER HEAD IS CRACKED STARTING AT THE FORWARD SPARK PLUG BOSS RADIATING UP OVER THE TOP OF THE HEAD AND STOPS AT THE AFT SPARK PLUG BOSS. THE CRACK IS OPEN TO AS MUCH AS .0625 INCH, AND EXHAUST GAS RESIDUE IS PRESENT. TOTAL TIME OF CYLINDSDR 20000802SH016Valve · failedMAJOR DAMAGE TO THE ENGINE CAUSED AS A RESULT OF THE VALVE KEEPERS BREAKING AND ALLOWING THE EXHAUST VALVE TO FALL INTO THE COMBUSTION CHAMBER FOR CAUSE APPEARS TO BE KEEPERS BROKE WHILE WEARING ON THE VALVE UNTIL RELEASE. THE VALVE BROKE AWAY FROM THE HEAD OSDR 20000802SH015Keeper · failedMAJOR DAMAGE TO THE ENGINE CAUSED AS A RESULT OF THE VALVE KEEPERS BREAKING AND ALLOWING THE EXHAUST VALVE TO FALL INTO THE COMBUSTION CHAMBER FOR CAUSE APPEARS TO BE KEEPERS BROKE WHILE WEARING ON THE VALVE UNTIL RELEASE. THE VALVE BROKE AWAY FROM THE HEAD OSDR CA000901013Valve · failed(CAN) ENGINE WAS SHOWING SIGNS OF METAL IN OIL FILTER. ENGINE DISMANTLED TO FIND CAUSE OF METAL. ONE EXHAUST VALVE FOUND TO BE PROTRUDING FROM CYLINDER FARTHER THAN USUAL. EXHAUST VALVE REMOVED AND FOUND TO BE MISSING APPROXIMATELY .1250 INCH MATERIAL WHERESDR CA000828004Valve · fractured(CAN) UPON REACHING DESTINATION, THE PILOT REDUCED POWER TO LAND. UPON DOING SO, THE ENGINE STARTED TO BACKFIRE AND RUN ROUGH. NORMAL LANDING PROCEDURES WERE CARRIED OUT FOR REDUCED POWER AND AIRCRAFT LANDED WITHOUT INCIDENT. PRIOR TO THIS, THE ENGINE HAD NSDR NACA200000012Cylinder · crackedFEATHERED NR 1 ENGINE AT 0025 DUE TO ENGINE ROUGHNESS AND CONTINUOUS BACKFIRING. SUSPECT NR 6 CYLINDER. REPLACED NR 6 CYLINDER DUE TO CRACK.SDR 20000714SH029Valve Seat · looseAIRCRAFT HAD ENGINE FAILURE AT 79 FLIGHT HOURS. THE NR 1 CYLINDER EXHAUST VALVE SEAT CAME LOOSE FROM THE CYLINDER AND CAUSED SIGNIFICANT DAMAGE TO THE ENGINE. THE OUTSIDE DIAMETER OF THE EXHAUST VALVE SEAT WAS FOUND UNDERSIZED. (X)SDR 20000817SH025Cylinder · failedDURING A 100-HOUR INSPECTION, FOUND THE MILLININUM CYLINDER ASSY WHICH WAS INSTALLED IN THE NR 3 POSITION WOULD ONLY HOLD A COMPRESSION OF 32 PSI AFTER 200 HOURS OF SERVICE. POSSIBLE CAUSE UNKNOWN AT THIS TIME. (X)SDR 20000731SH011Exhaust Valve · brokenPILOT REPORTED DURING CRUISE OPERATION ENGINE BECAME ROUGH AND LOST PARTIAL POWER. PRECAUTIONARY LANDING WAS MADE AT RUSH CITY, MN, REGIONAL AIRPORT. INVESTIGATION DISCLOSED APPROX 50 PERCENT OF NR 2 EXHAUST VALVE FACE MISSING, AND EVIDENCE OF PIECES IMPACTINSDR NACA200000016Cylinder · burnedNR 3 ENGINE, NR 9 CYLINDER LOW COMPRESSION INT AND LOSS OF OIL. REPLACED ENGINE ASSEMBLY DUE TO HOLE BURNT IN PISTON.SDR NACA200000015Cylinder · crackedNR 1 ENGINE FEATHERED AT 0342Z, WILL NOT ACCEPT A LEAN, RUNNING ROUGH, NOTHING ON ANALIZER/RUNNING ROUGH AT LOW POWER. REPLACED NR 4 CYLINDER DUE TO CRACK.SDR CA000802018Cylinder · broken(CAN) THE CYLINDER HEAD SEPARATED FROM CYLINDER BARREL.SDR CA000720017Cylinder · cracked(CAN) WHEN PERFORMING A CYLINDER DIFFERENTIAL COMPRESSION CHECK, FOUND CYLINDER NR 5 HAD A 60/80 COMPRESSION, AND AIR WAS LEAKING OUTSIDE CYLINDER. AFTER FURTHER INSPECTION, FOUND CRACK COULD BE SEEN JUST INBOARD OF THE EXHAUST PIPE FLANGE. CYLINDER WAS REMOVSDR 20000724SH005Valve · seizedNR 1 CYLINDER EXHAUST VALVE SEIZED IN GUIDE, DESTROYED PISTON. RESULTANT OIL SYSTEM CONTAMINATION HUNG NR 2 CYLINDER INTAKE LIFTER, BROKE CONNECTIN ROD, AND FAILED CASE. LYC MANDITORY SB NR 388B DATED MAY 13, 1992, ADDRESSES SCHEDULED VALVE TO GUIDE CLEARANCSDR 20000721SH035Piston · failedTHE AIRCRAFT WAS AT 6,500 FEET MSL, ABOUT 30 MINUTES INTO A FLIGHT. (VFR) RPM STARTED TO DROP. THERE WAS NO WARNING OR UNUSUAL SOUND. AIRCRAFT WAS DESTROYED DURING EMERGENCY LANDING ON A ROAD. (X)SDR 20000802SH018Exhaust Valve · shearedDURING FLIGHT, PILOT HEARD BANG AND NOTICED DIMINISHED POWER. PILOT LANDED WITH BOTH ENGINES RUNNING. ON GROUND, INSPECTION FOUND ''O'' COMPRESSION ON LEFT ENGINE, NR 2 CYLINDER. ON FURTHER INSPECTION, TOP OF EXHAUST VALVE WAS SHEARED OFF STEM. STEM WAS SSDR 20010419CW011Helicoil · dislodgedPILOT REPORTED THAT AN ENGINE FAILURE OCCURRED DURING FLIGHT WITH UNEVENTFUL LANDING. PILOT INFORMED TECHS THT THE TOP SPARK PLUG HAD BECOME REMOVED FROM THE NR 1 CYLINDER. UPON ARRIVAL TO THE AIRCRAFT, FOUND TOP COWLINGS REMOVED AND THE NR 1 TOP SPARK PLUGSDR CA000926013Engine · failed(CAN) - ENGINE INSTALLED AFTER OVERHAUL GROUND RUNS COMPLETED, STATIC R.P.M., 0.1 PRESSURE AND OIL TEMPERATURE NORMAL, ENGINE CONTROLS FUNCTIONING NORMAL.- FIRST FLIGHT WAS APPROXIMATELY 12 MINUTES AIR TIME AND SEEMED TO RUNSMOOTHLY. - SECOND FLIGHT WAS CONDSDR 20000720SH034Spring · crackedEXHAUST VALVE SPRING RETAINING CAP BROKE IN HALF AND BURNED EXHAUST VALVE. (X)SDR 20000721SH016Pushrod · failedENGINE USING EXCESSIVE OIL AFTER RECENT OVERHAUL (200 HRS). CYL REMOVED FOR RE-OVERHAUL. UPON RE-INSTALL OF NEWLY O/H CYLINDERS, DISCOVERED NR 4 CYL PUSHROD WAS MODIFIED BY APPARENT ATTEMPT TO SHORTEN LENGTH BY CUTTING AND DOWELING ROD ON ONE END. ROD ESTISDR 20000719SH018Nut · failedINTAKE GUIDE VARIANCE, 0.0020 INCH. (X)SDR CA000713012Pushrod · bent(CAN) - BENT PUSHROD CAUSING POWER LOSS AND ROUGH RUNNING ENGINE. - REASON FOR BENDING UNKNOWN.SDR CA000824022Cylinder · cracked(CAN) ROCKER EAR SEPARATION AT ROCKER PIN.SDR CA000714040Cylinder · cracked(CAN) NR 1 CYLINDER HEAD CRACKED.SDR 20000628SH003Pushrod · crackedAIRCRAFT INSPECTED 33 HRS FOLLOWING ANNUAL (1 MONTH) PRIOR TO PUTTING ON LINE FOR FLIGHT TRAINING. LAST REF TO LYC SI 1068A VALVE TAPPET CLEARANCE CHK FROM LOGS WAS 552.3 HRS PRIOR (100 HR INSP). FOUND 3 TIGHT VALVES. NR 2 EXH WAS TIGHT, PUSHROD CRACKED .56SDR NACA200000011Cylinder · crackedVIBRATION AND BMEP DROP ON NR 2 ENGINE AFTER REDUCTION TO BMEP. REPLACED NR 17CYLINDER, NR 2 ENGINE DUE TO CRACKED HEAD.SDR 20000724SH025Piston Pin · brokenPORTION OF THE NR 6 CYLINDER PISTON PIN PLUG BROKE OFF AND CAUSED THE PISTON TO DISINTEGRATE. THIS CAUSED DAMAGE TO THE CONNECTING ROD ON THE NR 5 CYLINDER AND DAMAGE TO THE CRANKCASE. NO RECOMMENDATION TO PREVENT THIS AT THIS TIME. (X)SDR 20000713SH024Plug · failedPISTON PIN PLUG FAILED AND FILLED THE ENGINE WITH ALUMINUM. THESE ARE THE SEPARATE PUSH IN LARGE DIAMETER PLUGS. INSTALLATION DATE: 7/98. (X)SDR 20000626SH014Cylinder · wornCYLINDER NR 6 WAS REMOVED BECAUSE THE COMPRESSION WAS 50/80 DUE TO LEAKAGE PAST THE INTAKE VALVE. AFTER INSPECTION OF THE CYLINDER, THE CYLINDER ASSY WAS REPLACED DUE TO A WEAR STEP AT THE TOP OF THE CYLINDER BARREL. (X)SDR AU000487Exhaust Valve · failed(AUS) NR 1 CYLINDER EXHAUST VALVE HEAD SEPARATED FROM VALVE STEM. VALVE HEAD PUNCTURED PISTON AND EXITED THE ENGINE VIA THE TOP RIGHT SIDE OF THE CRANKCASE.SDR 20000721SH018Cylinder Head · crackedCYLINDER NR 3 CRACKED FROM BOTTOM SPARK PLUG HOLE THROUGH EXHAUST PORT EXTENDING INTO EXTERNAL FINDS. FOUND DURING COMPRESSION CHECK FOR ANNUAL INSPECTION. CHANNEL CHROME CYLINDER, EXACT HOURS ON CYLINDER UNKNOWN (CHROME PLATED 9/86). SUBMITTER RECOMMENDED SDR 20000720SH011Plug · wornPERFORMED LYC SI 1492B. DURING THE PHASE 2 INSPECTION, OIL FILTER REMOVED AND CUT OPEN FOR INSPECTION. AN EXCESSIVE AMOUNT OF ALUMINUM FLAKES WERE DISCOVERED. ALL 4 CYLINDERS REMOVED ENOUGH TO INSPECT AND REPLACED 8 WORN PISTON PIN PLUGS WITH P/N 60828 PLUGSDR 20000623SH002Plug · wornPERFORMED LYC SI 1492B. DURING PHASE 2 INSPECTION, OIL FILTER WAS REMOVED AND CUT OPEN FOR INSPECTION. AN EXCESSIVE AMOUNT OF ALUMINUM FLAKES WERE DISCOVERED. ALL 4 CYLINDERS REMOVED ENOUGH TO INSPECT AND REPLACED 8 WORN PISTON PIN PLUGS WITH PN 60828 PLUGSSDR AU000479Seat · cracked(AUS) INLET VALVE SPRING SEATS ON ALL CYLINDERS CRACKED. FURTHER INVESTIGATION FOUND THAT THE INLET VALVE GUIDES WERE NOT FULLY SEATED IN THE CYLINDER HEAD.SDR NACA200000008Cylinder · crackedNR 3 ENGINE, LOW BMEP, LOW CHT, AND BACKFIRING DURING LEANING, SUSPECT NR 2 CLYLINDER. MI AT 1605Z. REPLACED NR 2 CYLINDER, NR 3 ENGINE.SDR 20000622SH011Cylinder · failedENGINE WAS REMOVED 3 TIMES FOR LOW OIL PRESSURE, AND IT HAD NEW CYLINDERS AT OVERHAUL. SUBMITTER REMOVED ALL 6 CYLINDERS AT 89.9 TSO FOR LOW COMPRESSION LEAKING BY EXHAUST VALVES, 3 CYLINDERS REMOVED AT 154.3 TSO WHICH IS 64.4 HOURS FROM THE LAST REMOVAL AND SDR 20000615SH009Plug · deterioratedFOUND IN BOTH ENGINES DURING ANNUAL WHILE PERFORMING LYC 400-HOUR ROCKER ARM INSP, SEVERAL OF THE ROCKER SHAFT THRUST BUTTONS WERE FOUND DETERIORATING. A COUPLE OF THEM WERE FOUND BROKEN OFF AND OUT OF THE ROCKER SHAFT. THE OIL SCREEN WAS FOUND TO CONTAIN SO
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