JASC 8530
Service difficulty reports · 4,341
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 CA111217001Intake Valve · failed(CAN) DURING CRUISE FLIGHT APPROXIMATELY 2.5NM, ENGINE BEGAN VIBRATING WITH YAW INDICATING POWER LOSS. EMERGENCY DECENT INITIATED ANDWAS CONTACTED FOR LANDING CLEARANCE. ENGINE MAINTAINED RPM IN DESCENT AND A NO HOVER LANDING WAS CARRIED OUT TO THE APRON. TROSDR FPI2012F00001Cylinder · crackedDURING A 100 HR INSPECTION COMPRESSION TEST FOUND NR 1 CYLINDER CRACKED FROM BEHIND FIRST FIN TO SPARK PLUG HOLE (UPPER) ABOVE EXHAUST PORT. REPLACED WITH NEW CYLINDER ASSY.SDR FK8R201112110006Cylinder · inflt separationPARTIAL POWER LOSS AND VIOLENT VIBRATION REPORTED BY PILOT DURING CLIMB, EMERGENCY LANDING WAS PERFORMED. COMPLETED VISUAL INSP OF ENGINE, FOUND NR 3 CYLINDER HEAD SEPARATED FROM CYLINDER BARREL. CYLINDER WAS O/H 87.4 HOURS BEFORE THE SEPARATION. THIS IS THSDR CA111222006Cylinder · damaged(CAN) DURING CRUISE FLIGHT, THE NR 1 ENGINE LOSES POWER AND STARTED TO SURGE. THE ENGINE WAS SHUTDOWN AND SECURED. ACFT LANDED WITHOUT INCIDENT. ON MAINTENANCE INSPECTION THE NR 1 CYLINDER HAD 4 BROKEN MOUNT STUDS AND THE FUEL INJECTOR LINE WAS BROKEN OFF. SDR 2012FA0000001Key · brokenWHILE TROUBLESHOOTING A ROUGH RUNNING ENGINE, DISCOVERED A DEFORMED ROCKER COVER. WHEN THE COVER WAS REMOVED THE SPRING SEAT LOOSE ON FLANGE PIECES AND THE VALVE KEYS WERE FOUND IN THE ROCKER COVER.SDR 2012FA0000039Exhaust Valve · bindingAFTER NOTICING THAT THE ENGINE RAN ROUGH DURING TAXI PRIOR TO TAKEOFF, THE PILOT RETURNED TO THE RAMP AND REPORTED THE PROBLEM TO A MX TECH. THE MX TECH VERIFIED THAT THE ENGINE WAS RUNNING ROUGH AND WAS UNABLE TO MAKE TAKEOFF POWER. THE TECH ALSO NOTED LOW ESDR 2011FA0000790Cylinder · crackedTHE CYLINDER HEAD SEPARATED FROM THE BARREL ONE COOLING FIN BELOW THE CYLINDER HEAD.SDR 2012FA0000210Cylinder Head · failedENGINE HAD INFLIGHT SHUTDOWN DUE TO NR 2 CYLINDER HEAD BLOWN OUT AND MELTING NR 4 CYLINDER HEAD INTAKE, CAUSING MANIFOLD PRESSURE TO DROP AND FUEL AIR CHARGE TO IGNITE AND BLOW OUT THRU LOUVERS IN TOP OF COWL.SDR CA111118007Cylinder Head · leaking(CAN) CYLINDER NR 4 FOUND TO HAVE OIL LEAK AT THE CYLINDER HEAD TO BARREL THREADS ROUGH RUNNING. REPORTED ON GROUND RUN DURING TAXI, WHILE ENGINE WAS HOT FROM PREVIOUS FLIGHT.SDR 2011FA0000805Cylinder · fractured6 NEW CYLINDERS WERE INSTALLED AUG 10, 2008 AT 2812 TOTAL TIME. THE CYLINDERS EXPERIENCED A FAILURE OF THE VALVE GUIDES ON 3 OF THE 6 AT 384 HOURS TIME IN SERVICE. ALL 3 FAILED VALVE GUIDES BROKE OFF AT THE INSERT POINT AND 1 COMPLETELY DISINTEGRATED, CONTAMINSDR IQJ2012F00000Cylinder Head · crackedCYLINDER HEAD CRACKED, CAUSED AN ENGINE POWER REDUCTION ON TAKEOFF: A SUCCESSFUL RETURN TO AIRPORT AND LANDING WAS ACCOMPLISHED. VISIBLE IN COMBUSTION CHAMBER FROM .3750: BELOW INTAKE VALVE, CLOCKWISE THROUGH LOWER SPARK PLUG, AROUND OUTSIDE OF EXHAUST VALVE SDR 2012FA0000033Exhaust Valve · bindingDURING A ROUTINE PRE-INSPECTION ENGINE RUN-UP, THE MX TECH DISCOVERED THAT THE ENGINE WAS RUNNING ROUGH AND WAS UNABLE TO REACH STATIC RPM. THE TECH ALSO NOTED LOW EGT ON CYLINDER NR 2. THE CYLINDER NR 2 EXHAUST VALVE ROCKER COVER AND EXHAUST VALVE SPRING WERESDR 2011FA0000782Cylinder · failedNEW CYLINDERS WERE INSTALLED ON ACFT. 2 OF THE 12 CYLINDERS FAILED AT 25.3 TIME IN SERVICE, WITH WHAT LOOKED LIKE THE NICKEL COATING SEPARATING FROM THE CYLINDER WALLS. UPON REMOVAL OF THE CYLINDER (1 FROM EACH ENGINE), THE NICKEL COATING HAD SEPARATED AND TSDR 2012FA0000038Exhaust Valve · bindingDURING A ROUTINE PRE-INSPECTION ENGINE RUN-UP, THE MX TECH DISCOVERED THAT THE ENGINE WAS RUNNING ROUGH AND WAS UNABLE TO REACH STATIC RPM. THE TECH ALSO NOTED LOW EGT ON CYLINDERS NR 3, NR 4, AND NR 5. THE CYLINDER NR 3, NR 4, AND NR 5 EXHAUST VALVE ROCKER CSDR FPI2011F00010Cylinder Head · crackedDURING A 100 HR INSPECTION, FOUND NR1 CYLINDER CRACKED BETWEEN THE COOLING FINS OF THE EASTHEAD ABOVE THE INTAKE PORT BEHIND FUEL NOZZLE PORT.SDR 2011FA0000701Cylinder Head · crackedNR 6 CYLINDER CRACKED FROM SPARK PLUG HOLE TO FUEL INJECTOR AND LEAKING.SDR 2011FA0000700Cylinder Head · crackedNR 4 CYLINDER FOUND CRACKED FROM SPARK PLUG HOLE TO FUEL INJECTOR AND LEAKING.SDR CA111025012Stud · broken(CAN) DURING ANNUAL INSP, A CYLINDER BASE PAL NUT AND MAIN HOLD DOWN NUT WERE FOUND MISSING FROM CYLINDER NR 13 AND COULD NOT BE LOCATED. THE HOLD DOWN STUD DID NOT APPEAR DAMAGED SO A NEW NUT WAS ATTEMPTED TO BE INSTALLED. HOWEVER, WHEN TIGHTENED, THE STUD SDR O592011F00003Cylinder · crackedDIR OMG 50 HR INSPECTION AND COMPRESSION CHECK, FOUND NR 3 CYLINDER LOW 56/80. AFTER REMOVAL, FOUND TO BE CRACKED BETWEEN SPARK PLUG HOLE AND INTAKE VALVE. THIS IS 1 OF SEVERAL FOUND TO BE CRACKED.SDR CA111025010Valve · stuck(CAN) THE ACFT HAD TO LAND BECAUSE OF LOSS OF ENGINE POWER AND HIGH VIBRATION. A STUCK VALVE AND BENT PUSH ROD WERE FOUND ON LT REAR CYLINDER (ENGINE WAS ON-CONDITION). CUSTOMER DECIDED TO REPLACED THE ENGINE, WITH AND O/H ONE. NO DAMAGE TO AIRCRAFT.SDR 2012FA0000037Exhaust Valve · bindingDURING A ROUTINE PRE-INSPECTION ENGINE RUN-UP, THE MX TECH DISCOVERED THAT THE ENGINE WAS RUNNING ROUGH AND WAS UNABLE TO REACH STATIC RPM. THE TECH ALSO NOTED LOW EGT ON CYLINDER NR 5. THE CYLINDER NR 5 EXHAUST VALVE ROCKER COVER AND EXHAUST VALVE SPRING WERESDR 2011FA0000726Attach Bolt · shearedTHE SINGLE BOLT THAT HOLDS VALVE COVER ON THE NR 2 CYLINDER SHEARED IN FLIGHT. ALL OIL LEFT THE ENGINE. EMERGENCY LANDING IN A FIELD.SDR FPI2011F00009Cylinder · crackedCURING A 100 HR INSPECTION, FOUND NR1 CYLINDER CRACKED FROM FUEL NOZZLE TO SPARK PLUG PORT. REPLACED CYLINDER ASSY.SDR 2011FA0000660Exhaust Rocker · brokenPILOT STATED HE WAS IN NORMAL CRUISE, WHEN HE SUDDENLY LOST POWER AND NOTICED A VIBRATION FROM THE LT ENGINE. HE IMMEDIATELY FEATHERED THE LT ENGINE AND LANDED. INSP REVEALED THE NR 2 CYL EXHAUST ROCKER WAS SHEARED DUE TO A SUSPECTED CASTING DEFECT.SDR 2012FA0000036Exhaust Valve · bindingDURING A ROUTINE PRE-INSPECTION ENGINE RUN-UP, THE MX TECH DISCOVERED THAT THE ENGINE WAS RUNNING ROUGH AND WAS UNABLE TO REACH STATIC RPM. THE TECH ALSO NOTED LOW EGT ON CYLINDERS NR 1 AND NR 5. THE CYLINDER NR 1 AND NR 5 EXHAUST VALVE ROCKER COVERS AND EXHAUSDR 2011FA0000733Pushrod · failedAN EXHAUST PUSH ROD WAS FOUND TO HAVE FAILED. THE PUSH ROD BROKE ADJACENT TO TAPPET. IT WAS FOUND THAT SB 1722 HAD NOT BEEN COMPLIED WITH. THE SB RECOMMENDS SHOT PEENING OF ALUMINUM PUSH RODS FOR STRENGTH.SDR CA120215002Exhaust Valve · stuck(CAN) STICKY EXHAUST VALVESDR 2011FA0000627Cylinder Bore · peelingCLIMBING THROUGH 7000 FELT A SLIGHT SHUDDER. WHILE LEVELING AT 9500, NOTICED OIL PRESSURE GOING DOWN. PROP WENT TO FLAT PITCH. OIL PRESSURE NOW IN YELLOW ARC. DECLARED AN EMERGENCY. PULLED ENGINE TO IDLE AND BEGAN A DESCENT TO AIRPORT. LANDED LONG AND BLSDR CA110915006Exhaust Valve · stuck(CAN) POOR & ROUGH RUNNING ENGINE. COMPRESSION CHECK COMPLETED. CTLS 2 AND 4 - NO COMPRESSION. VISUAL INSP OF COMBUSTION CHAMBER(S) - FOUND EXHAUST VALVE STUCK OPEN. CTLS NR 2 AND NR 4 REPLACED WITH NEW. OIL SCREEN INSPECTED, CLEAR. GROUND RUN, OPERATIOSDR 2011FA0000591Cylinder Head · separatedCYLINDER HEAD SEPARATION.SDR 2011FA0000590Cylinder Head · crackedDURING INSP OF ENGINE WHILE TROUBLESHOOTING A NR 2 ALTERNATOR PROBLEM, FOUND EACH ENGINE CYL (6 EA) WITH CRACKS FROM FUEL INJECTION NOZZLE BOSS TO SPARK PLUG HOLE BOSS. COMFIRMED CRACKS BY EDDY CURRENT.SDR FMMA20111005002Retainer · brokenROCKER SHAFT RETAINER BROKE LETTING 1/3 OF RETAINER TO DROB TO BOTTOM OF ROCKER BOX COVER WHERE IT LODGED BETWEEN END OF ROCKER ARM. PUNCHED HOLE IN COVER - LETTING OIL TO ESCAPE. PROB CAUSE: CRACKED AT ASSEMBLY.SDR SQP2011F00000Cylinder Head · separatedPILOT REPORTED LOUD BANG ON CLIMBOUT. RETURNED WITHOUT INCIDENT TO FIELD. UPON EXAMINATION FOUND NR 4 CYLINDER HEAD SEPARATED FROM CYLINDER AT 5TH COOLING FIN ON HEAD. ENGINE TSO AND CYLINDER TSN 817.6 HRS. LAST COMPRESSION CHECK WAS AT 100 HR INSPECTION 1SDR 2SQR20110825001Cylinder · peelingCYLINDER BARREL NICKEL PROCESS PEELED AWAY FROM BARREL AND WAS BROKEN INTO PIECES BY THE RINGS.SDR CA110818005Cylinder · failed(CAN) AT APPROX 2115 UTC ON 15 AUG 11, IN CRUISE FLIGHT, ENROUTE, EXPERIENCED DROP IN MANIFOLD PRESSURE ON LT ENGINE, FOLLOWED BY VIBRATION. PILOT FEATHERED PROP, SECURED ENGINE, DECLARED EMERGENCY, DIVERTED, AND LANDED WITHOUT FURTHER INCIDENT. SUBSEQUENT ISDR EAVR20110816001Cylinder Head · crackedAIRCRAFT LEVELED OFF FROM CRUISE CLIMB. ACFT WAS ALLOWED TO ACCELERATE TO CRUISE SPEED. POWER WAS SET TO CRUISE POWER SETTINGS OF 23/23 IN MP AND 2300/2300 RPM. FUEL FLOW WAS SET AT 12/12 GPH. APPROX 10 MINUES LATER, A SLIGHT JOLT WAS FELT WITH A CONTINUED SLSDR 2011FA0000516Exhaust Valve · brokenNR 3 ENGINE CYLINDER EXHAUST VALVE HEAD BROKE OFF INSIDE THE CYLINDER COMBUSTION CHAMBER. THIS HAPPEND AFTER TAKEOFF AND UPON REACHING 500 FEET. STC 2375SW AND SE3692SW WERE COMPLIED WITH ON THE ENGINE.SDR 2011FA0000507Cylinder · brokenFOUND METAL PARTICLES IN OIL SCREEN AT 30 HOURS AND AGAIN AT 74 HOURS. FOUND CYLINDERS COMING APART INSIDE BORE. PIECES MEASURED .4 X .3 INCHES.SDR CA110804005Cylinder Head · leakingDURING COMPLIANCE WITH AWD78-08-07 (SB1785), A SOAP TEST REVEALED COMBUSTION LEAKAGE BETWEEN THE SPARK PLUG HOLES CENTER LINE WITH THE COOLING FIN. SB1787 WHICH IS FOR THE 1340 ENGINE BUT THE FAILURE LOCATION IS THE SAME AS THIS R-985.SDR HZZ2011F00000Cylinder · crackedENGINE STARTED TO RUN ROUGH IN FLIGHT. THE CAPT SHUTDOWN THE NR 1 ENGINE. UPON INSPECTION ON THE GROUND, IT WAS FOUND THAT THE NR3 CYLINDER HAD CRACKED NEAR THE EXHAUST PORT.SDR CA110817009Cylinder Head · cracked(CAN) VIBRATIONS DURING FLIGHT AT CRUISING SPEED. PRECAUTIONARY LANDING CYLINDER NR 3 WAS FOUND CRACKED AT CYLINDER HEAD LEVEL.SDR 2011FA0000503Connecting Rod · fracturedLEFT ENGINE NR 4 CYLINDER CONNECTING ROD, FRACTURED AND PUNCTURED THE ENGINE CASE ABOVE NR 4 CYLINDER MOUNT FLANGE. AT ENGINE TT 4096.7 (7/17/07) THIS ENGINE WAS O/H AND MODIFIED TO 335HP IAW STC SE09104SC RAM SERIES VII. AT THAT TIME MODIFIED CONNECTING RODSDR 2011FA0000637Exhaust Valve · stuckACFT DEVELOPED HEAVY VIBRATION DUE TO A STUCK EXHAUST VALVE IN THE CYLINDER ASSY.SDR CA110809006Cylinder Head · crackedVIBRATIONS PRIOR TO TAKEOFF - PRECAUTIONARY LANDING - VISUAL INSPECTION REVEALED A SEPARATION (CRACK) OF THE CYLINDER HEAD H1.SDR AG2R20110728001Cylinder · crackedEXHAUST SEAT BOSS CRACKED THROUGH OUTTER WALL.SDR CA110802003Cylinder Head · crackedCYLINDER HEAD CRACKED- OBSERVED DURING REGULAR COMPRESSION CHECK THROUGH SOUND OF AIR ESCAPING AND THEN CONFIRMED WITH A BUBBLE CHECK.SDR FPI2011F00007Cylinder · crackedDURING A 100 HR INSPECTION, COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM CYLINDER HEAD COOLING FINS ABOVE EXHAUST PORT. NO VISUAL CRACKS NOTED.SDR FPI2011F00006Cylinder · crackedDURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.SDR FPI2011F00005Cylinder · crackedDURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.SDR FPI2011F00004Cylinder · crackedDURING A 100 HR INSPECTION FOUND THE CYLINDER AHEAD WAS CRACKED FROM THE FUEL INJECTOR PORT TO THE UPPER SPARK PLUG BY VISUAL INSPECTION. DURING COMPRESSION TEST USING SOAPY WATER, BUBBLES CAME FROM COOLING FINS ABOVE EXHAUST PORT.
Back to JASC 8530