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 CA120612010Controller · leaking(CAN) FOUND OIL LEAKING FROM RT ENGINE INTAKE MANIFOLD PLENUM DRAIN. MAINTENANCE INVESTIGATION REVEALED OIL COMING FROM THE RT ENGINE DIFFERENTIAL PRESSURE CONTROLLER INTERNALLY LEAKING OIL INTO ENGINE INTAKE MANIFOLD. CONTROLLER REPLACED AND NO FURTHER LEAKSDR FPI2012F00008Cylinder Head · crackedDURING A 100 HR INSPECTION/ COMPRESSION TEST/ BUBBLE LEAK CHECK FOUND NR 2 CYCLE POSITION HEAD CRACKED INTO THE COMBUSTION CHAMBER - CYLINDER ASSY.SDR CA120620009Cylinder · leaking(CAN) ROCKER COVERS FOUND LEAKING. DISCOVERED THAT RELIEF CUT IN ROCKER COVER FACE ON ALL 6 NEW SUPERIOR CYLINDERS WAS CUT TOO DEEP & LEFT LITTLE AREA FOR GASKET TO SEAL. SOLUTION WAS TO INSTALL ORANGE SILICONE GASKETS, SO FAR SO GOOD.SDR CA120618005Cylinder · damaged(CAN) ALL CYLINDERS REPLACED DUE TO VALVE GUIDES BEING TOO TIGHT & BENDING THE PUSH RODS.SDR 2012FA0000508Exhaust Valve · failedNR 1 EXHAUST VALVE FAILED IN CRUISE.SDR CA120525003Stud · broken(CAN) DURING SCHEDULED INSPECTION, CYLINDER BASE NUT FOUND IN BOTTOM COWLING. FOUND TOP FORWARD STUD OF NR 2 CYLINDER BROKEN. CYLINDER REMOVED FOR STUD REMOVAL, BROKEN STUD AND ADJACENT STUD REMOVED FOR REPLACEMENT.SDR CA120517007Cylinder Head · cracked(CAN) FOUND CYLINDER HEAD CRACK UNDER INTAKE PUSH ROD AREA. I DID CHECK WITH O/H SHOP. THEY SUPPORT THE THEORY OF "SHOT/QUICK COOLING". THE CYLINDER WAS AT THE POSITION NR 1, THE MOST EXPOSE TO COOL EXTERNAL AIR.SDR CA120513001Cylinder Head · cracked(CAN) CYLINDER HEAD FOUND CRACKED BOTTOM SIDE SPARK PLUG HOLE TO SPARK PLUG HOLE.SDR CA120514007Cylinder · cracked(CAN) DURING ROUTINE INSPECTION A FUEL LEAK WAS NOTED ON THE NR 2 CYLINDER AROUND THE INTAKE PORT. UPON FURTHER INVESTIGATION, A CRACK WAS NOTED IN THE CYLINDER WALL JUST ABOVE THE INTAKE PORT. THE CRACK IS APPROXIMATELY 1" IN LENGTH. THE CYLINDER WAS REPLASDR FPI2012F00009Cylinder Head · crackedDURING A 100 HR INSPECTION/ COMPRESSION TEST/ BUBBLE LEAK CHECK, FOUND NR 4 CYLINDER POSITION HEAD CRACKED INTO THE COMBUSTION CHAMBER- REPLACED CYLINDER ASSY.SDR JRUR201205160005Exhaust Valve · leakingENGINE MISSING & VIBRATION ON TAKEOFF. PILOT STATED THAT THE VIBRATION WAS SEVERE AND THOUGHT THE ENGINE WAS GOING TO QUIT. LANDED. ON INSPECTION, NR 4 CYLINDER COMPRESSION WAS MEASURED AT 78/80. PERFORMED SB 388C. VALVE TO GUIDE CLEARANCE WAS MEASURED AT .0SDR JRUR201205160004Exhaust Valve · stuckENGINE MISSING & VIBRATION ON TAKEOFF. PILOT STATED THAT THE VIBRATION WAS SEVERE AND THOUGHT THE ENGINE WAS GOING TO QUIT. PILOT MADE A 180 DEGREE TURN AND LANDED. UPON INSPECTION, THE NR 2 CYLINDER FAILED A COMPRESSION CHECK. COMPRESSION WAS MEASURED AT 5/SDR CA120507019Lifter · flat(CAN) ENGINE CYLINDER COMPRESSION FOUND TO BE LOW AND GETTING LOWER EACH INSPECTION. HEADS REMOVED AND SENT FOR REPAIR. VALVE TRAIN FOUND DAMAGED, INCLUDING VALVE SEAT RECESSION AND WEAR ON THE VALVE SPRING RETAINER. THIS WEAR IS CONSISTENT WITH AIR IN THE SDR FPI2012F00006Cylinder Head · crackedDURING A 100 HR INSPECTION, COMPRESSION TEST AND SOAP BUBBLE TEST FOR CRACKS FOUND THE NR 6 CYLINDER HEAD CRACKED INTO THE COMBUSTION CHAMBER LEAKING COMPRESSED AIR.SDR CA120424009Cylinder · cracked(CAN) CYLINDER CRACK BARREL FROM HEAD FLANGE TOWARD CYLINDER ATTACHMENT FLANGE UNDER PUSHROD AREA. CYLINDER WAS REMOVED DUE TO LOW COMPRESSION PROBLEM, FOUND CRACK DURING REMOVAL. CRACK LENGTH 2.5". CYLINDER WAS INSTALLED NEW AT O/H AND WAS REMOVED DURING CSDR 2012FA0000326Tube · chafedTHE ACFT DEPARTED GTU AND SHORTLY AFTER, THE PILOT EXPERIENCED A ROUGH RUNNING ENGINE. THE PILOT ELECTED TO RETURN TO THE AIRPORT IMMEDIATELY. REMOVED TOP COWLING, NOTICED THAT NR 1 AND 5 INTAKE TUBES, WHERE THEY ATTACH TO THE CYLINDER HEAD WAS CHAFED AND BRSDR 2012FA0000235Cylinder Head · crackedCYLINDER HEADS FOUND TO BE CRACKED. ALL OF THE CYLINDERS WERE INSTALLED NEW FEB 15,2012. ACFT HAS BEEN FLOWN 404.3HRS. PILOT HAD LOSE OF POWER AND RETURNED TO AIRPORT. 2 CYLINDERS FOUND CRACKED AND LEAKING DURING COMPRESSION CHECK. REMAING CYLINDERS COMPRSDR FPI2012F00007Cylinder Head · crackedDURING A 100 HR INSP, COMPRESSION TEST AND SOAP BUBBLE TEST FOR CRACKS FOUND NR 1 CYLINDER HEAD CRACKED.SDR CA120411012Cylinder · damaged(CAN) THE CASTING THAT HOLDS THE ROCKER ARM BOSS CAME APART ON THE NR 4 CYLINDER.SDR T22R2012032858301Retainer · brokenENGINE STARTED TO RUN ROUGH WITH POWER LOSS ON TAKEOFF CLIMB. RETURNED TO AIRPORT AND LANDED SAFELY. UPPER VALVE SPRING RETAINER BROKE APART WHICH ALLOWED EXHAUST VALVE TO DROP INTO CYLINDER COMBUSTION CHAMBER ON A NEW CYLINDER WITH 8.0 HOURS ON IT. EXHAUSTSDR 2012FA0000303Valve Spring · brokenLT ENGINE, AFTER NOTICING MANIFOLD PRESSURE SPLITS, AND A COLD RUNING NR 3 CYLINDER, INSPECTED AND FOUND INNER AND OUTER EXHAUST VALVE SPRINGS BROKEN. REPLACED BOTH SPRINGS. SUBSEQUENT FLIGHT, LT ENGINE OK, BUT NOTICED AN OCCASIONALLY MISS AND COOLER RUNNINGSDR 2012FA0000302Valve Spring · brokenNOTICED MANIFOLD PRESSURE SPLITS ON LEFT ENGINE, AND A COLD RUNNING NR 3 CYLINDER, INSPECTED AND FOUND INNER AND OUTER EXHAUST VALVE SPRINGS BROKEN. REPLACED BOTH SPRINGS. SUBSEQUENT FLIGHT, LT ENGINE OK, BUT NOTICED AN OCCASIONALLY MISS AND COOLER RUNNING NSDR 2012FA0000275Cylinder Head · separatedJUST AFTER REACHING CRUISING ATTITUDE OF 2500 FT MSL, THE ENGINE BEGAN PRODUCING A LOUD NOISE, ACCOMPANIED BY LOSS OF POWER AND EXTREME VIBRATION. A SAFE LANDING WAS ACCOMPLISHED, WHERE IT WAS DETERMINED THT THE CYLINDER HEAD ON THE NR3 CYLINDER HAD SEPARATEDSDR CA120321009Valve Spring · broken(CAN) DURING CRUISE FLIGHT, EXPERIENCED RAPID BACKFIRE FROM THE NR 1 ENGINE. THE CREW ELECTED TO SHUTDOWN THE ENGINE AND FEATHER THE PROPELLER. THE ACFT CONTINUED TO ITS DESTINATION AND LANDED WITHOUT INCIDENT. IT WAS DISCOVERED DURING INSPECTION THAT THE NR SDR 2012FA0000244Seal · deterioratedFOUR NEW CYLINDER ASSEMBLIES WERE INSTALLED. AFTER GROUND RUNS AND 1 BREAK IN FLIGHT THE ENGINE WAS INSPECTED. DURING THE INSPECTION THE PUSHROD TUBE SEAL WERE FOUND TO HAVE LARGE CRACKS AND SPLITS. THE SEALS AND GASKETS WERE SUPPLIED WITH THE CYL KITS FROMSDR JRUR20120515003Exhaust Valve · leakingPROPELLER AND ENGINE PULSE CAVITATION IN FLIGHT. SIGNIFICANT OIL LEAK ON GROUND. HAD 19 INCHES MANIFOLD PRESSURE, 2100 RPM WHEN SLOWLY ADVANCING RPM. AIRCRAFT GROUNDED. MECHANIC PERFORMED A COMPRESSION CHECK ON THE ENGINE AND FOUND THE NR 2 CYLINDER HAD AN ACSDR JRUR201205150002Exhaust Valve · leakingPROPELLER AND ENGINE PULSE CAVITATION IN FLIGHT. SIGNIFICANT OIL LEAK ON GROUND. HAD 19 INCHES MANIFOLD PRESSURE, 2100 RPM WHEN SLOWLY ADVANCING RPM. ACFT GROUNDED. MECHANIC PERFORMED A COMPRESSION CHECK ON ENGINE AND FOUND NR 4 CYLINDER HAD AN ACCEPTABLE COSDR JRUR201205150001Exhaust Valve · leakingPROPELLER AND ENGINE PULSE CAVITATION IN FLIGHT. SIGNIFICANT OIL LEAK ON GROUND. HAD 19 INCHES MANIFOLD PRESSURE, 2100 RPM WHEN SLOWLY ADVANCING THE RPM. ACFT GROUNDED. MECHANIC PERFORMED A COMPRESSION CHECK ON ENGINE AND FOUND THE NR 6 CYLINDER HAD A COMPSDR 2012FA0000217Cylinder · crackedIN CRUISE, AIRCRAFT EXPERIENCED VIBRATION. CHECKED COMPRESSION ON RT ENGINE, FOUND NR 3 CYLINDER HAD 0/80. REMOVED CYLINDER AND FOUND CRACKED FROM SPARK PLUG HOLE TO INTAKE SEAT. INSTALLED NEW CYLINDER AND GROUND RAN. ACFT WAS RETURNED TO SERVICE NO FURTHESDR CA120306009Exhaust Valve · seized(CAN) AFTER LEVELING OFF AT 4000` ENGINE WAS RUNNING FINE FOR ABOUT A MINUTE. SUDDENLY THERE WAS A SMALL VIBRATION THAT LASTED ABOUT 30 SECONDS THEN IT TURNED INTO A LARGE VIBRATION THAT GOT WORSE. PILOT REQUESTED IMMEDIATE LANDING AND REDUCED POWER WHICH CASDR FPI2012F00005Cylinder · crackedDURING A 100 HR INSPECTION-COMPRESSION TEST, FOUND NR 3 CYLINDAER AND NR 5 CYLINDER HEAD CRACKED AT THE TOP OF CYLINDER SLEEVE AT EXHAUST PORT 4 TO 6 INCHES LONG. REPLACED PROT 4 TO 6 INCHES LONG. REPLACED BOTH WITH NEW CYLINDER ASSY. NR 3 CYLINDER, SN 61105SDR FPIA2012F00004Cylinder · crackedDURING A 100 HR INSPECTION-COMPRESSION TEST, FOUND NR 3 CYLINDAER AND NR 5 CYLINDER HEAD CRACKED AT THE TOP OF CYLINDER SLEEVE AT EXHAUST PORT 4 TO 6 INCHES LONG. REPLACED PROT 4 TO 6 INCHES LONG. REPLACED BOTH WITH NEW CYLINDER ASSY. NR 3 CYLINDER, SN 61105SDR 2012FA0000209Cylinder · crackedAT 370, TTSMO WITH NEW CYLINDERS AT O/H, CHANGED NR 1, 3, 5 CYLINDERS FOR CRACKS IN FIN ON INTAKE AT 740 TTSMO. CHANGE 2, 4, CYLINDERS FOR CRACKS IN THE INTAKE FINS.SDR CCJ2012F00000Cylinder · crackedFOUND LT ENGINE NR 6 CYLINDER CRACKED IN INTAKE SIDE OF HEAD DURING 100 HR INSPECTION.SDR 2012FA0000135Cylinder · crackedDURING ANNUAL COMPRESSION TEST, CYLINDER WAS FOUND TO HAVE NO COMPRESSION. UPON FURTHER INVESTIGATION AIR WAS FOUND LEAKING FROM THE BACK OF CYLINDER ASSY AT THE POINT WHERE THE FINS STEP UP TO THE NEXT SIZE. WITH AN INSPECTION MIRROR HELD BETWEEN THE BAFFLISDR FPI2012F00003Cylinder · brokenDURING A 100 HOUR INSPECTION, FOUND NR 1 CYLINDER COOLING FIN BROKEN OFF, LEFT OF TOP SPARK PLUG DOWN TO HEAD OF CYLINDER. NO DAMAGE HISTORY NOTED. REPLACED WITH NEW CYLINDER IAW MM.SDR 2012FA0000124Piston · failedNUMBER 5 CYLINDER ON O-470 ENGINE WITH APPROXIMATELY 300 HOURS EXPERIENCED PISTON FAILURE DUE TO WHAT APPEARS AT FIRST IMPRESSION DETONATION. HOWEVER, PISTON IS BELIEVE TO HAVE FAILED DUE TO FLAW IN MANUFACTURE OR EXPERIENCE DAMAGE SUCH AS DROPPING PRIOR TO INSDR 2AFA20120218001Intake Valve · fracturedREMOVAL OF THE NR 1 CYLINDER FOR VISUAL INSPECTION REVEALED A FAILURE OF THE INTAKE VALVE. ENGINE MONITOR SHOWED MASSIVE INGESTION OF ENGINE OIL INTO REMAINING CYLINDERS CAUSING LOSS OF POWER FROM OIL FOULING OF UNAFFECTED SPARK PLUGS. AFFECTED CYLINDER SHSDR BSYA20120215009Cylinder Head · crackedON DESCENT INTO LWM, LEFT ENGINE STARTED BACK FIRING WHEN THROTTLE PULLED BACK. MAINTENANCE FOUND NR 1 AND NR 3 CYLINDER HEADS CRACKED. MAINTENANCE REPLACED NR 1 AND NR 3 CYLINDERS, RUN UP AND OPERATIONAL CHECK NORMAL. NO FURTHER DEFECTS NOTED.SDR 2012FA0000102Cylinder · crackedLT ENGINE CYLINDER FOUND TO BE CRACKED AT FUEL INJECTOR NOZZLE HOLE. NEW CYLINDERS WERE INSTALLED AT ENGINE O/H.SDR CA120301010Stud · sheared(CAN) DURING THE PREFLIGHT GROUND RUN THE PILOT NOTICED AN ENGINE VIBRATION. THE ACFT WAS SNAGGED AND INSPECTED BY MAINTENANCE. 6 OUT OF 8 STUDS ON THE NR 3 CYLINDER WERE SHEARED OFF. ALL THE STUDS WERE REPLACED. ALL 4 CYLINDERS BASE NUTS WERE CHECKED FOR PSDR 9RVA2012FA0000062Cylinder Head · failedACFT HAD JUST DEPARTED ON PART 91 REPOSITIONING FLIGHT BACK HOME. APPROX 10 OR SO MINUTES AFTER DEPARTURE, WHILE LEVEL IN CRUISE FLIGHT AT 7000', RT ENGINE EXPERIENCED SUDDEN POWER LOSS. ENGINE WAS SHUTDOWN, PROP FEATHERED, AND ACFT RETURNED FOR LANDING. FOSDR 2012FA0000223Intake Valve · mismanufacturedAFTER EVALUATING CYINDER AND FAILED INTAKE VALVE, IT IS DETERMINED, VALVE FAILED DUE TO "BAD METAL". THE EVIDENCE DOES NOT SUPPORT FOREIGN OBJECT DAMAGE, EXCESSIVE HEAT OR OVERSPEED.SDR 2012FA0000031Plug · disintegratedON RECENT REPLACEMENT OF VALVE COVER GASKETS, DISCOVERED THE ROCKER SHAFT PLUGS HAVE BROKEN INTO SMALL PIECES. IT APPEARS THAT DUE TO THE HIGH INTERNAL HEAT ASSOCIATED WITH THIS PART OF THE ENGINE, THAT THE PLUGS HAVE LIKELY SEIZED INTO PLACE AND OR BECOME SOSDR 2012FA0000025Cylinder · peelingMETAL PARTICLES WERE FOUND IN OIL FILTER DURING OIL CHANGES, APPROX 100 HRS AFTER MAJOR O/H. ALL CYLINDERS WERE REMOVED AND INSPECTED. FOUND NR 5 CYLINDER NICKLE PLATING PEELING AT THE BASE OF THE CYLINDER. PISTON AND RINGS WERE SCUFFING THE PEELING AREA CRSDR FPI2012F00002Cylinder · crackedDURING A 100 HR INSP COMPRESSION TEST, FOUND NR 2 CYLINDER HEAD CRACKED FROM 1ST FIN INBD OF UPPER SPARK PLUG OVER EXHAUST VALVE TO UPPER SPARK PLUG HOLE USING SOAPY WATER. DURING COMPRESSION TEST BUBBLED FROM CRACK.SDR CA120103015Nut · failed(CAN) UPON INSPECTION IT WAS NOTED THAT THE NUT LOCATED ON THE NR 6 CYLINDER TOP FWD THRU STUD WAS CRACKED. REQUIRED INSPECTION WERE CARRIED OUT WITH NO DEFECT FOUND, NUT WAS REPLACED & A COMPLETE ENGINE TORQUE SEQUENCE WAS CARRIED OUT. NO OTHER NUTS WERE FOSDR CA111223006Stud · broken(CAN) ENGINE HAD A SUDDEN LOSS OF POWER. ACFT DIVERTED & LANDED SAFELY. UPON INSPECTION THE ENGINE NR 2 CYLINDER INTAKE VALVE RETAINING STUD WAS FOUND BROKEN. CYLINDER INTERIOR INSPECTED W/BOROSCOPE & NO FAULTS FOUND. CYLINDER VALVE DRIVE TRAIN INSPECTED & NOSDR FPI2012F00000Cylinder Head · crackedDURING A 100 HR INSP, COMPRESSION TEST FOUND NR 1 CYLINDER HEAD CRACKED ABOVE EXHAUST VALVE TO SPARK PLUG UPPER USING SOAP WATER SOLUTION DURING COMPRESSION TEST. REPLACED WITH NEW ASSY.SDR 2012F00031Lifter · brokenDURING ANNUAL INSP, A PIECE OF METAL (APP .2500" SQUARE) WAS FOUND IN THE SUCTION SCREEN. INSPECTION REVEALED NR 6 EXHAUST LIFTER BODY WAS MISSING A PIECE WHERE THE HYD TAPPET PLUNGER ASSY INSERTS INTO THE LIFTER BODY. NO REPORTS OF LOSS IN ENGINE PERFORMANC
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