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 CA040416003Cylinder Head · separated(CAN) DURING CRUISE, THE CREW NOTICE A SLIGHT VIBRATION TO THE NR 1 ENGINE, THEY ALSO NOTICED AN OIL LEAK. THE ENGINE WAS SHUT DOWN AND PROPELLER FEATHERED. DURING INSPECTION IT WAS NOTICED THAT THE NR 9 CYLINDER HEAD WAS SEPARATING FROM THE BARREL, THE ENGINSDR 2004FA0000507Stud · brokenNR 4 DECK STUD BROKEN AT 8 O’CLOCK POSITION.SDR 2004FA0000419Cylinder · crackedRAM AIRCRAFT HAS FOUND NUMEROUS CYLINDERS WITH LOW HOURS CRACKED IN AN AREA EXTENDING FROM FUEL INJECTOR BOSS AREA TO THE SPARK PLUG HOLE. IN THIS AREA IS A MACHINED AREA WITHOUT SUFFICIENT RADIUS. SUGGEST RADIUS OF THIS AREA TO PREVENT CRACKING.SDR CA040415002Valve Guide · worn(CAN) CYLINDER NR 3, 4 AND 5, EXCESSIVE OIL CONSUMPTION AND LOW COMPRESSION. ENGINE WAS RETURNED TO OVERHAUL FACILITY WHERE IT WAS DISCOVERED THAT 3 OF 6 CYLINDERS HAD EXCESSIVE PLAY IN THE EXHAUST VALVE GUIDES WHICH CAUSED THE VALVE TO BECOME COKED AND STICKSDR CP22004F00000Cylinder Damper · crackedA CRACK STARTED AT EXHAUST VALVE ROCKER SHAFT BUSHING AND PROCEEDED AROUND THE FRONT SIDE OF ROCKER BOX CASTING AND AFT TO THE VALVE COVER PARTING SURFACE. THIS WAS UNDER NORMAL OPERATING CONDITIONS.SDR 2004FA0000340Rocker · brokenFOUND HOLE IN ROCKER COVER CAUSED BY ROCKER ARM ON EXHAUST SIDE. FOUND FWD STUD ASSY BROKEN OFF FLUSH WITH CYLINDER HEAD. STUD (PN 401852). ROCKER RETAINER (PN 631996) WAS BROKEN AND HALF MISSING (GONE OUT OF HOLE IN COVER) IB STUD HOLD DOWN NUT WAS 4 TO 5 SDR NACA20040015Cylinder Head · crackedNR 4 ENGINE FEATHERED DUE TO BACKFIRING, RUNNING ROUGH, AND LOSS OF POWER. REPLACED NR 4 ENGINE, NR 2 CYLINDER DUE TO CRACKED HEAD.SDR CA040331005Pushrod Tube · broken(CAN) DURING A TRAINING FLIGHT THE CREW OBSERVED THE RT ENGINE LOW OIL PRESSURE LIGHT HAD ILLUMINATED. THE CREW THEN CHECKED THE OIL PRESSURE GAUGE AND NOTED A DROP IN OIL PRESSURE. THE ENGINE WAS SHUT DOWNAND THE PROPELLER WAS FEATHERED. THE AIRCRAFT RETURNEDSDR CA040401009Cylinder · contaminated(CAN) SMALL PIECE OF RUBBER FOUND FLOATING IN AIR SIDE OF NR 2 CYLINDER INJECTOR. THE PIECE APPEARED TO BE VERY DRY AND HARD O-RING MATERIAL, MOST LIKELY FROM THE BANJO FITTING SEALS. NO OTHER FAULTS FOUND ON OTHER BANJO FITTINGS. REMOVAL OF CONTAMINATION ANSDR 2004FA0000325Pushrod · bentNUMBER 2 CYLINDER EXHAUST VALVE STUCK AND BENT PUSHROD CAUSING ENGINE POWER LOSS. PILOT THEN EXECUTED A PRECAUTIONARY LANDING.SDR 2004FA0000329Pushrod · bentNR 2 CYLINDER EXHAUST VALVE STUCK AND BENT PUSHROD CAUSING ENGINE POWER LOSS. PILOT THEN EXECUTED A PRECAUTIONARY LANDING.SDR 2004FA0000321Cylinder · damagedCOULD NOT GET ENGINE TO RUN PROPERLY. COMPRESSION GOOD ON NR 6, FINALLY DETERMINED NR 6 WAS NOT OPERATING PROPERLY. REMOVED CYLINDER, SENT FOR OVERHAUL. FOUND HOLE IN EXHAUST VALVE PORT. (VOID IN THE CYLINDER CASTING) CYLINDER REJECTED AND RETURNED WITH LESDR AW42004F00000Valve · brokenDURING CRUISE, THE EGT INDICATION FOR THE NR 2 CYL OF THE RT ENGINE DROPPED TO ZERO. THIS WAS ACCOMPANIED BY VIBRATION, SLIGHT LOSS OF MANIFOLD PRESSURE AND A SLIGHT DECREASE IN THE CHT AND EGT INDICATIONS FOR CYLINDERS NR 4 AND NR 5. RETURNED TO DEPARTURE BSDR AKV2004F00000Cylinder · crackedAIRCRAFT WAS AT A CRUISING ALTITUDE OF 6000 FT MSL WHEN PILOT HEARD A LOUD BANG AND FELT SEVERE VIBRATION. PILOT STATED THAT WHEN HE LOOKED OUT AT THE LEFT ENGINE HE SAW SMOKE AND OIL COMING FROM THE COWLING; AT WHICH TIME HE ELECTED TO SHUT THAT ENGINE DOWN.SDR CA040519009Cylinder · broken(CAN) BROKEN RINGS IN CYLINDER NR 4. FOUND AT ANNUAL INSPECTION. COMPRESSION TEST AND METAL IN OIL FILTER.SDR CA040315014Bushing · broken(CAN) DURING OIL CHANGE, NOTED A .5000 LONG X .1250 INCH WIDE ROUND PIECE OF WHAT APPEARS TO BE BUSHING MATERIAL STUCK ON THE OIL DRAIN PLUG S MAGNET. FOUND THE NR 5 CYLINDER CONNECTING ROD S PISTON PIN BUSHING HAD A MISSING PIECE WHICH MATCHES THE PIECE FOUNSDR CA040312003Cylinder Head · misaligned(CAN) ENGINE WAS SENT TO ENGINE SHOP FOR PROP STRIKE INSPECTION. UPON REINSTALLATION OF NR 1 CYLINDER, IT WAS DISCOVERED THAT THE BARREL AND HEAD WERE MISALIGNED BY APPROX. 5 DEGREES (UNIT WAS REPLACED). ENGINE SHOP ADVISES THIS IS A DEFECT OCCURING DURING OSDR CA040322007Cylinder Head · separated(CAN) IN FLIGHT SEPARATION OF CYL NR 3 HEAD.SDR CA040312002Connecting Rod · cracked(CAN) DURING CRUSE, THE CREW HEARD NOISES COMING FROM THE NR 2 ENGINE, SHORTLY AFTER THERE WAS A LOUD BANG AND VIBRATION. THE CREW NOTICED OIL AND SMOKE COMING FROM THE ENGINE COWL, THE PROP WAS FEATHERED AND ENGINE STOWED. THE OIL HIT THE TURBOCHARGER AND IGNSDR 2004FA0000293Retainer · wornFOUND PN 24077, UPPER VALVE SPRING RETAINER WORN OUT ALLOWING VALVE SPRING TO BYPASS IT. CAUSED LOSS OF STATIC RPM AND SOME ROUGHNESS OCCASIONALLY.SDR 2004FA0000292Retainer · failedFOUND UPPER VALVE RETAINER ABOUT 09 PERCENT WORN THROUGH BY OUTER SPRING (PN 625958) BUT HAD NOT FAILED YET. PN 24077 UPPER VALVE SPRING RETAINER.SDR MW22004F00000Stud · brokenNR 3 CYLINDER OFF ENGINE. ALL 8 CLY HOLD DOWN STUDS BROKE, ROD OFF CRACKSHAFT. FLIGHT OK TIL TURN TO DOWN WIND TO LAND, ENGINE FAILED AND AIRCRAFT LANDED SAFELY.SDR AKG2004F00005Cylinder · failedTHE NR 6 CYLINDER WAS FOUND CRACKED AROUND THE INSIDE OF THE STEEL PART ABOUT 1.5 INCHES FROM THE TOP WHERE IT SCREWED INTOTHE HEAD. THE CRACK IS ALMOST COMPLETELY AROUND THE CYLINDER. THIS CYLINDER IS A REPAIRED SERVICEABLE FROM ENGINE COMPONENTS WITH THE CSDR AUS20040161Cylinder · worn(AUS) NR 1 CYCLINDER WORN. PISTON, RING, & BARREL CLEARANCES EXCESSIVE.SDR NAFA20040001Pushrod · bentNR 3 ENGINE PRECAUTIONARY SHUT DOWN DUE TO NR 3 CYLINDER DOUBLE SHORTED SECONDARY. REPLACED BOTH INTAKE AND EXHAUST PUSH RODS AND ADJUSTED VALVES. OP CHECKED GOOD.SDR 2004FA0000277Cylinder · leakingVALVE COVER GASKETS ON RT ENGINE WERE SEEPING. PROCEEDED TO CHANGE GASKETS ON NR 1 CYLINDER AND DISCOVERED THE LOCKING SAFETY FOR THE NUTS ON THE VALVE ROCKER ARM WERE NOT BENT TO SECURE THE NUT FROM BACKING OFF. INSPECTED ALL 6 CYLINDERS AND FOUND ALL SIX TSDR 2004FA0000538Riser · brokenNR 5 EXHAUST RISER BROKEN COMPLETELY OFF AT MOUNTING FLANGE. POSSIBLE DEFECTIVE WELDING.SDR A8X2004F00000Cylinder Head · separatedTHE HEAD SEPARATED FROM THE BARRELL. ENGINE OVERHAULED WITH THE NEW CYLINDERS ON 5/2/03.SDR 2004FA0000215Valve Guide · looseMFG CYLINDER (109.9HRS) DISASSEMBLED FOR REASONS NOT RELATED TO THIS REPORT. INTAKE VALVE GUIDE FOUND TO BE ONLY FINGER TIGHT, NO INTERFERENCE FIT. P005 FOUND STAMPED NEXT TO GUIDE.SDR CA040218004Cylinder · inoperative(CAN) OVERHAUL ENGINE WAS INSTALLED AT 7117.6. IN THE PROCESS OF DOING A 100 HOUR FOUND NR 6 CYLINDER VERY LOW ON COMPRESSION. REPLACED CYLINDER WITH OVERHAUL CYLINDER CHECKED COMPRESSION AFTER INSTALL, COMPRESSION WAS WHERE IT WAS SUPPOSED TO BE. GROUND RUN NSDR CA040218003Cylinder · damaged(CAN) OVERHAUL ENGINE WAS INSTALLED AT 7117.6. IN THE PROCESS OF DOING A 100 HOUR, FOUND NR 1 CYLINDER VERY LOW ON COMPRESSION. REPLACED CYLINDER WITH OVERHAULED CYLINDER. CHECKED COMPRESSION AFTER INSTALLATION AND COMPRESSION WAS WHERE IT WAS SUPPOSED TO BE. SDR 2004FA0000208Cylinder · unserviceableINSPECTED NEW CYLINDER AS RECEIVED. FOUND EXHAUST VALVE GUIDE INSIDE DIAMETER TO BE BELOW MINIMUM SPECIFICATIONS, AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR 2004FA0000205Cylinder · mismanufacturedINSPECTED NEW CYLINDER AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE DID NOT MEET MINIMUM SIZE DIMENSIONS AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR 2004FA0000259Cylinder · brokenAIRCRAFT WAS SUBSTANTIALLY DAMAGED DURING A FORCED LANDING AFTER TOTAL LOSS OF ENGINE POWER. INVESTIGATION SHOWED THE CYLINDER HAD COMPLETELY SEPARATED IN THE MIDDLE WHILE IN FLIGHT, CAUSING THE TOTAL LOSS OF POWER.SDR 2004FA0000207Cylinder · unserviceableINSPECTED NEW CYLINDER ASSY TISN 71.2BCA AS RECEIVED. FOUND VALVE SEAT MACHINING NOT CONCENTRIC AND EXHAUST VALVE SEAT DIAMETER CUT TO APPX. 1.847 INCH WHEN IT SHOULD BE APPX. 1.781 INCH ACCORDING TO PRINT DIMENSIONS IN OVERHAUL MANUAL.SDR 2004FA0000214Cylinder · unserviceableINSPECTED NEW CYLINDER ASSY. AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE TO BE BELOW MINIMUM MFG. SPECS. AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR 2004FA0000209Cylinder · mismanufacturedINSPECTED NEW CYLINDER ASSY. AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE TO BE BELOW MINIMUM MFG. SPECS. AND VALVE SEAT MACHING NOT CONCENTRIC.SDR 2004FA0000213Cylinder · unserviceableINSPECTED NEW CYLINDER ASSY. AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE TO BE BELOW MFG. MINIMUM SPECS. AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR 2004FA0000212Cylinder · unserviceableINSPECTED NEW CYLINDER ASSY. AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE TO BE BELOW MINIMUM MFG. SPECS. AND VALVE SEAT MACHINING NOT CONCENTRIC. PRE-SIZED GUIDES ARE USED ON THIS UNIT AND 5 OTHERS IN THIS BATCH INSPECTED. ALL UNAIRWORTHY. ALLSDR 2004FA0000211Cylinder · mismanufacturedINSPECTED NEW CYLINDER ASSY AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE TO BE BELOW MINIMUM MFG SPECS., AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR 2004FA0000210Cylinder · mismanufacturedINSPECTED NEW CYLINDER ASSY AS RECEIVED. FOUND INSIDE DIAMETER OF EXHAUST VALVE GUIDE DID NOT MEET MINIMUM MFG. DIMENSIONS, AND VALVE SEAT MACHINING NOT CONCENTRIC.SDR AUS20040063Exhaust Valve · sticking(AUS) NR 2 CYLINDER REAR PUSHROD COVER BENT AND LEAKING OIL. SUSPECT CAUSED BY STICKING EXHAUST VALVE.SDR 2004FA0000137Keeper · wornDURING A ROUTINE INSPECTION, AND WHILE ACCOMPLISHING SB 388, IT WAS DISCOVERED THAT THE VALVE KEY RETAINERS (P/N-17C21191) ON THE EXHAUST VALVE, WERE WORN WHERE THEY CONTACT THE ROTOR CAP. THE WEAR WAS RADIAL, AND THE DEPTH WAS ESTIMATED APPROXIMATELY .020 INCSDR 2004FA0000138Keeper · wornDURING A ROUTINE INSPECTION, AND WHILE ACCOMPLISHING SB 388, IT WAS DISCOVERED THAT THE VALVE KEY RETAINERS (P/N-17C21191) ON THE EXHAUST VALVE, WERE WORN WHERE THEY CONTACT THE ROTATOR CAP. THE WEAR WAS RADICALLY ORIENTED, AND DEPTH WAS ESTIMATED APPROXIMATELSDR NACA20040007Cylinder · failedNR 4 ENGINE SHUT DOWN DUE TO RUNNING ROUGH. REPLACED NR 4 ENGINE, NR 11 CYLINDER DUE TO NO COMPRESSION. CHECKED GOOD.SDR CA040730003Exhaust Valve · deformedON 200 HOUR INSPECTION, BOTH LEFT SIDE EXHAUST VALVES FOUND TO BE DEFORMED AT TOP OF STEM BELOW VALVE SEAT CYLINDERS 2 AND 4, JAN 12/04. ENGINE TIME AT INSPECTION 1506.5. ENGINE OVERHAULED SEPT. 20/90 BY VOWELL AVIATION. TTSB 4724,5. EXHAUST VALVES REPLACED. SDR NACA20040005Cam · failedNR 1 ENGINE SHUTDOWN DUE TO DOUBLE SHORTED SECONDARY ON NR 5 & 13 CYLINDERS. REPLACED NR 1 ENGINE DUE TO REAR CAM FAILURE. CHECKED GOOD.SDR AIHR109CCylinder · crackedPILOT REPORTED VIBRATION AFTER 2 HRS INTO FLIGHT, COULD NOT DETERMINE ORIGIN OF VIBRATION. ANOTHER PILOT PERFORMED GROUND RUN-UP AND COULD NOT DETECT VIBRATION. PILOT FLEW AIRCRAFT AND AFTER 15 MINUTES A VIBRATION OCCURRED, PILOT NARROWED VIBRATION ORIGIN TOSDR ACE010904Cylinder Head · crackedPILOT REPORTED LOSS OF POWER AND VIBRATION ON LANDING. MAINTENANCE DISCOVERED THE NR 3 CYLINDER HEAD CRACKED.SDR 2004FA0000054Cylinder · crackedENGINE INTAKE TUBE P/N 646207 FOR THE NR 6 CYLINDER CRACKS OUT AT ITS CYLINDER FLANGE. THIS ENGINE HAS CRACKED 3 INTAKE TUBES. THE CRACKS HAVE BEEN FOUND FROM .5000 INCH LONG TO OVER 3 INCHES LONG. THIS CAUSES AN INTAKE FUEL LEAK AND FIRE HAZARD. THE INTAK
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