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.

SDR 2009FA0000210Cylinder Head · brokenACFT WAS DOING A STEADY CLIMB AFTER TAKEOFF WHEN HE HEARD A LOUD BANG AND LOST RPM. PILOT LANDED THE PLANE BACK ON THE RUNWAY. FUND THE CYLINDER HEAD ON NR 4 CYLINDER COMPLETELY BLOWN OFF. PROBABLE CAUSE COULD POSSIBLY BE MORE DEFECTIVE CYL ASSY THAN CALLEDFeb 18, 2009 · N5275S · Cessna 172SSDR CA090204014Exhaust Valve · stuck100 HOUR INSPECTION CARRIED OUT AND ENGINE LEAKDOWN CARRIED OUT NORMAL. AFTER ENGINE WAS COOL THE PROPELLER WAS ROTATED TO CHECK MAGNETO TO ENGINE TIMING. A BANG WAS HEARD IN THE FRONT AREA OF THE ENGINE. NR 5 AND NR 6 CYLINDER EXHAUST VALVES WERE STICKING OFeb 4, 2009 · Cessna U206ESDR 2009FA0000049Exhaust Valve · brokenIN FLIGHT HEARD A LOUD NOISE FROM THE NR 2 ENGINE. ENGINE CONTINUED TO OPERATE BUT AT A REDUCED POWER OUTPUT. UPON INSPECTION FOUND ONE HALF OF THE EXHAUST VALVE FACE BROKEN OFF REQUIRING REPLACEMENT OF THE PISTON AND CYLINDER ASSEMBLY.Feb 2, 2009 · N258SD · Raythn G58RAYTHEONSDR 2009FA0000842Cylinder · crackedECI REPAIRED CYLINDER FOUND TO BE CRACKEDJan 20, 2009 · N54DR · Cessna 421BSDR AG2R84729.2Cylinder · crackedEXHAUST PORT CRACKED, TOP SPARK PLUG BOSS CRACKED, EXHAUST SEAT BOSS CRACKED TOO SEVERE FOR REPAIR. AIRCRAFT MANUFACTURER, MODEL, SERIAL NUMBER, TOTAL TIME AND CYCLES ARE UNKNOWN.Jan 20, 2009SDR CA090112006Stud · broken(CAN) ON ROUTINE INSP, NR 4 CYL UPPER CTR HOLD DOWN STUD WAS FOUND SNAPPED OFF. THE CYL WAS REMOVED AND A WASHER WAS FOUND IN BETWEEN CYL AND CRANKCASE. THIS CAUSED CYL TO BE ON SLIGHTLY ANGLED CAUSING STRESS ON THE HOLD DOWN STUDS CAUSING ONE TO BREAK. ENJan 9, 2009 · Piper PA34200SDR VOX2009F00000Bolt · brokenNR 3 CYL INTAKE ROCKER ARM RETAIN BOLTS BROKEN.Dec 26, 2008 · N2883Q · Piper PA34200TSDR 2008FA0000907Cylinder · crackedANNUAL INSP REVEALED A LARGE QUANITY OF VERY BLACK OIL RUNNING DOWN THE ENGINE MOUNT LEG AND AIRFRAME STRUCTURE. FURTHER INVESTIGATION FOUND THE LEAK TO ORIGINATE AT THE HEAD TO BARREL CONNECTIONS OF CYLINDERS NR 1, AND NR 3. COMPRESSION CHECK USING AN INPUTDec 8, 2008 · N653P · Beech 35C33SDR 2009FA0000841Cylinder · cracked12/25/08 6 CRACKED TCM CYLINDERS WERE REPLACED.Dec 5, 2008 · N54DR · Cessna 421BSDR 2008FA0000905Cylinder · separatedNR 1 CYL FAILED, HEAD SEPARATED FROM BARREL. ALL CYL, WERE OVERHAULED, 5/12/2004, 817.5 HRS AGO. (K)Dec 1, 2008 · N333ZX · Beech 58SDR CA081128006Valve Seat · worn(CAN) INTAKE VALVE STAYING OPEN, INTAKE VALVE AND SEAT WORN.Nov 26, 2008 · Piper PA31SDR CA081117007Cylinder · cracked(CAN) NR 3 CYLINDER ASSY WAS FOUND CRACKED BETWEEN THE CYLINDER HEAD AND THE BARREL, APPROX .7500 AROUND THE CICUMFERENCE OF THE ASSY. THIS RESULTED IN LOSS OF COMPRESSION AND ENGINE VIBRATION.Nov 15, 2008SDR 2008FA0000760Cylinder · crackedFOUND ALL 6 CYLINDERS WERE CRACKED. CYLINDER NR1 S/N 50422-12, CRACKED BETWEEN COOLING FIN 16 AND 17 (COUNTED DOWN FROM TOP) FROM THE INTAKE PORT ALL THE WAY AROUND THE CYLINDER, OVER THE TOP SPARK PLUG HOLE, TO THE EXHAUST PORT. 2 CRACKS ON THE INSIDE FROM Nov 12, 2008 · N78417 · Cessna 188BSDR 2008FA0000886Cylinder · separatedPILOT NOTED REDUCTION OF PWR, THEN VIBRATION IN CRUISE FLIGHT. VISUAL INSP REVEALED NR1 CYL INTAKE TUBE SEPARATED FROM SUMP INLET AND WEDGED APPROX 1 INCH AFT OF INLET. FUEL INJECTOR LINE BROKE AT INJECTOR. BOTTOM (2) CYL HOLD DOWN STUDS BROKE AND (1) BOTTOM,Nov 11, 2008 · N801JK · Piper PA31310SDR 2008FA0000776Guide · wornDURING INVESTIGATION OF AN ACCIDENT IN WHICH ACFT LOST POWER AND WAS FORCED TO LAND THE FOLLOWING WAS DISCOVERED: COMPRESSION CHECK REVEALED THE NR 1 CYL WAS LEAKING PAST THE EXHAUST VALVE. (COMPRESSION 45/80). EXAMINATION OF THE CYLINDER REVEALED THE EXHAUSTOct 24, 2008 · N24HM · Bell 47G4ASDR CA081020012Valve · stuck(CAN) DURING STRAIGHT AND LEVEL CRUISE FLIGHT, THE PILOT NOTICED A SUDDEN INCREASE IN VIBRATION, THOUGHT TO BE COMING FROM THE ENGINE, AND AN INCREASE IN MANIFOLD PRESSURE. HE OPTED TO TURN AROUND AND LAND AT A NEARBY CAMP. DURING HIS DESCENT, THE VIBRATION STOct 19, 2008 · Robsin R44RAVENIISDR 2008FA0000690Cylinder · crackedUPON INSPECTION FOUND THAT NR 1 AND NR 5 CYLINDERS WERE CRACKED AND LEAKING FUEL ORIGINATING JUST INBOARD OF THE FUEL NOZZLE BETWEEN THE 16TH AND 18TH COOLING FINS. CYLINDERS WERE NEW WHEN INSTALLED AT ENGINE OVERHAUL.Oct 17, 2008 · N414AN · Cessna 414ASDR 2008FA0000681Cylinder · crackedAIRCRAFT OWNER REPORTED SEVERE VIBRATION. AFTER INSPECTION IT WAS FOUND THAT SPINNER BULKHEAD WAS SEVERELY CRACKED. AFTER FURTHER INSPECTION NR 1 CYLINDER WAS FOUND TO BE CRACKED ALL AROUND THE CIRCUMFERENCE OF THE CYLINDER DIAMETER. THE CRACK WAS RIGHT AT THOct 14, 2008 · N6036 · Beech A36SDR CA081015002Spring · broken(CAN) DURING INSPECTION OF LYCOMING SB 388C FOUND BROKEN INNER SPRING PART NR AEL11795 ON INTAKE AND EXHAUST VALVE.Oct 6, 2008 · Bnorm BN2B27SDR 2008FA0000668Guide · undersizeMOMENTARY SEVERE VIBRATION, POWER LOSS AND ENGINE RPM DROP OCCURRED IN-FLIGHT THEN RETURNED TO NORMAL. COMPRESSION CHECK (COLD) REVEALED STUCK INTAKE VALVE ON NR 6 CYL. INTAKE VALVE GUIDE ID MEASURED .4035" (UNDERSIZED). LIMITS .4040 / .4050. NO BUILDUP FOOct 3, 2008 · N4126A · Robsin R44RAVENIISDR CA081003009Thru Bolt · broken(CAN) ON A PRE-FLIGHT INSPECTION, THE PILOT NOTICED A LOOSE WASHER ON THE FRONT OF THE ENGINE. AFTER FURTHER INSPECTION IT WAS DISCOVERED THAT THE TOP FWD ENGINE THROUGH BOLT FOR NR 6 CYLINDER WAS BROKEN ON THE CYLINDER SIDE. THE LOOSE WASHER WAS BECAUSE THEOct 1, 2008SDR 2008FA0000773Cylinder · crackedNR 4 CYLINDER FOUND CRACK AT BARREL BETWEEN COOLING FINS. CRACK WAS APPROX 300 DEGREES AROUND CYLINDER CIRCUMFERENCE. SYMPTOMS INCLUDED ROUGH RUNNING, LARGE OIL LEAK AND SMOKE. CATASTROPHIC FAILURE WAS EMANATE AND WOULD HAVE CAUSED COMPLETE LOSS OF ENGINE PSep 29, 2008 · N5307Q · Cessna 150LSDR XGN2008F00013Cylinder · crackedCASE CRACKED, TOP OF NR 1 CYL, FWD TOP STUD 3 INCHES LONG. GOING UP TO TOP OF CASE. (K)Sep 29, 2008 · N3378Q · Cessna 402BSDR CA080908008Cylinder · separated(CAN) ACFT WAS CLIMBING OUT ON A TRAINING FLIGHT. SHORTLY AFTER HEARD A LOUD BANG AND RPM DROPPED TO APPROX 1200. TURNED BACK AND LANDED SAFELY FOUND THE NR1 CYL HEAD SEPARATED FROM THE BARREL WITH APPROX 1 INCH OF BARREL EXPOSED PAST THE CYLINDER FINS. NR1 INSep 6, 2008 · Cessna 172NSDR CA080912003Plug · worn(CAN) THE PISTON PIN PLUGS IN TWO CYLINDERS ON THE ENGINE WORE UNUSUALLY AND CAUSED ALUMINUM METAL CONTAMINATION THROUGHOUT THE ENGINE.Sep 2, 2008 · Cessna 152SDR CA080908007Riser · cracked(CAN) DURING 100 HOUR INSPECTION AME FOUND RT EXHAUST STACK CRACKED AT NR 5 CYLINDER, PART WAS REPLACED WITH PART NR 0750161-31.Aug 28, 2008 · Cessna A185ESDR CA080812003Piston · damaged(CAN) TOP COMPRESSION RING BROKEN, OIL RING SEIZED, PISTON BURNED FROM BLOWBY, CONNECTING ROD UPPER BRG LOOSE, BRG BORE OUTSIDE SERVICE LIMITS.Aug 8, 2008 · Cessna 152SDR CA080811002Cylinder · damaged(CAN) NR 1 ENGINE BACKFIRED IN FLIGHT. ENGINE WAS SHUTDOWN AND PROP FEATHERED. NR 2 CYLINDER EXHAUST EAR WAS FOUND CRACKED. CYLINDER WAS REPLACED AND ENGINE GROUND RUNS SERVICEABLE.Aug 6, 2008 · Cndair CL2151A10SDR CA080812005Exhaust Valve · broken(CAN) EXHAUST VALVE BROKE IN CRUISE FLIGHT 15 MIN AFTER DEPARTURE. PARTIAL POWER LOSS - ENGINE VIBRATION. PRECAUTIONARY LANDING EXECUTED. SERVICEABLE CYL COMPLETE INSTALLED AFTER LOCATING THE DEFECT/FAILURE. ACFT RETURNED TO SERVICE.Aug 3, 2008 · Dhav DHC3SDR CA080806012Cylinder Head · cracked(CAN) DURING CLIMB OUT WITH GLIDER IN TOW, THE PILOT REPORTED AN ENGINE VIBRATION. THEY IMMEDIATELY INSTRUCTED THE GLIDER TO RELEASE AND THEN PREFORMED A DOWN WIND LANDING AND RETURN TO HANGER. UPON SHUTDOWN AND INSP IT WAS FOUND THAT CYL NR1 HEAD HAD CRACKED Aug 1, 2008 · Bbavia 8GCBCSDR CA080805007Bolt · sheared(CAN) IN CRUISE FLIGHT, THE NR 1 ENGINE LOST POWER AND BEGAN TO BACKFIRE. ENGINE SHUT DOWN AND FEATHERED. UPON INSPECTION OF ENGINE NR 9 CYLINDER EXHAUST ROCKER BOLT FOUND SHEARED AT NUT AND BOLT HAD DISENGAGED FROM CYLINDER EAR ASSEMBLY. NEW BOLT AND NUT ASSEAug 1, 2008 · Gruman FIRECATSDR XGN2008F00012Cylinder · crackedREV 3, E=SERIES CYLINDER, CRACKED. (K)Aug 1, 2008 · N4165G · Cessna 402BSDR CA080730003Spring · broken(CAN) CYLINDER WAS PULLED DUE TO LOW COMPRESSION. WHEN THE ROCKER COVER WAS REMOVED IT WAS DISCOVERED THAT BOTH THE INNER AND OUTER EXHAUST VALVE SPRINGS WERE BROKEN INTO MANY PIECES.Jul 30, 2008SDR 2008FA0000529Guide · seizedDURING FLIGHT, THE ENGINE STARTED RUNNING ROUGH AND LOST POWER. EMERGENCY LANDING COMPLETED WITHOUT DAMAGE OR INJURY. MAINT FOUND THE NR 3 EXHAUST VALVE SEIZED IN THE VALVE GUIDE. FURTHER INVESTIGATION FOUND THE GUIDE BROKEN IN THE CYLINDER HEAD. OPERATOR Jul 30, 2008 · N543ER · Cessna 172SSDR 2008FA0000654Cylinder Head · damagedDURING CYLINDER OVERHAUL A DAMAGE SEAT POCKET CUTTER USE USED. THIS RESULTED IN A VALVE SEAT POCKET THAT MEASURED WITHIN LIMITS BUT LACKED THE PROPER SURFACE CONTACT. AFTER APPROXIMATELY 3 HOURS OF ENGINE OPERATION, THE VALVE SEAT CAME OUT CAUSING THE INTAKE VJul 23, 2008 · N8626E · Enstrm F28FSDR XGN2008F00011Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV 3 E SERIES CYLINDER. ALL DEFECTIVE! (K)Jul 23, 2008 · N3378Q · Cessna 402BSDR XGN2008F00010Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3, AFT OF THE INJECTOR. MFG REV 3 E SERIES CYLINDER. ALL DEFECTIVE! (K)Jul 23, 2008 · N4165G · Cessna 402BSDR XGN2008F00009Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV E SERIES CYLINDER. ALL DEFECTIVE! (K)Jul 23, 2008 · N3378Q · Cessna 402BSDR XGN2008F00008Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV 3 E SERIES CYLINDER. ALL DEFECTIVE. (K)Jul 23, 2008 · N5421M · Cessna 402BSDR XGN2008F00007Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. MFG REV E SERIES CYLINDER. ALL DEFECTIVE.Jul 23, 2008 · N5421M · Cessna 402BSDR XGN2008F00006Cylinder · crackedCRACKED BETWEEN FIN NR 1 AND FIN NR 3 AFT OF THE INJECTOR. ECI REV 3 E SERIES CYLINDER. ALL DEFECTIVE. (K)Jul 23, 2008 · N5421M · Cessna 402BSDR 2008FA0000578Valve Seat · damagedINTAKE VALVE SEAT CAME LOOSE FROM THE SEAT BORE IN THE CYLINDER HEAD. THE LOOSE SEAT DAMAGE TO CYLINDER HEAD, VALVE, AND VALVE SEAT. INTERFERENCE FIT BETWEEN THE VALVE SEAT AND THE CYLINDER HEAD WAS NOT CORRECT. THIS WAS AN OVERHAULED CYLINDER. (K)Jul 16, 2008SDR CA080718006Washer · broken(CAN) DURING AN OIL LEAK REPAIR ON THE R2800 RT ENGINE, IT WAS DISCOVERED THAT THE ROCKER CAP ON CYLINDER NR 4 WAS CRACKED. CAP WAS REMOVED AND FOUND THAT 1/3 OF THE INTAKE VALVE UPPER WASHER WAS BROKEN OFF AND THE PIECE WAS LAYING IN THE ROCKER BOX AREA. INSPJul 14, 2008 · Cndair CL2151A10SDR N582008F00000Cylinder · crackedCRACK FOUND BETWEEN FUEL INJECTION BOSS AND SPARK PLUG BOSS. (S)Jul 11, 2008 · N58GE · Beech 58SDR CA080805014Camshaft · corroded(CAN) DURING INSP , NR2 CYL WAS REMOVED DUE TO LOW COMPRESSION. DISCOVERED LIFTERS ON NR1 CYL HAD PITTING AND SPALLING. FURTHER INVESTIGATION REVEALED THE CAMSHAFT WAS CORRODED AND WORN ALSO. ENGINE REMOVED FOR REPAIR. ENGINE HAS 670 HOUR TSOH. UPON TEARDOWN, Jul 9, 2008 · Cessna A185FSDR CA080715006Stud · failed(CAN) A COMPLETE SEPARATION OF THE CYLINDER HEAD FROM THE BARREL OCCURRED. THE SEPARATION SEEMED TO HAVE STARTED IN THE EXHAUST PORT AREA.Jul 8, 2008 · Cessna U206FSDR CA080710005Exhaust Valve · damaged(CAN) EXHAUST VALVE BROKE/SEPARATED DURING FLIGHT. BASE OF VALVE STAYED IN COMBUSTION SECTION OF CYLINDER AS ENGINE RAN CAUSING DAMAGE TO PISTON, AND UPPER CYLINDER COMBUSTION CHAMBER. PILOT REPORTED DECREASE IN POWER/VIBRATION AND UPON THROTTLING BACK, AN INCJul 8, 2008SDR 2008FA0000583Cylinder Head · separatedON JULY 8, 2008, MADE AN EMERGENCY LANDING IN DESSERT TERRAIN AFTER THE ENGINE BEGAN TO EXHIBIT SEVERE VIBRATIONS, LOSS OF POWER AND SMOKE. THE NR 2 CYLINDER WAS FOUND TO HAVE SEPARATED FROM THE CASE, SEVEN OF THE EIGHT HOLD STUDS WERE FOUND TO HAVE SHEARED.Jul 8, 2008 · N5268U · Cessna 172RGSDR CA080711011Cylinder Head · separated(CAN) IN FLIGHT ENGINE BECAME ROUGH - POPPING/BANGING SOUND PRECAUTION AND LANDING COMPLETED ENGINE INSPECTED - CYL NR 3 HEAD FOUND BROKEN FROM BARREL. REMAINDER OF CYLS VISUALLY INSPECTED WITH NO DAMAGES FOUND. CYL NR 3 ASSY. REPLACED WITH OVERHAULED UNIT. - Jul 6, 2008 · Dhav DHC2MKISDR CA080709008Exhaust Valve · seized(CAN) DURING A FLIGHT IN THE R44 HELICOPTER, THE PILOT NOTICED A SIGNIFICANT VIBRATION APPROX. 2 HOURS INTO THE FLIGHT. THE VIBRATION LASTED 45 SECONDS. THERE WERE NO AUDIBLE ALARMS & ALL GAUGES READ NORMAL. THE A/C WAS DESCENDING WITHOUT CONTOL INPUTS,AFTER Jul 4, 2008
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