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 CA961025010Cylinder · separation(CAN) SEPARATION OF #3 CYLINDER. SUSPECT VALVE KEEPERS LET LOOSE.SDR 96ZZZX5561Bolt · failedNR 4 CYLINDER ROCKER SHAFT BOLTS BROKE. LOOSE ROCKER PUNCHED A HOLE THROUGH VALVE COVER. ROUGH RUNNING AND SMOKE IS REASON FOR IN-FLIGHT SHUT DOWN.SDR CA970106007Cylinder · cracked(CAN) INSPECTION FOUND CYLINDER CRACKED AT COOLING FINS AFTER AIRCRAFT MADE FORCED LANDING IN FIELD.SDR 97ZZZX795Cylinder · low compressionCOMPRESSION CHECK REVEALED NR 2 CYL LOW. SUBMITTER STATES THIS IS THE SECOND CE 185 IO550 INSTALLED BY STC TO HAVE LOW COMPRESSION AT 200 HRS, FOUND IN LAST 2 MONTHS.SDR 96ZZZX5291Cylinder · seat wornTHE AIRCRAFT ARRIVED FOR 100-HOUR INSPECTION. COMPRESSION CHECK SHOWED NR 4 CYLINDER 55/80. ALL OTHER CYLINDERS WERE IN THE MID 70'S. THE CYLINDER WAS REMOVED. EXHAUST VALVE AND SEAT WERE WORN EXCESSIVELY. THIS IS A FACTORY RE-MANUFACTURED ENGINE. ALSO, FSDR CA961003011Cap Valve Stem · missing(CAN) ENGINE WAS OVERHAULED 15 AUGUST 1994. ANNUAL 100 HOUR INSPECTION JULY 1995 FOUND #1 CYLINDER COMPRESSION LOW (50 PSI), CYLINDER WAS REMOVED, REPAIRED AND REINSTALLED UNDER WARRANTY BY OVERHAULER. NEXT 103.3 HOUR ANNUAL INSPECTION FOUND FOUR (4) ROCKER BOSDR 96ZZZX5226Valve · stem failedPRECAUTIONARY LANDING MADE DUE TO POWER LOSS AND FLUCTUATING OIL PRESSURE. ENGINE WOULD MAINTAIN 1,800 RPM, AT FULL THROTTLE. NR 3 CYLINDER EXHAUST VALVE FAILED JUST ABOVE HEAD/STEM RADIUS. SECONDARY CYLINDER AND PISTON DAMAGE REMNENTS OF VALVE FOUND IN MUFSDR CA961002010Cylinder · broken(CAN) #2 ENGINE BEGAN TO RUN ROUGH AND BACKFIRE IN CLIMB. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION FOUND THE #6 CYLINDER EXHAUST ROCKER BOX SECTION BROKEN LOOSE FROM THE CYLINDER CAUSING THE EXHAUST VALVE TO REMAIN CLOSED. #6 CSDR CA961016003Hydraulic Lifter · sleeve seized(CAN) DURING A CYLINDER CHANGE A FAULTY HYDRAULIC LIFTER WAS NOTED AND FURTHER INSPECTION FOUND THE INTERNAL SLEEVE (PISTON) WAS SEIZED.SDR 96ZZZX5114Rocker · failedWHEN AIRCRAFT WAS FLYING, A LOUD BANG WAS HEARD. MAP WENT FROM 27 INCHES TO 20 INCHES WITH NOTICEABLE LOSS OF POWER AND INCREASED VIBRATION. AIRCRAFT WAS LANDED WITHOUT DAMAGE. NR 2 ROCKER COVER REMOVED AND BALL JOINT OF EXHAUST ROCKER FOUND LAYING IN COVERSDR 97ZZZX1064Cylinder · crackedINSPECTION FOUND NR 4 CYLINDER CRACKED AROUND HEAD OF CYLINDER JUST ABOVE THE TOP OF THE CYLINDER BARREL.SDR CA960924030Piston Pin · sheared(CAN) PILOT HEARD BANG BUT ENGINE CONTINUED TO PERFORM NORMALLY. APPROXIMATELY 2 MINUTES LATER THE ENGINE BEGAN TO SHAKE VIOLENTLY WITH NOTICEABLE POWER LOSS. AIRCRAFT LANDED AND ENGINE WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND #2 CYLINDER PISTON PIN BROKEN, SDR CA961018002Cylinder · head separated(CAN) HEAD BLOWN OFF CYLINDER.SDR 96ZZZX5140Equalizer Tube · blockedFOUND EQUALIZER TUBE BLOCKAGE AT SMALL HOLE WHERE MANIFOLD PRESSURE LINE CONNECTS. BLOCKED BY CONTAMINATES PERHAPS DUE TO MANUFACTURING.SDR 96ZZZX5049Cylinder · crackedRIGHT ENGINE STARTED TO RUN ROUGH AND BACKFIRE IN-FLIGHT. ENGINE SHUT DOWN AND AN UNEVENTFUL LANDING WAS MADE. INVESTIGATION FOUND NR 2 CYLINDER CRACKED. CYLINDER WAS REMOVED AND REPLACED WITH A YELLOW TAGGED UNIT. ENGINE GROUND RAN, CHECKED SATISFACTORY. SDR 96ZZZX4972Washer · breaksCYLINDER ROCKER ASSY TAB WASHER LOCK TABS BREAK OFF OR CRACK WHEN BENT TO SECURE ROCKER BOLT. WASHER PN SA501867, LOT NR 514064 MFG DATE 7-26-96. ONE REPAIR STATION REPORTS 12 OF 12 WASHER TABS BROKE ON INSTALLATION.SDR 96ZZZX5000Seal · failedDURING AN ANNUAL INSPECTION, THE ENGINE OIL SUCTION SCREEN WAS FOUND TO CONTAIN A SPRING AND FRAGMENTS OF A RUBBER COMPOUND. TELEDYNE CONTINENTAL SB CSB 95-4 PERTAINS TO THIS SUBJECT, BUT IS NOT SUBJECT TO MODELS AFFECTED BY SERIAL NUMBER. THE SB WAS C/W ON SDR 96ZZZX4999Seal · failedDURING AN ANNUAL INSPECTION, THE ENGINE OIL SUCTION SCREEN WAS FOUND TO CONTAIN A SPRING AND FRAGMENTS OF A RUBBER COMPOUND. TELEDYNE CONTINENTAL SB CSB 95-4 PERTAINS TO THIS SUBJECT, BUT IS NOT SUBJECT TO MODELS AFFECTED BY SERIAL NUMBER. THE SB WAS C/W ON SDR 96ZZZX5470Lock Tab · failedCYLINDERS WERE SENT OUT FOR CHROMING AND OVERHAUL. CYLINDERS WERE RECEIVED BACK READY TO INSTALL. NEW SUPERIOR AIR PARTS ROCKER ARM SHAFT BOLT LOCK TABS WERE INSTALLED. UPON BENDING TANGS OVER BOLT HEADS, ALL TANGS EITHER CRACKED OR BROKE OFF COMPLETELY. SSDR 96ZZZX5303Cylinder · out of specCYLINDER CLASS 68-1 RECEIVED WITH INTAKE ROCKER SHAFT END-PLAY IN EXCESS OF (SIDE CLEARANCE). .040 INCH RECEIVED FROM EC SW, 8-13-96.SDR 96ZZZX5139Cylinder · wornTCM CYLINDER KITS (2) PN 649543A3, 547 HOURS SINCE NEW, EXHAUST VALVE GUIDES WORE OUT (VALVE SWIMS IN GUIDES). SUSPECT CAUSE - GUIDES MADE OF POOR MATERIAL. RECOMMENDATION - BETTER QUALITY CONTROL BY TCM.SDR 96ZZZX4930Pin Plug · failedCYLINDER REMOVED FROM ENGINE DUE TO ALUMINUM IN OIL SCREEN. FOUND PIN PLUG SHAVED COMPLETELY OFF ON NR 3 CYLINDER ALLOWING PIN TO RUB AGAINST CYLINDER WALL. THESE TYPES OF PIN PLUGS ARE A LOOSE FIT UNLIKE SUPERIOR AIR PARTS, INC., STYLE AND WERE INSTALLED WISDR CA960919007Cylinder · separated(CAN) PILOT REPORTED LOSS OF POWER ON TAKEOFF ON #2 ENGINE. POST FLIGHT INSPECTION FOUND #2 CYLINDER HAD SEPARATED AT THE HEAD. THE #2 CYLINDER WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.SDR 98ZZZX4470Valve Guide · wornDURING A ROUTINE COMPRESSION CHECK, LEAKAGE WAS FOUND ON THE EXHAUST VALVES ON THE NR 1 AND NR 3 CYLINDERS. THE REMOVED CYLINDERS, EXHAUST VALVES AND GUIDES WERE FOUND WORN OUT. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE PARTS AND/OR ASSSEMBLY PROCES FRSDR 96ZZZX5341Cylinder · head separatedDURING CRUISE ENGINE BECAME ROUGH RUNNING. EMERGENCY LANDING WAS MADE. INVESTIGATION REVEALED HEAD SEPARATION OF CYLINDER.SDR CA960910008Valve · stuck open(CAN) EXHAUST VALVE STUCK IN OPEN POSITION ON #2 CYLINDER.SDR CA960916023Valve · severe wear(CAN) DURING TROUBLESHOOTING TO DETERMINE CAUSE OF ROUGH RUNNING ENGINE OIL FILTER WAS REMOVED AND FERROUS METAL PARTICLES WERE FOUND. ENGINE WAS DISMANTLED AND #1 AND #3 CYLINDER EXHAUST VALVES WERE FOUND SEVERELY WORN.SDR 96ZZZX5022Cylinder · failedON COMPANY FLIGHT 8-27-96, AIRCRAFT WAS LANDED WHILE EN ROUTE BECAUSE OF LT MAGNETO FAILURE. IT WAS THEN DETERMINED NR 1 CYLINDER EXHAUST ROCKER CHAMBER WAS CRACKED. CYLINDER REPLACED AND AIRCRAFT CONTINUED FLIGHT.SDR 96ZZZX4783Valve Guide · oversizeCYLINDER REMOVED FOR LOW COMPRESSION. FOUND EXT VALVE GUIDE .012 INCH OVERSIZE AT ONE END ALLOWING EXT VALVE EXCESS MOVEMENT CAUSING IMPROPER VALVE SEATING. FACTORY NEW CYLINDER INSTALLED. THIS ENGINE FACTORY REMANUFACTURED 6/95.SDR CA960909035Cylinder · cracked(CAN) #1 AND #2 CYLINDERS WERE FOUND CRACKED ON THE CENTRE OF THE HEAD.SDR 96ZZZX4371Cylinder · crackedCYLINDER CRACKED FROM TOP SPARK PLUG HOLE AROUND SIDE TO BOTTOM SPARK PLUG HOLE. AIRCRAFT LANDED SAFELY WITHOUT FURTHER PROBLEMS (LOSS OF RPM). ENGINE TT, 2,601.4 HOURS. TSMOH: 607.7 HOURS. SUBMITTER STATED THIS IS THE THIRD CRACKED CYLINDER ON THIS AIRCRSDR 96ZZZX5023Piston · failedDURING FLIGHT, THE PILOT REPORTED HEARING A SLIGHT KNOCKING IN THE ENGINE AND NOTED A 20 PSI DROP IN OIL PRESSURE. A PRECAUTIONARY LANDING WAS MADE WITHOUT INCIDENT. COMPRESSION CHECK REVEALED NR 3 CYLINDER LOW AT 50/80. CYLINDER REMOVAL REVEALED NR 3 PISTOSDR 96ZZZX4382Cylinder · crackedTAKEOFF ABORTED FOR LOSS OF POWER/ROUGH RUNNING ENGINE. POST-FLIGHT MAINTENANCE INSPECTION REVEALED 3 INCH HAIR LINE CRACK RUNNING CIRCUMFERENTIALLY, BETWEEN NR 14 AND NR 15 FIN (COUNTING DOWN FROM TOP) OF NR 2 CYLINDER. SMALL BURN AREA OBSERVED ON NR 4 CYLISDR CA960910003Valve · stuck open(CAN) WHILE IN CRUISE AN ENGINE CYLINDER EXHAUST VALVE STUCK OPEN. THE SUBMITTER STATES THAT THIS ENGINE WAS OPERATED WITH MOGAS, WHICH HE SAYS IS HARD ON THE VALVES AND SUGGESTS THAT 80/87 OR 100 LOW LEAD GASOLINE SHOULD BE USED.SDR 96ZZZX4287Valve · failedEXHAUST VALVE FAILURE, 200 HOURS AFTER CYLINDER OVERHAUL. YELLOW TAG INDICATES CYLINDER WAS REBUILT USING SERVICEABLE PARTS. REBUILDER WAS CONTACTED, BUT COULD NOT DETERMINE TOTAL NUMBER OF HOURS ON VALVE WHEN INSTALLED. LYC SB NR 301B STATES EXHAUST VALVES SDR 96ZZZX4373Cylinder · failedNR 4 CYLINDER HEAD SEPARATED FROM BARREL CAUSING ENGINE FAILURE IN-FLIGHT RESULTING IN FORCED LANDING (I-35 SOUTH, SAN ANTONIO). R2 CYLINDER ASSY OPS CHECK OK.SDR 96ZZZX4756Balance Tube · chafedBOTTOM COWL SHOCK MOUNT WAS FOUND CHAFING AGAINST INTAKE BALANCE TUBE ON THE ENGINE. THIS WOULD CAUSE AN INDUCTION LEAK. SAME CONDITION NOTICED ON SEVERAL 182'S. ACTT: 1,281 HOURS. SHOCK MOUNT, P/N S1115-29.SDR AU961113Cylinder · cracked(AUS) NO8 CYLINDER CRACKED - DURING REMOVAL TOP OF CYLINDER SEPARATED FROM CYLINDER BODYSDR CA960827016Valve · stem sticking(CAN) ON INSPECTION THERE WAS NO COMPRESSION ON #4 CYLINDER. THE CYLINDER WAS REMOVED AND THE EXHAUST VALVE GUIDE WAS STUCK AND THE VALVE WAS IN THE FULL OPEN POSITION. THE CYLINDER WAS REPLACED.SDR AU961155Cylinder · damaged(AUS) NO3 ENGINE NO6 CYLINDER AND CRANKCASE DAMAGED - AIRCRAFT HAD BEEN IDLE FROM NOVEMBER 1995 UNTIL JUNE 1996 - THE ENGINES HAD NOT BEEN INHIBITED OR REGULARLY GROUND RUN DURING THAT TIMESDR 96ZZZX4826Cylinder · piston failedAIRCRAFT MADE EMERGENCY LANDING. RIGHT ENGINE FAILED DUE TO NR 2 CYLINDER AND PISTON DEPARTING AIRCRAFT IN-FLIGHT. CYLINDER PARTS AND SIDE COWL NEVER RECOVERED. TEAR-DOWN INSPECTION REVEALED NO APPARENT REASON FOR FAILURE.SDR CA960827017Valve · warped seat(CAN) ON A 200 HOUR INSPECTION #3 AND #4 CYLINDERS HAD NO COMPRESSION. THE VALVES WERE NOT SEATING PROPERLY. DUE TO THE HIGH TIME OF THE ENGINE THE ENGINE WAS REPLACED.SDR 96ZZZX5213Cylinder · scoredAT ANNUAL INSPECTION ENGINE COMPRESSION READINGS SHOWED THE FOLLOWING: NR 1, 70/80, NR 2, 58/80, NR 3, 72/80, NR 4, 56/80, NR 5, 64/80, AND NR 6, 70/80. ALL LEAKAGE WAS PAST PISTON RINGS. BORESCOPE INSPECTION REVEALED SCORING ON ALL CYLINDERS. AN INSPECTIOSDR 96ZZZX4895Cylinder · crackedLEFT ENGINE BEGAN CONTINUOUSLY BACKFIRING AFTER LEAVING 2,000 FEET. ALL PRESSURES WERE NORMAL, TORQUE METER FLUCTUATIONS BETWEEN BACKFIRES. ENGINE WAS SHUT DOWN AND SECURED, RETURNED TO AIRPORT. NR 1 CYLINDER WAS FOUND CRACKED AT EXHAUST PORT. CYLINDER REPSDR CA960826097Stud · broken(CAN) DURING FLIGHT ENGINE STARTED TO RUN ROUGH. ENGINE POWER REDUCED AND AIRCRAFT LANDED ON HIGHWAY. GROUND INSPECTION FOUND #4 CYLINDER EXHAUST ROCKER STUD BROKE ALLOWING THE ROCKER ARM AND STUD TO FALL INTO THE BOTTOM OF THE ROCKER COVER. THIS RESTRICTED THSDR CA960819201Pushrod · sheared(CAN) PILOT REPORTED BACKFIRE DURING GROUND RUN-UP. INVESTIGATION FOUND REAR ENGINE #3 CYLINDER EXHAUST PUSHROD SNAPPED APPROXIMATELY 1" FROM THE TIP. RETAINER P/N 628059 WAS ALSO FOUND FAILED. ENGINE WAS RETURNED TO OVERHAUL SHOP.SDR 96ZZZX4949Piston · wrong partCUSTOMER COMPLAINED OF LOW STATIC RPM AND SLUGGISH PERFORMANACE OF AIRCRAFT. THIS CORRESPONDED WITH APPROXIMATE TIME OF A TOP OVERHAUL. PROPELLER AND TACHOMETER WERE CHECKED AND WITHIN SPECIFICATIONS. LOG BOOK ENTRIES STATING WORK DONE WAS VERY VAGUE AND NOSDR 96ZZZX4742Rocker Boss · failedROCKER BOSS FAILED (CRACKED) ON EXHAUST SIDE ON CYLINDER NR 3. ROCKER SHAFT PUNCHED THROUGH VALVE COVER. INSPECTED MAGNETO DRIVE COUPLING PER SB M90-11, FOUND OK.SDR CA960826094Valve · broken(CAN) BROKEN EXHAUST VALVE ON #5 CYLINDER. CYLINDER REPLACED, ENGINE GROUND RUN SERVICEABLE AND AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZX5228Valve · wornPEFORMED SB 388B ON ALL 6 CYLINDERS AT ANNUAL INSPECTION, 4 OF 6 CYLINDER EXHAUST VALVE AND GUIDES WORN BEYOND SPECS. REMOVED CYLINDERS, FOUND 2 CYLINDERS WITH BROKEN RINGS, AND 6 CYLINDERS WERE CRACKED. REPLACED CYLINDER ASSY. SUBMITTER STATED SB 88B IS A G
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