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 99ZZZX2440Bushing · misinstalledWHEN NR 2 CYLINDER WAS REMOVED FOR REPAIR, NOTED THE CONNECTING ROD BUSHING HAD BEEN PUSHED OUT OF THE CONNECTING ROD FOR A DISTANCE OF ABOUT .1250 INCH. FURTHER EXAMINATION OF THE ENGINE REVEALED 2 MORE BUSHINGS THAT HAD BEEN SIMILARLY DISPLACED. CLOSER EXASDR AU990577Plug · failed(AUS) NR 2 PISTON PIN PLUG WORN AWAY. PLUG HAD WORN INTO THE PISTON OIL RING LAND. THE ENGINE WAS INSPECTED AND ALL OTHER PISTON PIN PLUGS WERE FOUND WITH VARIOUS DEGREES OF WEAR. THE ENGINE HAD BEEN FITTED WITH NEW CYLINDER KITS IN APRIL 1998.SDR 99ZZZX2434Pushrod · brokenAIRCRAFT STARTED RUNNING ROUGH AND LOST POWER. A LANDING WAS MADE WITH MINOR DAMAGE TO AIRCRAFT (RT WHEEL FAIRING). UPON INSPECTION, FOUND NR 2 CYLINDER EXHAUST PUSHROD BROKEN AND INTAKE PUSHROD BENT. (PUSHROD TUBES ALSO BENT). SUBMITTER SUSPECTED EXHAUST SDR AU990546Plug · worn(AUS) NR 2 CYLINDER PISTON PIN PLUG WORN. PISTON OIL RING LANDS DAMAGED. METAL CONTAMINATION OF THE ENGINE OIL SYSTEM.SDR 99ZZZX2561O-Ring · leakingTROUBLESHOT SYSTEM PER ENGINE MM. FOUND AIR LEAK ON TEMP COMPENSATOR. REMOVED 5 O-RINGS, PN M8324811-904. INSTALLED 5 NEW O-RINGS, P/N SAME. PERFORMED 7 GROUND RUNS ON NR 1 ENGINE. PERFORMED MAXIMUM CONTINUOUS OE 1 ON NR 1 ENGINE. TOPPED NR 1 PER ACFT TESDR 99ZZZX2603Valve · brokenTHE INSPECTION OF THE ENGINE REVEALED NR 3 EXHAUST STACK MOUNTING FLANGE AND SEVERAL OF THE CYLINDER STUDS WERE BROKEN. THE CARBURETOR AIR FILTER BOX WAS BLOWN OPEN AT THE SEAMS. IT APPEARS TO BE FROM ENGINE BACKFIRE. ALL CYLINDERS HAD NORMAL COMPRESSION ANSDR CA990707078Cylinder Head · cracked(CAN) CYLINDER HEAD CRACKED.SDR 99ZZZX2435Nut · looseCYLINDER BASE NUT FOUND IN INNER CYLINDER BAFFLING BETWEEN NR 1 AND NR 3 CYLINDERS ON FIRST INSPECTION SINCE OVERHAUL. RE-INSTALLED, CHECKED TORQUE ON REMAINING NUTS. ALL FOUND WITHIN SPECS.SDR 99ZZZX2383Push Rod · wornPUSH ROD BELOW BALL END SHOW SIGNS OF RUBBING AGAINST THE INSIDE RIDGE OF THE ROCKER ARM WHERE BALL AND SOCKET MEET. IT APPEARS THE ROCKER ARM WAS NOT MACHINED OUT FOR CLEARANCE FOR WHEN THE ROCKER ARM IS PIVOTED TO ITS MAX OPENING WHICH WOULD LEAD TO THE PUSSDR AU990521Cylinder · separated(AUS) LT ENGINE NR 1 CYLINDER HEAD SEPARATED FROM THE CYLINDER BARREL. METAL CONTAMINATION OF OIL SYSTEM.SDR CA990907044Spring · broken(CAN) STICKING VALVES AND BROKEN VALVE SPRING.SDR 99ZZZX2290Plug · wornFOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRT. SDR 99ZZZX2289;Plug · wornFOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRTS.SDR 99ZZZX2288Plug · wornFOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC SI 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 2 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING OF UPWARD FACING PISTON SHIRT. SDR 99ZZZX2287Pug · wornFOUND METAL CONTAMINATION OF OIL FILTER IN EXCESS OF LIMITS CONTAINED IN LYC ST 1492B. FOUND FORWARD PISTON PIN PLUG IN NR 1 CYLINDER EXCESSIVELY WORN DUE TO PISTON RING WEAR STEP SHAVING THE PLUG ON EACH STROKE. FOUND GALLING ON UPWARD FACING PISTON SKIRT. SDR 99ZZZX2722Cylinder · wornDURING A ROUTINE 50-HOUR OIL CHANGE COMPRESSION CHECK, EXCESSIVE LEAKAGE WAS FOUND LEAKING PAST THE INTAKE AND EXHAUST VALVE ON THE NR 1 CYLINDER. THE CYLINDER WAS REMOVED AND FOUND TO HAVE A WORN OUT EXHAUST VALVE AND GUIDE. IT ALSO HAD A BROKEN OUTER SPRINGSDR 99ZZZM420Cylinder · crackedIN CRUISE, NR 1 ENGINE BEGAN TO BACKFIRE, POWER REDUCED RETURNED TO DEPARTURE AIRPORT AND LANDED. FOUND NR 1 CYLINDER CRACKED AND EXHAUST PUSHROD BROKEN CYLINDER AND PUSHROD REPLACED AND AIRCRAFT RETURNED TO SERVICE. (M)SDR 99ZZZX2123Camshaft · wornCAM LOBE WORN OUT CAUSING INTAKE VALVES ON NR 1 AND NR 2 CYLINDERS TO NOT FULLY OPEN. SYMPTOMS WERE LOW TAKEOFF POWER (2,000 RPM) AND WOULD NOT IDLE.SDR 99ZZZX2098Tappet · chippedCAMSHAFT AND LIFTER FOUND CHIPPED OR SPAWLED DURING C/W CSB 99-3A.SDR AU990440Exhaust Valve · damaged(AUS) EXHAUST VALVES ON ALL CYLINDERS WERE BADLY DEFORMED ON THE VALVE STEM TIPS. INVESTIGATION FOUND ABNORMAL WEAR ON THE TIPS OF THE INLET VALVES.SDR CA990521008Piston Pin · corroded(CAN) AIRCRAFT ENGINE WAS BROUGHT IN TO CARRY OUT CSB-99-3. WHEN PREPARING TO REINSTALL THE PISTON PINS, THE PINS WERE FOUND WITH SUBSTANTIAL CORROSION FOR THE TIME IN SERVICE. THE PARTS WILL BE SENT TO CONTINENTAL FOR EVALUATION.SDR AU990503Cylinder · cracked(AUS) NR 6 CYLINDER HEAD SEPARATED FROM THE CYLINDER BARREL. THE HEAD CRACKED FROM THE FORWARD SIDE AND PROGRESSED RAPIDLY AROUND AND THROUGH THE BOTTOM SPARK PLUG HOLE. A COMPRESSION LEAK CHECK HAD BEEN CARRIED OUT DURING THE 100 HOUR INSPECTION APPROXIMATESDR CA991004021Push Rod · damaged(CAN) BROKEN PUSH ROD.SDR 99ZZZX2286Valve · failedEXHAUST VALVE NR 3 CYLINDER BROKE AT STEM CLOSE TO FACE OF VALVE. COMPLETE HEAD OF VALVE GONE, NOT FOUND. CAUSE UNKNOWN. NOTE: LOG SHOWS PART AS NR 74541. PART NUMBER ON VALVE STEM IS SL 74541 G 58. ALSO, NR 3 CYLINDER WAS OVERHAULED BY CRS 202-87, W.O. SDR CA001107014Cylinder · failed(CAN) CYLINDER HAD LOW COMPRESSION. (X)SDR 99ZZZX2180Cylinder · failedAFTER NORMAL TAKEOFF, A BANG WAS HEARD AND THE AIRCRAFT RETURNED TO THE FIELD AND LANDED SAFELY. AN INSPECTION REVEALED A CYLINDER BARREL TO CYLINDER HEAD SEPARATION. ENGINE RETURNED TO FACTORY FOR INSPECTION. NR 2 CYLINDER FAILED. REF: INCIDENT NR BOS990SDR AU990511Seal · missing(AUS) ALL INLET VALVE SEALS MISSING. OIL LEAKING FROM MANIFOLD DRAINS. THE ENGINE WAS COMPLETING GROUND RUNS FOLLOWING INSTALLATION OF AN OVERHAULED ENGINE. SEVERAL OTHER DEFECTS WERE FOUND DURING THE INVESTIGATION OF THE OIL LEAKAGE. THESE DEFECTS WERE: SDR CA990715046Cylinder · separated(CAN) NR 3 CYLINDER SEPARATED FROM CRANKCASE. CONNECTING ROD SEPARATED FROM PISTON. CAUSE OF FAILURE BEING CRANKCASE FRETTING LEADING TO THE LOSS OF TORQUE ON CYLINDER HOLD DOWN NUTS OF NR 3 CYLINDER. ENGINE REPLACED.SDR 99ZZZM320Cylinder · crackedNR 2 ENGINE BACK FIRING IN CRUISE. FEATHERED ENGINE AND LANDED TJBQN. FOUND NR 11 CYLINDER CRACKED. REPLACED AND AIRCRAFT RETURNED TO SERVICE. (M)SDR 99ZZZX1936Cylinder · looseENGINE LOG ENTRY JANUARY 3, 1991, FOR REMOVAL AND REPLACEMENT OF ALL 6 ENGINE CYLINDERS. CYLINDERS INSTALLED WERE CERMICRON CYLINDERS, FLANGES WERE PAINTED ORANGE. AIRCRAFT EXPERIENCED ENGINE FAILURE DUE TO NR 2 CYLINDER LOOSENED FOR THE ENGINE CASE. THIS WSDR AU990430045Tube · broken(AU) IN CRUISE, THE NR 1 ENGINE MADE A SOFT BANG AND BEGAN TO RUN ROUGH. THE AIRCRAFT MADE AN UNSCHEDULED LANDING. POST- FLIGHT INSPECTION FOUND THE NR 9 CYLINDER PUSH ROD CRACKED. BROKEN AND BANGED UP WITH THE BALL END, AT THE ROCKER ARM, FULLY DETACHED FRSDR 99ZZZX3407Rocker Cover · misinstalledNEW ECI PMA CYLINDER ASSEMBLIES WERE INSTALLED AND IN 14 HOURS TIS, 4 OF THE 6 INTAKE ROCKER ARMS WORE HOLES THROUGH ROCKER COVERS. TCM STOCK ROCKER COVERS AND ROCKER COVER GASKETS WERE USED.SDR 99ZZZX2995Cylinder · wornCHOKE WORN OVERSIZE ON NR 6 CYLINDER.SDR AU990469Cylinder · cracked(AUS) ENGINE CYLINDERS CRACKED. ALL VALVES, PISTONS, PISTON RINGS AND VALVE GUIDES WORN BEYOND LIMITS. INVESTIGATION FOUND THAT NR 2 AND NR 3 CYLINDERS HAD BEEN RELEASED BELOW MINIMUM LIMITS PER AAC 6-32 AMDT1. FOUND DURING INSPECTION IAW AD/ENG/4 AMDT7 PSDR AU990420006Stud · loose(AU) DURING DOWN WIND LEG, THE ENGINE BEGAN TO RUN ROUGH. A FORCED APPROACH AND LANDING, NR 2 CYLINDER INTAKE PUSH ROD AND TUBE WERE BENT. THE COVER WAS REMOVED AND THE EXHAUST VALVE ROCKER ARM STUD WAS FOUND TO HAVE WORKED LOOSE. THIS ALLOWED THE CAP FROM THSDR CA990715045Exhaust Valve · broken(CAN) NR 3 ENGINE EXHAUST VALVE BROKEN AT STEM AND INJESTED.SDR AU990416055Bolt · broken(AU) OIL LEAK WAS FOUND ON THE NR 1 ENGINE DURING A PROPELLER CHANGE. FURTHER INSPECTION FOUND A THRU-BOLT BROKEN AT NR 1 CYLINDER. THE THRU-BOLT WAS REPLACED AND ALL CYLINDER RETAINING NUTS WERE CHECKED FOR PROPER TORQUE AND FOUND WITHIN THE LIMITS. THE ENSDR 99ZZZX1811Cylinder · crackedOIL LEAK AT NR 1 CYLINDER APPEARED TO BE COMING FROM PUSHROD TUBE SEALS. FURTHER INVESTIGATION AND PRESSURE CHECK DISCLOSED LEAK UNDER INTAKE PUSHROD AT HEAD/BARREL JOINT. A 2 INCH CRACK, 1.50 INCHES DOWN FROM TOP OF CYLINDER WALL WAS VISIBLE INSIDE THE CYLISDR AU990408Head · mismanufactured(AUS) ENGINE VALVE GUIDES POORLY FITTED. VALVE SEATING PROBLEMS.SDR 99ZZZX2292Stud · looseNR 1 CYLINDER INTAKE VALVE ROCKER ARM STUD BACKED OUT OF CYLINDER HEAD.SDR 99ZZZX1810Connecting Rod · failedTHE LEFT ENGINE APPARENTLY EXPERIENCED A FAILURE OF THE NR 6 CYLINDER PISTON CONNECTING ROD DURING NORMAL FLIGHT CONDITIONS. THE PILOT RETURNED TO THE AIRPORT WITHOUT FURTHER INCIDENT. THE ENGINE WAS SHUT DOWN WHEN THE OIL PRESSURE DROPPED RAPIDLY. ENGINE TSDR 99ZZZX1638Head · crackedHEAD CRACKED, STARTING FROM THE EXHAUST VALVE SEAT AND TRAVELING UP ABOVE THE SPARK PLUG BOSS AND BACK DOWN APPROXIMATELY ONE INCH FROM THE INTAKE VALVE SEAT. THE ENTIRE LENGTH OF THE CRACK WAS APPROXIMATELY FOUR INCHES. A .1250 INCH BY ONE INCH HOLE HAD OPESDR 99ZZZX1640Valve Guide · wornEXHAUST VALVE GUIDES WORN OUT SEVERELY ON ALL 6 CYLINDERS. 133.0 HOURS SINCE NEW.SDR 99ZZZX1639Valve Guide · wornEXHAUST VALVE GUIDES WORN OUT SEVERELY ON ALL 6 CYLINDERS. 210.3 HOURS SINCE NEW.SDR 99ZZZX1992Cylinder Head · crackedECI (ENGINE COMPONENTS INC) C/W CYLINDER RECONDITION. NDT HEAD AND INSTALL NEW BARREL. HEAD FAILED IN-FLIGHT. POSSIBLE CAUSE, UNDETECTED INTERNAL CRACK AT TIME OF RECONDITION. CYLINDER IDENTIFIED AS CL 40/STF 405A.SDR 99ZZZX1459Cylinder · leakingDURING ROUTINE ENGINE, 100-HOUR INSPECTION FOUND CYLINDER NR 3 COMPRESSION 15/80 LEAKING BY INTAKE VALVE AND RINGS.SDR AU990287Seat · wrong part(AUS) INLET VALVE SPRING UPPER SEAT WAS AN INCORRECT PART. THE SEAT WAS AN EXHAUST VALVE UPPER SEAT, BUT WAS ETCHED WITH THE PART NUMBER FOR THE INLET VALVE SPRING. THE INCORRECT ITEM WAS PART OF A NEW CYLINDER KIT P/N 05K21117. UNAPPROVED PART.SDR 99ZZZX1452Cylinder · mismanufacturedVISUAL INSPECTION OF FACTORY NEW CYLINDER KIT P/N 05K21123 PRIOR TO INSTALLATION, REVEALED THE WRONG PART NUMBER OUTER EXHAUST VALVE SPRING SEAT WAS INSTALLED. THE PROPER PART NUMBER FOR THIS PART IS LW-10077. THE NEW CYLINDER WAS RECEIVED FROM A FACTORY DISTRSDR 99ZZZX1436Nut · crackedFAILURE OCCURRED AT THE THINNEST PART OF THE NUT. THE NUT WAS FOUND WHILE TROUBLESHOOTING AN OIL LEAK AT THE CYLINDER BASE FLANGE AT OPPOSING CYLINDER NR 3. THE NUT WAS ON THE STUD BACKED OFF 4 TURNS.SDR 99ZZZX1606Keeper · wrong partWHILE INBOUND FOR LANDING, ENGINE BEGAN TO RUN ROUGH. PILOT LANDED SAFELY. MECHANIC REMOVED SPARK PLUGS. FOUND NR 2 CYLINDER PLUGS OILY. REMOVED ROCKER COVER TO FIND INTAKE ROCKER BROKEN. VALVE STEM REVEALED GALLING AND SHARP EDGES ON STEM. INTAKE VALVE
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