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 CA971104001Push Rod · separated(CAN) BALL END OF NR 1 CYLINDER PUSH ROD CAME LOOSE, COCKED AND LODGED IN THE EXHAUST VALVE CAUSING THE ENGINE TO RUN ROUGH.SDR 97ZZZX4636Cylinder · crackedDURING FLIGHT FROM EWR TO PWM, THE PILOT EXPERIENCED THE LEFT ENGINE FAILURE. ENGINE WAS SHUT DOWN. FOUND NR 6 CYLINDER CRACKED AT CYLINDER BASE CAUSING COMPLETE FAILURE. ENGINE COMPLETELY DISASSEMBLED AND INSPECTED.SDR 97ZZZX4705Thrust Button · missingDURING C/W LYC SB 301 AND SB 388 ALL ROCKER SHAFT THRUST BUTTONS WERE DISCOVERED MISSING. THIS IS A FACTORY REMANUFACURED ENGINE.SDR 97ZZZX5107Cylinder · crackedOIL LEAKED FROM THE CRACKED CYLINDER WHICH FLOWED ONTO THE EXHAUST SYSTEM AND CAUSED SOME SMOKE TO BE FORCED INTO THE CABIN. THE PILOT DID A PRECAUTIONARY SHUT DOWN AND LANDED AT RAPID CITY WITHOUT ANY FURTHER INCIDENT.SDR 97ZZZX4820Cylinder · failedPILOT REPORTED RIGHT ENGINE RUNNING ROUGH. INVESTIGATION FOUND NR 4 CYL HEAD SEPARATED FROM BARREL. THE CYLINDER HAD BEEN INSTALLED 148 HOURS BEFORE. RECENTLY OVERHAULED. TOTAL TIME ON CYLINDERS ARE NOT RECORDED. SUBMITTER RECOMMENDS THAT CYLINDERS BE SCRSDR 97ZZZX4728Cylinder · crackedNR 5 CYLINDER ASSY CRACKED ONE-THIRD AROUND STEEL BARREL APPROXIMATELY 1 INCH BELOW CYLINDER HEAD.SDR 99ZZZX342Cylinder · damagedDURING ANNUAL INSPECTION, 10-10-97, FOUND NR 2 CYLINDER COMPRESSION WAS LOW. AFTER INSPECTION OF CYLINDER, INTAKE VALVE SEAT WAS FOUND LOOSE, INTAKE VALVE WAS BURNT. AT THAT TIME, THE OWNER SHOWED 2 MORE CYLINDERS FROM PAST MAINTENANCE WITH THE SAME CONDITIOSDR 99ZZZX341Stud · damagedDURING ANNUAL INSPECTION, 10-10-97, NR 2 CYLINDER COMPRESSION LOW. AFTER INSPECTION OF CYLINDER, FOUND INTAKE VALVE SEAT LOOSE AND VALVE BURNT. SUBMITTER STATED POSSIBLE CAUSE MAY HAVE BEEN OVERBOOSTING ENGINE DURING FLIGHT INSTRUCTION.SDR 97ZZZX4579Cylinder · separationDURING NORMAL FLIGHT, PILOT NOTICED LEFT ENGINE RUNNING ROUGH AND RETURNED TO POINT OF DEPARTURE. DETERMINED THE NR 1 CYLINDER ON THE LEFT ENGINE HAD SEPARATED THE HEAD FROM THE BARREL. SUBMITTER SUGGESTED FROM PAST EXPERIENCE, THIS IS TYPICAL OF A TCM TSIO5SDR 97ZZZX4641Piston Pin · failedOIL SCREEN FULL OF METAL AND COLLAPSED. FOUND PIN PLUG NR 6 CYLINDER FAILED. PIN PLUG IN NR 2 CYLINDER EXPANDED AND LOOSENED. SUBMITTER STATED ALUMINUM PLUGS ARE SWAGED. MAYBE A RELIEF HOLE TO RELIEVE INTERNAL PRESSURE MIGHT BE CONSIDERED TO PREVENT EXCESSSDR CA971031001Cylinder · cracked(CAN) FIFTEEN MINUTES PRIOR TO LANDING THERE WAS A SLIGHT DROP IN MANIFOLD PRESSURE AND RPM CHANGE ON NR2 ENGINE. ONE MINUTE LATER OIL BEGAN LEAKING FROM THE FRONT OF THE ENGINE FOLLOWED BY A DROP IN OIL PRESSURE. THE ENGINE WAS SHUTDOWN AND SECURED AND THE FLSDR CA971016002Piston Ring · broken(CAN) DURING CYLINDER REMOVAL TO CORRECT AN OIL CONSUMPTION PROBLEM, IT WAS FOUND THAT PISTON RING (P/N 684042) WAS BROKEN. IT APPEARS THERE WAS A CASTING PROBLEM DURING MANUFACTURER.SDR CA971027009Cylinder · scored(CAN) NR2 CYLINDER REMOVED DUE TO LOW COMPRESSION AND THE PISTON SIDE SCORED.SDR 98ZZZX224Rocker Boss · failedDURING ANNUAL INSPECTION, NR 4 CYLINDER COMP AT 50/80 WITH AIR NOISE IN EXHAUST STACK. ON REMOVAL OF ROCKER BOX COVER, THE TOP HALF OF THE LEFT BOSS CAME OUT WITH THE COVER. TEN HOURS PREVIOUSLY, THE COVER HAD BEEN REMOVED AND PUSH ROD TUBES HAD BEEN RESEALESDR CA971007010Cylinder · cracked(CAN) AFTER NOTICING AN OIL STREAK COMING FROM BETWEEN THE HEAD AND THE BARREL, THE CYLINDER WAS REMOVED AND A CRACK WAS FOUND ONE INCH FROM THE TOP OF THE CYLINDER.SDR 97ZZZX4442Piston · damagedA CYLINDER WAS REMOVED DUE TO OIL FOWLING OF THE SPARK PLUGS. A CHUNK OF METAL WAS MISSING FROM THE PISTON. REMOVED THE OTHER 3 CYLINDERS AND FOUND 3 OF THE 4 PISTONS WERE DAMAGED IN THIS WAY. ALL CYLINDER COMPRESSIONS TESTED GOOD, MID 70/80.SDR AU971418Valve · failed(AUS) NO3 CYLINDER EXHAUST VALVE HEAD HAD APPROXIMATELY 30% MISSING.DAMAGE CAUSED TO THE TOP OF THE PISTON.SDR 97ZZZX4387Valve · brokeEXHAUST VALVE BROKE DURING A FULL POWER APPLICATION. SUSPECT CAUSE MAY BE REDUCED LEAD CONTENT IN FUEL.SDR AU971344Clamp · loose(AUS) RH ENGINE FLEXIBLE INDUCTION TRUNK FORWARD ATTACHMENT CLAMP LOOSE.SDR 97ZZZX4265Pin Plug · failedPISTON PIN PLUG FAILURE DUE TO PISTON PIN MIGRATION FORCING THE PLUG TO THE BARREL WALL. UPON ZERO COMPRESSION CHECK, REMOVED CYLINDER AND PLUG WAS FOUND IN A SMALL BALL RIDING WITHIN THE PISTON PIN. BOTH COMPRESSION RINGS AND OIL CONTROL RING DAMAGED ALONG SDR CA971027008Cylinder Assy · excessive wear(CAN) TEN HOURS AFTER COMPLIANCE OF FAA AD 97-15-01 (SS BY FAA AD 97-21-02), SIDE LOADING OF THE PISTON, THE AIRCRAFT OWNER COMPLAINED TO THE OVERHAUL SHOP OF ENGINE VIBRATION AND POWER LOSS. INSPECTION OF THE OVERHAULED ENGINE REVEALED EXCESSIVE AND PREMATURESDR 97ZZZX4248Spring · brokenENGINE RUNNING ROUGH. EXHAUST VALVE LEAKING ON COMPRESSION TEST. FOUND OUTER SPRING BROKEN 180 HOURS S.F.R.SDR CA970922012Cylinder · failed(CAN) ENROUTE TO A SPRAY OPERATION THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER. THE PILOT DUMPED THE LOAD AND ATTEMPTED A RETURN TO BASE. THE AIRCRAFT COULD NOT MAINTAIN ALTITUDE AND THE PILOT FORCED LANDED IN A SWAMP. INDICATIONS ARE THAT THE NR4 CYLINDER FASDR CA970926010Cylinder · separated(CAN) THE AIRCRAFT WAS ON DESCENT, FOR SEVERAL MINUTES, WITH REDUCED POWER, THE ENGINE BACKFIRED AND QUIT. POWER OFF LANDING CARRIED OUT ON LAKE. THE ENGINE WAS RESTARTED FOR TAXIING, BUT RAN ROUGH AND WAS SHUTDOWN. INSPECTION FOUND THE NR1 CYLINDER HEAD HAD SSDR 97ZZZX4454Cylinder · separatedHEAD SEPARATED AT DOME. SEPARATION STARTED AT 4 O'CLOCK POSITION AND 11 O'CLOCK AND PROPAGATED UNTIL TOTAL FAILURE. EXHAUST AND OIL DRAIN HELD CYLINDER ON ENGINE, 900 SMOH. SUBMITTER STATED BETTER DYE-PEN INSPECTION AT OVERHAUL WITH PARTICULAR ATTENTION TO SDR 97ZZZX4584Cylinder · crackedDURING 100-HOUR INSPECTION, EXHAUST STACK WAS REMOVED. CRACK APPROXIMATELY 1 INCH LONG WAS FOUND IN EXHAUST PORT OF NR 2 CYLINDER IN THE INBOARD WALL. THE CYLINDERS ARE CONTINENTAL CYLINDERS THAT WERE OVERHAULED 500 HOURS AGO.SDR 97ZZZX4305Valve · stickingFOUND ENGINE EXHAUST VALVE STICKING. AIRCRAFT HAD BEEN OPERATED ON AVIA GAS. VALVE REQUIRED DISSASSEMBLY, CLEANING, AND LAPPING IN. SMOH: 525 HOURS.SDR 97ZZZX4304Valve · stuckFOUND ENGINE EXHAUST VALVE STUCK. AIRCRAFT HAD BEEN RUN ON AUTO GAS. SMOH: 625 HOURS.SDR 97ZZZX4303Valve · stuckENGINE FOUND WITH EXHAUST VALVE STICKING OPEN. AIRCRAFT HAD BEEN RUN ON AUTO GAS. SMOH: 925 HOURS.SDR 97ZZZX4008Cylinder · failedAIRCRAFT WAS IN CRUISE FLIGHT WHEN ENGINE STARTED TO RUN ROUGH. ENGINE WAS SECURED AND PROPELLER FEATHERED. INVESTIGATION SHOWED THAT ROCKER ARM OR CYLINDER HEAD FAILED. CYLINDER TO BE REPLACED AND OPERATIONAL CHECK OF ENGINE DONE.SDR GXPA97015Fuel Servo · out of adjSDF - AIRCRAFT DEPARTED ON PART 135 TRIP. TOWER CONTACTED AIRCRAFT STATING BLACK SMOKE COMING FROM RIGHT ENGINE. PILOT RETURNED TO SDF AND LANDED WITHOUT INCIDENT. RIGHT ENGINE FUEL SERVO WAS FOUND OUT OF ADJUSTMENT. ADJUSTED AND ENGINE PERFORMED SATISFACTSDR 97ZZZX4184Shroud Tube · fracturedAFTER RUN-UP, OIL FILM NOTED ON LEFT SIDE OF ENGINE. OIL CAME FROM DENT IN PUSH ROD SHROUD TUBE WHICH WAS FOUND COMPLETELY FRACTURED AT DENT LOCATION. PUSH ROD HAD APPARENTLY RUBBED SHROUD AND CAUSED THE FRACTURE. DENT WAS ABOUT .0937 INCH DEEP. OTHER SHROSDR CA970923001Cylinder · failed(CAN) FACTORY NEW CYLINDER INSTALLED ON ANNUAL INSPECTION. AIRCRAFT TEST FLOWN AND PARKED. NEXT MORNING ON START UP THE ENGINE RAN ROUGH. INVESTIGATION FOUND NR4 CYLINDER INTAKE VALVE SEAT DISLODGED. NR4 CYLINDER REPLACED.SDR 97ZZZX4045Rocker Arm · excess worn605 HOURS TT ON ENGINES. EXCESSIVE WEAR BEWEEN ROCKER ARM AND FULCRUM. ONE FAILURE IN-FLIGHT. INSPECTION OF OTHER ENGINE REVEALED SAME RESULTS. REPLACED MOST OF THE ROCKER ARMS AND FULCRUMS ON AIRCRAFT. SUBMITTER RECOMMENDS INSPECTION EVERY ANNUAL OR 100 SDR 97ZZZX4044Rocker Arm · excess worn605 HOURS TT ON ENGINES. EXCESSIVE WEAR BEWEEN ROCKER ARM AND FULCRUM. ONE FAILURE IN-FLIGHT. INSPECTION OF OTHER ENGINE REVEALED SAME RESULTS. REPLACED MOST OF THE ROCKER ARMS AND FULCRUMS ON AIRCRAFT. SUBMITTER RECOMMENDS INSPECTION EVERY ANNUAL OR 100 SDR 97ZZZX3895Cylinder · scoredDURING COMPLETION OF CONTINENTAL CRITICAL SB CSB 97-10A, FOUND NR 2 CYLINDER SEVERELY SCORED DURING A BORESCOPE INSPECTION. DAMAGE COVERS 50 PERCENT OF TOTAL CYLINDER WALL AND IS BEYOND PISTON PIN WEAR AREA. HIGH AMOUNT OF ALUMINUM SHAVINGS FOUND IN OIL FILTSDR 97ZZZX4215Piston Pin · brokenOPERATORS WERE NOTIFIED AIRCRAFT'S ENGINE CONTAINED A PISTON PIN FROM THE BATCH LISTED IN LYC SB 527C. AIRCRAFT WAS REMOVED FROM SERVICE AND ALL CYLINDERS REMOVED TO VISUALLY INSPECT FOR BATCH NR 17328. CYLINDER NR 5 REVEALED BROKEN PIN. NUMERS WERE NOT CLESDR 97ZZZX3922Cylinder · crackedENGINE LOST POWER AFTER TAKEOFF. MADE FORCED LANDING INTO FIELD. SUBSTANTIAL DAMAGE TO AIRCRAFT. PILOT HAS MINOR INJURIES. INVESTIGATION HAS REVEALED THAT NR 1 CYLINDER HEAD CRACKED INTO 2 PIECES. SUBMITTER SUBMITTED SAFETY RECOMMENDATION FOR EVALUATION ASDR 97ZZZX3834Cylinder · crackedTHE TWO REPORTED ENGINES EXHIBITED FUEL STAINS ADJACENT TO THE ENGINE FUEL INJ ECTORS ON 9 OF A POSSIBLE 12 CYLINDERS. FURTHER EXAMINATION REVEALED CYLINDER HEAD CRACKS UNDER CYLINDER FINS (AT THE INTAKE PORTS) AND THROUGH THE SPARK PLUG BOSSES ON EACH OF THE SDR 97ZZZX3843Cylinder · separatedAIRCRAFT WAS IN-FLIGHT WHEN NR 1 CYLINDER BARREL SEPARATED FROM HEAD CAUSING A FORCED LANDING. NO FURTHER DAMAGE OCCURRED TO AIRCRAFT AND NO INJURIES OCCURRED DURING THIS INCIDENT. SUSPECT CAUSE WAS ATTRIBUTED TO AGE AND TIME ON CYLINDER.SDR CA970820005Cylinder · separated(CAN) NR2 ENGINE BEGAN TO RUN ROUGH IN CRUISE. ENGINE POWER REDUCED FOR DESCENT - ENGINE SHUTDOWN FOR LANDING. POST FLIGHT INSPECTION FOUND THE NR8 CYLINDER HEAD HAD SEPARATED FROM THE BARREL. CYLINDER REPLACED AND THE ENGINE WAS GROUND RUN SERVICEABLE.SDR 97ZZZX3702Cylinder · crackedWHILE C/W AD 78-08-07 (CYLINDER CRACKS), FOUND CYLINDER WALL HAS EXHAUST RESIDUE AFTER 181 HOURS IN SERVICE. 35 HOURS SINCE LAST VISUAL INSPECTION 12 MONTHS PREVIOUSLY. CYLINDER HAD ULTRA SONIC INSPECTION IN 1993.SDR CA970815010Cylinder · separated(CAN) AIRCRAFT DEVELOPED ROUGH RUNNING ON NR1 ENGINE IN CRUISE. ALL ENGINE PARAMETERS WERE NORMAL. POST FLIGHT INSPECTION FOUND THE NR1 CYLINDER SEPARATED AT THE BARREL/HEAD.SDR 97ZZZX3813Valve Seat · carboned upFOLLOWING TAKEOFF, ENGINE LOST POWER. SAFE LANDING MADE. INVESTIGATION FOUND NR 2 CYLINDER LOST POWER DUE TO VALVE SEAT CARBON BUILD-UP CAUSING COMPRESSION LOSS AND BLOWBY TO OTHER CYLINDERS.SDR CA970822006Cylinder · cracked(CAN) NR2 CYLINDER FOUND CRACKED ON 100 HOUR INSPECTION.SDR 97ZZZX4212Cover Plate · displacedENGINE BEGAN TO RUN ROUGH IN FLIGHT, PRECAUTIONARY LANDING. FOUND INTAKE ROCKER SHAFT ON NR 1 CYLINDER HAD MOVED OUT OF POSITION DUE TO LOSS OF COVER PLATE, 7510. CAUSE OF COVER PLATE LOSS UNDETERMINED. SUBMITTER RECOMMENDS PERIODICAL RE-CHECK OF COVER PLATSDR CA970904018Cylinder · cracked(CAN) NR1 CYLINDER SEPARATED BETWEEN THE TOP OF BARREL AND CYLINDER HEAD AT NR3 FIN ON THE HEAD AND CRACKED BETWEEN FRONT AND REAR SPARK PLUGS.SDR CA970811007Plug Piston Pin · worn(CAN) PISTON PIN PLUG IN NR2 CYLINDER CAME LOOSE AND CAUSED WEAR ON THE CYLINDER WALL. METAL WAS FOUND IN THE OIL FILTER. ALL CYLINDERS WERE REMOVED FOR INSPECTION.SDR 97ZZZX3844Seal · failedNUMEROUS PILOT LOG BOOK REPORTS OF A ROUGH RUNNING ENGINE. ATTEMPTS TO CORRECT BY REPLACING SPARK PLUGS, LEADS, FUEL FILTER, ETC., DID NOT CORRECT PROBLEM. INVESTIGATION DISCLOSED THAT BOTH SPARK PLUGS IN NR 3 CYLINDER WERE OIL SOAKED. IT APPEARED THE EXHAUSDR 97ZZZX3883Valve Seat · failedINTAKE VALVE SEAT DROPPED OUT OF CYLINDER HEAD. NO DAMAGE TO ENGINE. PARTIAL LOSS OF POWER.
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