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.

SDR 20000615SH008Plug · deterioratedFOUND IN BOTH ENGINES DURING ANNUAL WHILE PERFORMING LYC 400-HOUR ROCKER ARM INSP, SEVERAL OF THE ROCKER SHAFT THRUST BUTTONS WERE FOUND DETERIORATING. A COUPLE OF THEM WERE FOUND BROKEN OFF AND OUT OF THE ROCKER SHAFT. THE OIL SCREEN WAS FOUND TO CONTAIN SOJun 5, 2000 · N17WE · Piper PA23250SDR CA000928017Cylinder · cracked(CAN) AFTER TAKEOFF, PILOT HAD VIBRATION IN ENGINE. RETURNED TO AIRPORT, MAINTENANCE FOUND NR 2 CYLINDER CRACKED AT SPARK PLUG HOLE TO EXHAUST VALVE. CRACK APPROXIMATELY 5 INCHES LONG. CYLINDER REPLACED WITH NEW CONTINENTAL CYCLES AND RETURN TO SERVICE. (XJun 4, 2000 · Beech A45SDR AU000484Pipe · corroded(AUS) RIGHT ENGINE NR 5 CYLINDER ROCKER COVER OIL DRAIN PIPE HOLED DUE TO CORROSION. LOSS OF ENGINE OIL.Jun 2, 2000 · Bnorm BN2A20SDR NACA200000007Cylinder · crackedNR 3 ENGINE, PRECAUTIONARY SHUTDOWN DUE TO BACKFIRING IN CRUISE AT 2336Z. REPLACED CYLINDER ASSY.Jun 1, 2000 · N2907F · Doug DC6ASDR CA000614025Cylinder · cracked(CAN) CRACK BETWEEN SPARK PLUG AND EXHAUST PORT.May 26, 2000 · Cessna A185FSDR CA000714038Pushrod · bent(CAN) CREW EXPERIENCED ROUGH RUNNING ENGINE (RT) WHILE ON APPROACH. CREW POWERED BACK, LANDING WITHOUT FURTHER INCIDENT. UPON INVESTIGATION BY MAINTENANCE, IT WAS DISCOVERED THAT 2 NUTS HAD BACKED OFF ON THE COVER PLATE FOR THE ROCKER PIN CAUSING THE PLATE TMay 25, 2000 · Piper PA34200SDR AU000421Cylinder · failed(AUS) LEFT ENGINE NR 6 CYLINDER FAILED AND SEPARATED. CRANKCASE HOLED IN AREA OF NR 6 CYLINDER.May 24, 2000 · Gulstm 500SSDR 20000707SH001Pipe · crackedDISCOVERED HEAVY STAIN AT FLANGE END OF INDUCTION TUBE DURING ROUTINE OIL CHANGE. REMOVED FLANGE RETAINER AND FOUND PIPE CRACKED APPROXIMATELY ONE-HALF DIAMETER. CONTINENTAL HAS RECENTLY ISSUED SB 98-8 WHICH RECOMMENDED REPLACEMENT OF ONE-PIECE PIPES FOR CYLMay 23, 2000 · N48LW · Mooney M20KSDR NACA200000009Cylinder · crackedFEATHERED NR 2 ENGINE AT 1652Z AFTER IT BACKFIRED AND QUIT ON FINAL APPROACH. REPLACED NR 18 CYLINDER ASSEMBLY.May 23, 2000 · N779TA · Doug DC6ASDR 20000920SH010Intake Valve · fracturedDURING FLIGHT, ENGINE BEGAN TO RUN ROUGH. PILOT POWERED BACK AND MADE PRECAUTIONARY LANDING. INSPECTION REVEALED FAILURE OF THE VALVE STEM ON NR 2 CYLINDER INTAKE VALVE. THE FRACTURE IS LOCATED APPROXIMATELY .6250 INCH FROM THE TOP OF THE VALVE STEM NEAR THMay 12, 2000 · N5633V · Piper PA32R300SDR 20000831SH003Intake Valve · fracturedDURING FLIGHT, ENGINE BEGAN TO RUN ROUGH. PILOT POWERED BACK AND MADE PRECAUTIONARY LANDING. INSPECTION REVEALED FAILURE OF THE VALVE STEM ON NR 2 CYLINDER INTAKE VALVE. THE FRACTURE IS LOCATED APPROXIMATELY .6250 INCH FROM THE TOP OF THE VALVE STEM NEAR THMay 12, 2000 · N5633V · Piper PA32R300SDR 20010228CW009Cylinder · brokenLEFT ENGINE WAS SHUT DOWN IN CRUISE FLIGHT AFTER A MODERATE VIBARATION WAS NOTED. POST FLIGHT INSPECTION REVEALED THAT NR2 CYLINDER/LT ENGINE/ EXHAUST ROCKER ARM PIVOT STUD HAD BROKEN CAUSING ROCKER ARM TO COME OFF. EXHAUST ROCKER ARM JAMMED THE INTAKE ROCKEMay 6, 2000 · N8295C · Piper PA44180TSDR 20000622SH028Seat · misalignedANNUAL INSPECTION FOUND NO COMPRESSION ON NR 1 CYLINDER. REMOVED CYLINDER, SENT FOR REPAIR. FOUND INTAKE VALVE SEAT INSTALLED WRONG (AT ANGLE) HAD BENT INTAKE VALVE. ALSO, ENGINE HAD NOT BEEN DE-SLUDGED AT OVERHAUL CAUSING PITS. FOUND AT AD INSPECTION AFTEMay 6, 2000 · N5437L · Amrgen AA5SDR 20000530SH010Cylinder · separatedAGC - LEFT ENGINE NR 2 CYLINDER SEPARATED FROM ENGINE. CAUSE UNKNOWN AT THIS TIME. (X)May 5, 2000 · N525AA · Piper PA31350SDR NACA200000005Cylinder Head · crackedNR 1 ENGINE, BMEP LOSS, SHAKING. SHUT DOWN AT 02:45Z. REPLACED NR 2 CYLINDER ASSEMBLY.May 4, 2000 · N1036F · Doug DC6ASDR 20000609SH013Cylinder Head · crackedUPON CLIMB-OUT AFTER TAKEOFF, PILOT REPORTED ROUGH RUNNING ENGINE AND A LOSS OF POWER. PILOT STARTED TURNING BACK FOR AIRPORT AND DECIDED NOT ENOUGH POWER AND LANDED SAFELY IN A FARMER''S FIELD. DISCOVERED, NR 7 CYLINDER HEAD CRACKED FROM ONE SPARK PLUG HOLEMay 4, 2000 · N357AS · Dhav DHC3SDR 20000531SH022Cylinder · separatedAT ANNUAL INSPECTION, FOUND SIGNS OF SEEPAGE AT BARREL (INDICATIONS OF BARREL SEPARATING FROM HEAD) IN NR 4, NR 5, NR 6 CYLINDERS. POSSIBLE CAUSE IS AGE ON CYLINDERS AND TIME IN SERVICE. (X)May 4, 2000 · N7382B · Beech E35SDR 20000531SH021Cylinder · brokenOWNER STATED ENGINE BEGAN RUNNING ROUGH. DEVIATED TO NEAREST AIRPORT. HAD TO KEEP PUMPING THROTTLE TO MAINTAIN ENGINE RUNNING. MADE PRECAUTIONARY LANDING AT AIRPORT. UPON COLD CYLINDER CHECK, REMOVED CYLINDER ROCKER BOSS COVER. PIN AND BOSSES FELL OUT. NMay 4, 2000 · N563G · Cessna 150HSDR CA000518001Connecting Rod · broken(CAN) CONNECTING RODS FOR NR 8 AND NR 9 CYLINDERS BROKEN.May 3, 2000 · Grumav G21ASDR AU000469Cylinder · corroded(AUS) ENGINE SEIZED. CYLINDERS AND PISTON RINGS RUSTED. SURFACE CORROSION EVIDENT ON CAM FOLLOWERS AND CONNECTING RODS. AIRCRAFT HAD RECENTLY UNDERGONE FUEL DECONTAMINATION. (X)May 2, 2000 · Cessna 152SDR 20000523SH029Cylinder · separatedSJU/FDO - ON CRUISE FLIGHT, LEFT ENGINE STARTED TO VIBRATE. ENGINE SHUT DOWN WAS ACCOMPLISHED AND LANDED IN FAJADO. INSPECTION REVEALED NR 4 CYLINDER FOUND SEPARATED FROM ENGINE. ENGINE REPLACED. (X)May 1, 2000 · N678TA · Bnorm BN2A26SDR 20000515SH008Spring · brokenPUSH ROD RETAINER SPRING, PN LW-14995, BROKEN. PART INSTALLED FROM KIT MFG AFTER DATES LISTED IN LYC SB 519. (X)Apr 25, 2000SDR AU000849Exhaust Valve · seized(AUS) NR 4 CYLINDER EXHAUST VALVE STUCK IN VALVE GUIDE. (X)Apr 23, 2000 · Cessna 172DSDR 20000516SH011Guide · failedEXHAUST VALVE STUCK, BENDING PUSH ROD AND HOUSING. SEE LYC SI 1425H, 1485. SB388B. FOUND 3 OTHER CYLINDERS WITH STUCK VALVES. SUBMITTER SUGGESTED AD BE ISSUED. (X)Apr 19, 2000 · N7267H · Cessna 182SSDR CA000511044Stud · broken(CAN) INTAKE ROCKER STUD FOUND BROKEN ON #3 CYLINDER. CYLINDER SENT FOR EVALUATION WHERE IT WAS DETERMINED THAT STRESS TO THE THREADED PORTION OF THE STUD WAS THE CAUSE OF ITS FAILURE.Apr 18, 2000 · Piper PA44180SDR AU000249Piston · damaged(AUS) NR 3 AND NR 4 PISTONS GRABBING IN CYLINDER BORES. FOUR OF SIX CYLINDER BORES UNDERSIZE. SB97-6 AND SIL99-2 NOT COMPLIED WITH.Apr 14, 2000SDR AU000259Piston · failed(AUS) NR 2 CYLINDER PISTON HOLED.Apr 7, 2000 · Cessna 402CSDR 20000505SH027Cylinder · brokenEXHAUST VALVE BROKE ON FINAL APPROACH. (X)Apr 7, 2000 · N4350G · Piper PA28181SDR 20000505SH026Cylinder · crackedFOUND ZERO COMPRESSION ON ROUGH RUNNING ENGINE. FOUND CRACK FROM TOP SPARK PLUG AROUND OUTSIDE OF EXHAUST SEAT TO BOTTOM SPARK PLUG. (X)Apr 7, 2000 · N4381L · Piper PA28161SDR 20000505SH025Cylinder · crackedFOUND ZERO COMPRESSION ON ROUGH RUNNING ENGINE. FOUND CRACK FROM TOP SPARK PLUG AROUND OUTSIDE OF EXHAUST SEAT TO BOTTOM SPARK PLUG. (X)Apr 7, 2000 · N4381L · Piper PA28161SDR 20000505SH023Valve Guide · wornVERY LOW COMPRESSION NOTED IN THE NR 3 CYL ON RT ENGINE DURING ANNUAL INSP. THE CYL REMOVED AND INSPECTED. THE EXHAUST VALVE GUIDE WAS WORN TO THE POINT WHERE THE VALVE COULD NOT SEAT PROPERLY. CYL REQUIRED BOTH VALVES AND VALVE GUIDES TO BE REPLACED. RE-ASApr 5, 2000 · N310HD · Cessna T310RSDR 20000505SH005Pushrod · bentNR 6 EXHAUST PUSHROD BENT, BROKEN AND WORN HALFWAY THRU FROM RUBBING ON INSIDE OF THE PUSHROD HOUSING. NR 6 INTAKE PUSHROD BROKEN IN TWO. CYL HAS 190 HRS SINCE NEW AND BOTH VALVES MOVED FREELY IN GUIDES. NR 6 CONNECTING ROD FOUND VISIBLY BENT. INTAKE MANIFApr 5, 2000 · Beech 95A55SDR CA000427002Cylinder · cracked(CAN) CYLINDER FOUND SEPARATED BETWEEN HEAD AND BARREL. AD 78-08-07 COMPLIED WITH AT OVERHAUL 63 HOURS PREVIOUSLY.Apr 3, 2000 · Dhav DHC2*SDR AU000226Exhaust Valve · broken(AUS) NR 2 CYLINDER EXHAUST VALVE FAILED. NR 2 CYLINDER AND SPARK PLUGS DAMAGED. A FRAGMENT OF THE FAILED EXHAUST VALVE WAS INGESTED BY NR 3 CYLINDER CAUSING INTERNAL DAMAGE.Mar 27, 2000 · Piper PA28180SDR 20000508SH005Rocker Boss · failedVALVE ROCKER RETAINING STUD, PN 31-16, SHEARED FLUSH WITH THE CYL HEAD SURFACE. THIS CAUSED PARTS TO MOVE AROUND AT RANDOM IN THE HEAD. IT IS SUSPECTED THESE LOOSE PARTS INTERFERRED WITH OPER OF INTAKE VALVE MECHANISM CAUSING THE INTAKE PUSH ROD TO BEND, CREMar 24, 2000 · N75958 · Cessna 172NSDR 20000829SH008Cylinder · unserviceableDURING A 100-HOUR INSPECTION, ALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER. SUBMITTER STATED THIS 5TH TIME THIS SHOP HAS HAD THIS PROBLEM IN THE LAST 18-24 MONTHS). ALUMINUM IS FROM PISTON PIN PLUGS RUBBING AGAINST THE LOWER PART OF THE CYLINDER WHICH, AFTMar 22, 2000 · N69186 · Cessna 152SDR 20000516SH005Cylinder · making metalDURING 100-HR INSP, ALUMINIM SHAVING FOUND IN OIL FILTER. (THIS IS THE 4TH TIME THIS SHOP HAS HAD THIS PROBLEM IN LAST 18-24 MOS). ALUM IS FROM PISTON PIN PLUGS RUBBING AGAINST LOWER PART OF CYL WHICH, AFTER 4-500 HRS, DEVELOPS SEVERE PITTING THEN CREATES AMar 22, 2000 · N69186 · Cessna 152SDR 20000417SH018Rocker · brokenPILOT REPORTED A REDUCTION IN POWER. AFTER INVESTIGATING, THE ROCKER ARM HAD BROKEN AT THE CENTER. THIS IS THE OLD TYPE WHICH DOES NOT HAVE AS MUCH MATERIAL AS THE NEW TYPE. (X)Mar 17, 2000 · N84729 · Bbavia 7ACSDR AU000148Cylinder · broken(AUS) NR 2 CYLINDER EXHAUST VALVE ROCKER BOSS BROKEN.Mar 11, 2000 · Cessna 182PSDR 20000404SH002Guide · wornEXCESSIVE WEAR FOUND DURING COMPRESSION TEST. EXHAUST VALVE WAS LEAKING. EX GUIDE MEASURED .4384 INCH AT THE TOP AND .4624 INCH AT THE BOTTOM. EX VALVE MEASURED .4337 INCH AT THE TOP OF THE STEM AND .4263 INCH AT APPROX 2 INCHES FROM THE BOTTOM OF THE VALVEMar 8, 2000 · N9606E · Blanca 1730ASDR 20000404SH001Exhaust Valve · wornEXCESSIVE WEAR FOUND DURING COMPRESSION TEST. EXHAUST VALVE WAS LEAKING. EX GUIDE MEASURED .4384 INCH AT THE TOP AND .4624 INCH AT THE BOTTOM. EX VALVE MEASURED .4337 INCH AT THE TOP OF THE STEM AND .4263 INCH AT APPROX 2 INCHES FROM THE BOTTOM OF THE VALVEMar 8, 2000 · N9606E · Blanca 1730ASDR AU000214Exhaust Valve · seized(AUS) NR 4 CYLINDER EXHAUST VALVE SEIZED.Mar 7, 2000 · Cessna 150MSDR CA000307012Rod Bolt · broken(CAN) BROKEN ROD BOLT IN NR 5 CYLINDER.Mar 7, 2000 · Maule M5235CSDR CA000306020Cylinder · cracked(CAN) CYLINDER CRACKED AT INTAKE PORT NR 5 CYLINDER.Mar 6, 2000 · Cessna U206FSDR CA000306014Stud · sheared(CAN) HOLD DOWN STUD SHEARED ALLOWING HEAD TO SHIFT FROM BARREL.Mar 6, 2000 · Diamon DA20A1SDR CA000306012Cylinder · cracked(CAN) EXHAUST PORT CRACK VISIBLE ON OUTSIDE OF CYLINDER.Mar 6, 2000 · Cessna U206FSDR 20000403SH002Stud · failedDURING NORMAL ENGINE OPERATION, NOTICED OIL LEAK ON FRONT OF ENGINE. AFTER CLEANING AND INSPECTION, FOUND THE FRONT THROUGH-STUD BROKEN. POSSIBLE CAUSE COULD BE IMPROPER HARDENING OF THE BOLT. (X)Mar 6, 2000 · N421LH · Cessna 421CSDR 20000331SH025Stud · failedDURING INSPECTION OF OIL LEAK, FOUND NR 5 CYLINDER BASE FRONT LOWER MOUNT STUD BROKEN. POSSIBLY, THE STUD WAS HARD AND BROKE UNDER STRESS. (X)Mar 6, 2000 · N421CH · Cessna 421SDR 20000516SH004Piston · making metalWHILE PERFORMING ANNUAL INSP, SMALL ALUMINUM PARTICLES FOUND IN OIL FILTER. BORESCOPE INSP REVEALED WEAR ON CYL WALLS AND PITTING AT BASE OF EACH CYL (INSIDE) AT THE POINT OF THE PISTONS FARTHEST TRAVEL DOWNWARD. TWO OF THE CYL WERE FACTORY NEW WITH 618 HRS SMar 2, 2000 · N757NZ · Cessna 152SDR 20000516SH003Plug · making metalWHILE PERFORMING ANNUAL INSP, ALUMINUM SHAVINGS FOUND IN OIL FILTER. FILTER WAS SENT TO LYC FOR ANALYSIS AND DETERMINED TO BE PISTON PIN PLUG MATERIALS. UPON REMOVAL OF ALL 4 CYL, SEVERE PITTING FOUND AT BOTTOM OF EACH CYL WHICH AT POINT WHERE PISTON REACHEMar 2, 2000 · N95512 · Cessna 152
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