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 20000329SH045Cylinder · damagedWHILE PERFORMING ANNUAL INSP, SMALL ALUMINUM PARTICLES WERE FOUND IN THE OIL FILTER. A BORESCOPE INSP REVEALED WEAR ON CYLINDER WALLS AND PITTING AT THE BASE OF EACH CYL (INSIDE) AT THE POINT OF THE PISTON''S FARTHEST TRAVEL DOWNWARDS. TWO OF THE CYL''S WEREMar 2, 2000 · N757NZ · Cessna 152SDR 20000329SH044Cylinder · damagedWHILE PERFORMING ANNUAL INSP, ALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER. FILTER SENT TO LYC FOR ANALYSIS AND DETERMINED TO BE PISTON PIN PLUG MATERIAL. UPON REMOVAL OF ALL 4 CYLINDERS, SEVERE PITTING FOUND AT BOTTOM OF EACH CYL WALL AT THE POINT WHERE PMar 2, 2000 · N95512 · Cessna 152SDR CA000606014Cylinder · failed(CAN) AIRCRAFT IN-FLIGHT, OVER LETHBRIDGE CLIMB-OUT. BIG BANG, NR 2 CYLINDER EXITED LEFT COWL, OIL ALL OVER. PILOT LANDED AIRCRAFT AT LETHBRIDGE. ENGINE MADE ENOUGH POWER TO GET AIRCRAFT TO AIRPORT. CYLINDER NOT FOUND. SMALL PART OF PISTON, RINGS, HYDRAULFeb 28, 2000 · Cessna 172PSDR 20000413SH054Cylinder · damagedPILOT REPORTED ROUGH RUNNING ENGINE AND LOW RPM. MAINTENANCE FOUND NR 4 CYLINDER HAD EXHAUST VALVE STUCK OPEN, NR 4 CYLINDER PUSH ROD AND HOUSING WERE BENT WITH NO OIL LEAKAGE. THE PISTON WAS NOT DAMAGED AND NO METAL FOUND IN THE ENGINE OIL FILTER. (X)Feb 28, 2000 · N9621V · Cessna 172MSDR 20000719SH013Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0020 INCH. (X)Feb 27, 2000SDR CA000301021Crankcase · cracked(CAN) ENGINE CASE FOUND CRACKED AROUND THE HOLD DOWN STUDS ON THE NR 2 CYLINDER AND NR 2 EXHAUST BROKE AWAY.Feb 21, 2000 · Cessna 310RSDR 20000407SH001Cylinder · wornDURING A ROUTINE COMPRESSION CHECK, THE NR 3 CYLINDER WAS FOUND TO HAVE EXCESSIVE LEAKAGE 53/80 PAST THE PISTON RINGS. THE REMOVED CYLINDER WAS FOUND WORN OUT AT THE TOP OF THE CYLINDER. (X)Feb 21, 2000 · N952CC · Cessna 182PSDR AU000182Piston · cracked(AUS) PISTON CRACKED FROM GUDGEON PIN HOLE, THROUGH THE RING LANDS TO THE CENTRE OF THE PISTON CROWN.Feb 20, 2000 · Dhav DHC2*SDR AU000093Cylinder · cracked(AUS) NR 4 CYLINDER CRACKED FROM LOWER SPARK PLUG HOLE TO EXHAUST PORT.Feb 19, 2000 · Cessna 172PSDR 20000719SH012Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0018 INCH. (X)Feb 17, 2000SDR 20000719SH011Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0016 INCH. (X)Feb 17, 2000SDR 20000719SH010Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0015 INCH. (X)Feb 17, 2000SDR 20000719SH009Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0016 INCH. (X)Feb 17, 2000SDR 20000719SH008Guide · inaccurateINTAKE GUIDE VARIANCE, 0.0020 INCH. (X)Feb 17, 2000SDR 20000417SH012Pushrod · misinstalledENGINE VALVE PUSH RODS AND ROCKER ARMS WERE REVERSED DURING INSTALLATION ON THE NR 5 CYLINDER. SINCE THE INTAKE ROD IS LONGER AND ENGINE HAS SOLID TAPPETS, THE PUSH ROD ON THE EXHAUST SIDE BENT, AND THE ROCKER ARM BROKE RESULTING IN ENGINE FAILURE. ENGINE OPFeb 14, 2000 · N23043 · Airtrc AT301SDR CA000218004Cylinder · cracked(CAN) CYLINDERS FOUND CRACKED DURING 100-HOUR CHECK.Feb 10, 2000 · Cessna 150FSDR 2000ZZZX619Exhaust Valve · stuckAIRCRAFT LOST POWER WHEN PERFORMING 'TOUGH AND GOES'. AIRCRAFT LANDED APPROXIMATELY 150 FEET FROM THE END OF THE RUNWAY. AN INVESTIGATION HAS DETERMINED THE MOST POSSIBLE CAUSE OF THE ENGINE'S POWER LOSS WAS AN EXHAUST VALVE THAT WAS INTERMITTENTLY STUCK 'OPFeb 10, 2000 · N11567 · Cessna 150LSDR 20000328SH020Retainer Seal · damagedDURING ANNUAL INSPECTION, DISCOVERED NR 1 CYLINDER EXHAUST PUSH ROD TUBE SEAL AREA AT CASE HALF RETAINER PROTRUDING AT AN ANGLE. REMOVED NR 1 EXHAUST PUSH ROD, FOUND LIFTER BODY CRACKED, AND BROKEN. LIFTER WILL NOT COME OUT. SUBMITTER SUSPECTED CAUSE WAS STFeb 8, 2000 · N3935H · Mooney M20JSDR 2000ZZZX629Retainer Cup · brokenON ANNUAL INSPECTION, ROCKER COVERS REMOVED FOR GASKET LEAKS. FOUND PUSH ROD RETAINERS ON NR 1 AND NR 2 CYLINDERS BROKEN. THESE WERE SUPERIOR MILLENIUM CYLINDERS WITH 346 HRS SINCE NEW. SUBMITTER STATED PROBLEM IS BELIEVED TO BE INSUFFICIENT SURFACE AREA FOFeb 8, 2000 · N3659R · Piper PA28180SDR AU000074Valve Seat · loose(AUS) LEFT ENGINE NR 5 CYLINDER EXHAUST VALVE SEAT SEPARATED FROM CYLINDER HEAD.Feb 5, 2000 · Piper PA31350SDR 20000518SH014Shroud · crackedDISCOVERED OIL LEAK IN ENGINE COMPARTMENT COMING FROM RIGHT SIDE PUSH ROD TUBE SHROUD ON NR 5 CYLINDER ASSEMBLY. ON FURTHER INSPECTION, TUBE WAS FOUND CRACKED APPROXIMATELY ONE INCH DIAGONALLY THEN EXTENDING AROUND THE CIRCUMFERENCE OF THE TUBE (APPROX HALF WFeb 1, 2000 · N7281M · Cessna 206HSDR 20000331SH023Stud · brokenNEW REBUILT ENGINE PURCHASED FROM CONTINENTAL. 10.6 HOURS AFTER INSTALLATION, NR 4 CYLINDER, NR 2 AND NR 3 CYLINDER MOUNTING STUDS BROKE. NR 5 AND NR 6 MISSING NUTS. (TORQUE WAS CHECKED ON ALL OTHER CYLINDERS AND FOUND OK). SAME ENGINE UPON INSTALLATION RJan 20, 2000 · N42RH · Cessna 182QSDR AU000038Cylinder · cracked(AUS) NR 4 CYLINDER CRACKED AROUND THE CYLINDER BASE FOR APPROXIMATELY 66 PERCENT OF THE CIRCUMFERENCE.Jan 19, 2000 · Grob G115SDR 2000ZZZX265Cylinder · mismanufacturedPORT DOES NOT ALIGN WITH EXHAUST GASKET. ON RECEIPT OF CYLINDERS, THEY ARE CHECKED FOR CONFORMITY. ONE OF THE CHECKS IS PLACING A GASKET ON THE EXHAUST STUDS TO CHECK FOR CONCENTRICITY WITH THE PORT. ANOTHER CHECK IS TO SEE IF THE CYLINDER HEAD TEMPERATURE DJan 14, 2000SDR CA991229054Valve Guide · damaged(CAN) HIGH OIL CONSUMPTION - EXCESS OIL BEING SUCKED PASSED INTAKE VALVE GUIDE.Jan 7, 2000 · Cessna U206ESDR AU000017Cylinder · separated(AUS) LEFT ENGINE CYLINDER SEPARATED. COWLS DAMAGED.Jan 7, 2000 · Piper PA31350SDR 2000ZZZX576Cylinder · separatedBGM - RIGHT ENGINE, NR 2 CYLINDER, SEPARATED. SUBMITTER STATED CAUSE UNKNOWN AT THIS TIME. WILL REMOVE AND REPLACE ENGINE, FLUSH PROPELLER, AND PROPELLER GOVERNOR BEFORE FLIGHT.Jan 7, 2000 · N6892R · Piper PA60600SDR 2000ZZZX171Cylinder · crackedCYLINDER CRACKED AND SEPARATED CAUSING CATASTROPHIC ENGINE FAILURE. P/N CCST 12 CA AEL65102-12.Dec 28, 1999 · N8315W · Piper PA28180SDR CA991230039Exhaust Valve · stuck(CAN) NR 3 CYLINDER LOW COMPRESSION THE EXHAUST VALVE WAS FOUND TO BE PARTIALLY STUCK AND BURNED.Dec 18, 1999 · Cessna 150MSDR CA000128042Cylinder · cracked(CAN) CYLINDER FOUND CRACKED AT UPPER SPARK PLUG HOLE MOVING FWD PAST THE INBRD SIDE OF THE INJECTOR HOLE.Dec 14, 1999 · Cessna U206DSDR AU000128042Cylinder · cracked(AU) CYLINDER FOUND CRACKED AT UPPER SPARK PLUG HOLE MOVING FORWARD PAST THE INBOARD SIDE OF THE INJECTOR HOLE.Dec 14, 1999 · Cessna U206DSDR 2000ZZZX381Cylinder · damagedALB - LEFT ENGINE OIL PRESSURE, DROPPED TO REDLINE IN CRUISE AND OIL TEMP WENT TO REDLINE. REMOVED AND REPLACED NR 2 CYLINDER ASSY FOR BLOW-BYE AND LOW COMPRESSION.Dec 12, 1999 · N3645T · Piper PA60600SDR 99ZZZX4680Cylinder · wornDURING A ROUTINE COMPRESSION CHECK, THE NR 3 CYLINDER WAS FOUND LEAKING EXCESSIVELY PAST THE INTAKE VALVE. THE EXHAUST VALVE AND PISTON RINGS WERE REMOVED. CYLINDER WAS FOUND TO HAVE A DEFORMED INTAKE VALVE FACE, A WORN OUT EXHAUST VALVE, AND GUIDE AND NO CHDec 7, 1999 · N953CC · Cessna 182PSDR CA000118052Stud · broken(CAN) CYLINDER STUDS FAILED. STUDS WERE REINSTALLED AFTER PREVIOUS CYLINDER REPLACEMENT. AT INSTALLATION NO DEFECTS WERE NOTED ON REUSED STUDS.Dec 6, 1999 · Piper PA31350SDR 99ZZZX4548Cylinder · wornAT 303.67 HOURS, THESE CYLINDERS HAD WORN OUT BORES AND EXHAUST VALVE GUIDES WORN BEYOND SERVICEABLE LIMITS. THE ENGINE WAS FACTORY REBUILT/ZERO TIMED 1995.Dec 2, 1999 · N6624B · Beech F33ASDR 20000508SH011Cylinder · crackedTHE ENGINE WAS TOPPED WITH 6 ENGINE COMPONENTS INC CERMINIL CYLINDERS. AFTER 29 HOURS OF OPERATION, ENGINE RAN ROUGH AND WAS LOSING OIL. PILOT WAS ABLE TO FIND A PRIVATE STREET AND LANDED SAFELY. IT WAS DETERMINED THAT NR 4 CYLINDER WAS CRACKED .8750 INCH ADec 1, 1999 · N759JH · Cessna 182QSDR 99ZZZX4693Rocker Arm · failedNR 6 CYLINDER EXHAUST ROCKER ARM FAILED ON TAKEOFF, INBOARD SECTION CRACKED AT PUSHROD END OIL FEED HOLE AND APPROXIMATELY 180 DEGREES FROM THAT HOLE. PART IS MAGNETIZED.Dec 1, 1999 · N7452A · Cessna 172SDR 99ZZZX4684Rod · failedPILOT REPORTED LOSS OF OIL PRESSURE. THIS WAS FOLLOWED BY ABNORMAL ENGINE SOUNDS. UPON INSPECTION, THE ENGINE TURNED FREELY, THE CABLE WAS FOUND CRACKED ABOVE THE NR 4 CYLINDER. CRACK APPEARS TO HAVE BEEN CAUSED BY A BROKEN CONNECTING ROD.Nov 29, 1999 · N76470 · Cessna 120SDR 99ZZZX4607Valve Seat · separatedDURING FLIGHT, PILOT/OWNER HAD A LOSS OF POWER AND ENGINE RAN ROUGH. PILOT RETURNED TO AIRPORT WITH ENGINE PRODUCING REDUCED POWER. UPON INSPECTION MAINTENANCE FOUND THE INTAKE VALVE SEAT HAD COME LOOSE FROM CYLINDER. THE ENGINE HAD RECENTLY HAD A TOP OVERHNov 28, 1999 · N175VC · Cessna 175BSDR CA991231065Bolt · failed(CAN) HEAD OF CONNECTING ROD BOLT FOUND IN SUM AFTER TEST RUN. ALL OTHER BOLTS WERE FOUND TO HAVE PROPER TORQUE. ALL BOLTS REPLACED.Nov 26, 1999SDR CA000120036Piston · broken(CAN) NO INDICATION AT COMPRESSION TEST OR IN OIL FILTER BUT OIL WOULD NOT DRAINFROM THE SUCTION SCREEN. PIECES OF PISTON SKIRT FOUND WHEN SUMP REMOVED.Nov 25, 1999 · Piper PA30SDR CA991210021Rocker · broken(CAN) ROCKER WAS FOUND BROKEN, ALL WERE REPLACED DUE TO EXCESSIVE WARE OR PRECAUTION.Nov 25, 1999 · Piper PA44180SDR 99ZZZX4519Valve Seat · separatedTHE EXHAUST VALVE SEAT WAS FOUND TO HAVE COME OUT FOLLOWING THE ENGINE TEST STAND RUN AND PRIOR TO THE INITIAL INSTALLATION RUN ON THE AIRCRAFT. A 'RATTLE' WAS NOTED AS THE ENGINE WAS TURNED THROUGH BY HAND. THE CYLINDER OVERHAUL SHOP HAS BEEN ALERTED AND OTNov 22, 1999 · Helio H295SDR CA991116009Piston Plug · damaged(CAN) METAL FLAKING OFF PISTON PIN PLUG. SIL 1267C ADDRESSES THIS ISSUE. NEW PART 72198.Nov 9, 1999 · Cessna 172NSDR 99ZZZX4386Cylinder · wornDURING A ROUTINE 100-HOUR INSPECTION, EXCESSIVE LEAKAGE WAS FOUND GOING PAST THE PISTON RINGS ON THE NR 1 CYLINDER. THE REMOVED CYLINDER IS FOUND TO BE WORN OUT AND HAD A NEGATIVE CHOICE.Nov 9, 1999 · N952CC · Cessna 182PSDR CA991116028Stud · failed(CAN) ITEM SENT FOR TRANSLATION./ STUDS FOUND BROKEN ON NR 3 CYLINDER, WITH CYLINDER BACKED OFF.Nov 4, 1999 · Piper PA34200SDR CA991208062Cylinder · separated(CAN) ROUGH ENGINE ON TAKEOFF EXPERIENCED. INSPECTION REVEALED NR 2 CYLINDER SEPARATED AND CRACKED FROM EXHAUST PORT THROUGH BOTH SPARK PLUGS AND COOLING FINS.Nov 4, 1999 · Cessna A185FSDR 99ZZZX4388Cylinder · wornDURING A ROUTINE 100-HOUR INSPECTION, EXCESSIVE LEAKAGE IS FOUND GOING PAST THE PISTON RINGS ON THE NR 6 CYLINDER. THE TOP TWO PISTON RING GAPS ARE FOUND ALIGNED AND THERE IS A NEGATIVE CHOKE IN THE CYLINDER.Nov 2, 1999 · N954CC · Cessna 182QSDR 99ZZZX4414Guide · failedNR 5 EXHAUST VALVE GUIDE FAILED AND ALLOWED CRANKCASE PRESSURE TO BLOW OIL OUT THE BREATHER. VALVE GUIDE PARTICLES DAMAGED TURBO. CHANGED CYLINDER AND TURBO. ENGINE CONVERTED TO 1,600 TBO BY STC 09059SC AT WESTERN SKYWAYS.Oct 29, 1999 · N420GC · Cessna 421BSDR 20000515SH012Exhaust Valve · damagedENGINE HAD ERRATIC IDLE AND WAS GETTING WORSE. W.O.T. POWER NORMAL. STARTED ENGINE COLD AND FOUND NR 4 EXHAUST COLD. CHECKED LIFTER DROP CLEARANCE, FOUND IT WAS ZERO AND EXHAUST VALVE SUNK IN SEAT. REMOVED CYLINDER, FOUND BROKEN KEEPERS, WORN KEEPERS GROOVOct 28, 1999 · N13818 · Cessna 172M
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