JASC 8530

Service difficulty reports · 4,341

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 CA030922004Stud · broken(CAN) DURING 100 HR. INSPECTION THE NR 2 ENGINE COWL WAS REMOVED. WHEN THE COWL WAS LOWERED TWO NUTS WITH HALF THE STUDS FELL OUT ONE 3/8 INCH AND ONE 1/2 INCH. AFTER FURTHER INSPECTION IT WAS NOTICED THAT THE NR 2 CYL HOLD DOWN STUDS ON THE LOWER HALF OF THE Sep 22, 2003 · Piper PA31350SDR CA040504007Cylinder · crackedCYLINDER WAS CRACKED FROM SPARK PLUG HOLE TO SPARK PLUG HOLE ON THE EXHAUST SIDE. THE CRACK HAD OPENED UP TO A SIGNIFICANT SIZE HOLE MAKING THE EXHAUST VALVE VISIBLE FROM BETWEEN THE FINS. THE LEAKING EXHAUST GASES HAD BURNED AWAY A PORTION OF THE FINS AROUNSep 19, 2003 · Dhav DHC3SDR 2003FA0001119Exhaust Valve · wornCYLINDER FAILED COMPRESSION CHECK DUE TO EXHAUST VALVE LEAKAGE. VISUAL INSPECTION REVEALED BURNED EXHAUST VALVE WITH NO SIGNS OF OVER TEMP OR CARBON BUILD UP. VALVE STEM AND GUIDE WORN BEYOND SERVICE LIMITS. EXHAUST VALVES IN CYLINDERS 4 AND 5 EXPERIENCE IDSep 19, 2003 · N732YK · Cessna T210MSDR CA030924005Stud · broken(CAN) LT ENGINE CYLINDER NR 5 CYLINDER BASE STUDS SHEARED OFF IN CASE. STUDS APPEAR TO HAVE BEEN CRACKED INSIDE CASE AREA. POSSIBLY FROM OVER TORQUEING.Sep 19, 2003 · Piper PA31SDR CA031107008Guide · loose(CAN) DURING INSPECTION, IT WAS NOTED THAT THE INTAKE GUIDES WERE LEAKING OIL. THE SPRINGS WERE REMOVED TO MEASURE THE GUIDE HEIGHTS. THERE ARE NOW SHORTER GUIDES THAT REQUIRE THE INSTALLATION OF A SEAL. SOME OF THESE SEALS WERE NOT INSTALLED ON A BATCH OF CYLSep 11, 2003 · Cessna 305ASDR CA031107006Guide · loose(CAN) DURING INSPECTION, IT WAS NOTED THAT THE INTAKE GUIDES WERE LEAKING OIL.THE SPRINGS WERE REMOVED TO MEASURE THE GUIDE HEIGHTS.THERE ARE NOW SHORTER GUIDES THAT REQUIRE THE INSTALLATION OF A SEAL. SOME OF THESE SEALS WERE NOT INSTALLED ON A BATCH OF CYLISep 11, 2003 · Cessna 305ASDR CA031107005Guide · loose(CAN) OTHER CYLINDERS INSTALLED ON THIS ENGINE DID NOT HAVE THE INTAKE GUIDE SEALS INSTALLED. (SHORTER GUIDES REQUIRES SEALS, WHILE LONGER GUIDES DO NOT REQUIRE SEALS.) THE INTAKE SPRINGS WERE REMOVED TO MEASURE THE GUIDE TO SEE IF THE SEALS WERE REQUIRED FOSep 11, 2003 · Cessna 305ASDR 2003FA0000966Rod Bolt · damagedINSTALLED (1) NEW ROD BOLT, SA 629340 LOT NR 578901, ALONG WITH NEW NUT NR SA 628109. NUT WOULD NOT REACH SPEC. TORQUE. NUT WAS REMOVED TO REVEAL THREADS, DAMAGED.Sep 10, 2003 · N2636P · Cessna 310RSDR ENE2003F00000Cylinder Head · failedCYLINDER HEAD FAILED ON TAKEOFF. SUBSEQUENT OPERATION LEAD TO COMPLETE SEPERATION OF HEAD FROM CYLINDER. THIS WAS MINIMAL OPERATION. PROBABLE CAUSE OF FAILURE ARE MATERIAL COMPOSITION, HEAT TREATMENT, AND MACHINING OR CASTING INDUCED WEAKNESSES.Sep 3, 2003 · N8337Q · Cessna U206FSDR CA030909001Cylinder Head · separated(CAN) PILOT REPORTED THAT THE LT ENGINE WAS RUNNING ROUGH. DURING INVESTIGATION BY MAINTENANCE CREW IT WAS DISCOVERED THAT BOTH NR 2 AND NR 8 CYLINDER HEADS WERE SEPERATING FROM THE BARREL. ONE CYLINDER HAD A SLIGHT OIL LEAK EVIDENT AND THE OTHER AN AIR COULD Aug 31, 2003 · Grumav TS2ASDR NACA20030111Cylinder · crackedNR 4 ENGINE SHUT DOWN DUE TO BACKFIRING. REPLACED NR 4 ENGINE, NR 18 CYLINDER DUE TO CRACKED HEAD. OP CHECKED GOOD.Aug 30, 2003 · N99330 · Doug DC6ASDR 2003FA0000962Exhaust Valve · separatedTHE FACE OF THE NR 2 CYL EXHAUST VALVE SEPARATED FROM THE STEM OF THE VALVE. SUBSEQUENT DAMAGE TO THE POSTON AND CYLINDER WAS SUBSTANTIAL. THIS FAILURE OCCURRED WHILE IN CRUISE FLIGHT.Aug 29, 2003 · N3182H · Univar 415CSDR AUS20031157Exhaust Valve · separated(AUS) NR 2 CYLINDER EXHAUST VALVE HEAD SEPARATED FROM VALVE STEM. ENGINE HAD BEEN SITTING IDLE FOR AT LEAST 18 MONTHS AND HAD JUST BEEN RETURNED TO OPERATION.Aug 27, 2003 · Piper PA38112SDR 82703Cylinder · separatedAT CRUISE POWER FOR OVER 5 HOURS IN ROUTE MWO-LRD LEFT ENGINE STARTED RUNNING ROUGH. AIRCRAFT DIVERTED TO AUS. FOUND NR 1 CYLINDER HEAD SEPARATED FROM THE BARREL.Aug 27, 2003 · N9923S · Doug DC3CSDR CA030827002Exhaust Valve · eroded(CAN) DURING THE BOROSCOPE INSPECTION OF THE ON-CONDITION PROGRAM, SPECIAL EFFORT WAS MADE TO INSPECT THE EXHAUST VALVE AS WE HAD FOUND A PREVIOUS VALVE OF THE SAME PART NUMBER IN POOR CONDITION. THE NR 2 CYLINDER EXHAUST VALVE WAS FOUND SEVERELY ERODED 1/3 TAug 25, 2003 · Cessna 150MSDR 2003FA0000977Bushing · wornEIGHT ROCKER ARM BUSHINGS SHOWED INDICATIONS OF EXCESSIVE WEAR. THE PROBLEM WAS INDICATED AT THE FIRST OIL CHANGE (10 HOURS) AFTER ENGINE OVERHAUL AS BRONZE PARTICLES IN THE OIL FILTER. THE OVERHAULED ROCKER ARMS WERE INSTALLED IN NEW MFG CYLINDERS P/N 65381Aug 23, 2003 · N2698J · Cessna 150GSDR ENHA2003005Pushrod · bentNR 6 CYLINDER EXHAUST PUSHROD BENT.Aug 20, 2003 · N8NZ · Cessna T207ASDR ENHA2003004Pushrod Tube · crackedNR 6 CYLINDER EXHAUST PUSHROD TUBE HOUSING CRACKED, PUSHROD BENT. SUSPECT STUCK VALVE.Aug 20, 2003 · N48CF · Cessna T207ASDR CA030828002Exhaust Valve · broken(CAN) CRUISING AT 25,000 FT, MANIFOLD PRESS DROPPED BY 5 INCHES, DID NOT RECOVER UNTIL BELOW 10,000 FT. MAINT CHECKS ON GROUND DETERMINED NO (ZERO) COMPRESS ON NR 6 CYL UPON REMOVAL OF CYL EXHAUST VALVE WAS DISCOVERED TO HAVE .2500 OF VALVE FACE MISSING. PIECEAug 20, 2003 · Piper PA46310PSDR CA030818005Exhaust Valve · failed(CAN) ON APPROACH TO WHITE SMOKE WAS OBSERVED EXITING THE LT INBOARD EXHAUST STACK. THE ENGINE WAS SHUT DOWN AND SECURED, THE A/C LANDED WITHOUT INCIDENT. UPON INVESTIGATION THE NR 3 CYL. EXHAUST VALVE STEM HAD SEVERED AND WAS INGESTED INTO THE CYL. OIL SCREENAug 18, 2003 · Doug B26CSDR 2003FA0000943Cylinder · crackedFOUND ALUMINUM CHIPS IN SCREEN. INTERNAL ENGINE INSPECTION REVEALED A 5 INCH LONG CRACK IN THE NR 5 CYLINDER SKIRT.Aug 16, 2003 · N48395 · Scwzer G164ASDR NACA20030110Cylinder Head · crackedNR 3 ENGINE SHUT DOWN DUE TO OIL LOSS AND LOW COMPRESSION ON NR 3 CYLINDER. REPLACED NR 3 ENGINE NR 3 CYLINDER DUE TO CRACKED HEAD.Aug 16, 2003 · N1377K · Doug DC6SDR AUS20030961Cylinder Head · cracked(AUS) ENGINE CYLINDER HEAD CRACKED.Aug 15, 2003 · Cessna 210NSDR WS92003F00000Cylinder Head · separatedAIRCRAFT DEPARTED, PILOT EXPERIENCES ROUGH RUNNING RIGHT ENGINE, AND LOSS OF POWER. PILOT LANDED, AND UPON INSPECTION BY COMPANY MECHANIC DISCOVERED NR 6 CYLINDER CRACKED ALL THE WAY AROUND CYLINDER HEAD BETWEEN THE 9TH AND 10TH COOLING FIN. CYLINDER WAS REAug 15, 2003 · N415ST · Cessna 414ASDR CA030818001Piston · broken(CAN) UPON DOING A CYLINDER INSPECTION IT WAS NOTICED THAT THE COMPRESSION ON THE NR 4 CYLINDER WAS LOW. REMOVAL OF THE CYLINDER REVEALED A PISTON SKIRT LAYING IN OIL SUMP WHICH HAD COME FROM THE NR 5 CYLINDER. THESE PISTON SKIRTS BREAKING OFF HAVE CREATED 2 IAug 15, 2003 · Beech 95B55SDR NACA20030109Cylinder · making metalNR 3 ENGINE DOUBLE SHORTED SECONDARY, ENGINE SHUT DOWN ON TAXI-IN. REPLACED NR 3 ENGINE ASSY. DUE TO NR 11 CYLINDER RING LAND/PISTON FAILURE. METAL IN SCREEN.Aug 15, 2003 · N99330 · Doug DC6SDR CA030813AAAPiston · damaged(CAN) AT INSPECTION, A VERY SMALL AMOUNT OF FERROUS MATERIAL FOUND IN PRESSURE FILTER.ADDITIONAL INSPECTION FOUND A PISTON WITH BROKEN TOP COMPRESSION RING.INSPECTION OF OTHER PISTONS FOUND THEM TO HAVE BEEN WORN BEYOND LIMITS IN THE TOP RINGGROOVE WIDTH. WORAug 13, 2003 · Namer HARVARDMK4SDR CA030923011Stud · broken(CAN) ALL NR 6 HOLD DOWN STUDS FOUND BROKEN.Aug 12, 2003 · Dhav DHC2MK1SDR CA030812003Rocker · worn(CAN) ON VISUAL INSPECTION OF VALVE TRAIN ASSY ON ALL FOUR CYLINDERS. NOTED EXCESSIVE WEAR TO ROCKER ARM BOSSES, ROCKER ARM BUSHINGS & ROCKER SHAFTS. SHAFTS ARE ANCHORED BY SET SCREWS. FIRST INDICATION IS THAT THE LINE UP MARKS ON THE ENDS OF THE PINS DO NOT Aug 12, 2003 · Cessna 150LSDR NACA20030108Cylinder · crackedNR 2 ENGINE SHUT DOWN ON GROUND, NR 8 CYLINDER CRACKED. REPLACED NR 2 ENGINE, NR 8 CYLINDER.Aug 12, 2003 · N43872 · Doug DC6SDR 2003FA0001007Stud · brokenCYL STUDS BROKEN. CYL BACKED OFF ENGINE.Aug 8, 2003 · N1039U · Piper PA34200SDR CA030813002Piston · cracked(CAN) DEFECTIVE PART FOUND DURING A TOP OVERHAUL AT 1785.8 HOURS (ENGINE TIME). THIS ENGINE CYLINDERS HAD NEVER BEEN REMOVED SINCE LYCOMING OVERHAUL. PERTINENT INFORMATION: CRACK IN PROGRESS, 3/4 INCH LONG. WE CAN OBSERVE POROSITY IN THE MATERIAL AT THE CRAug 8, 2003 · Cessna 172PSDR 2003FA0000834Valve Guide · damagedCYLINDER ASSY LOCATED AT NR 5 POSITION. EXHAUST VALVE STUCK, UPON REMOVAL OF THE CYLINDER FROM THE ENGINE. THE INTAKE VALVE LIFTER WAS ALSO FOUND TO BE DAMAGED (SHATTERED).Aug 8, 2003 · N442EK · Robsin R44SDR NACA20030105Cylinder · crackedNR 4 ENGINE SHUT DOWN DUE TO NR 17 CYLINDER LOW COMPRESSION ON PATTERNS. REPLACED NR 17 CYLINDER. OP CHECKED GOOD.Aug 7, 2003 · N2907F · Doug DC6SDR CA030826011Cylinder · cracked(CAN) THE AIRCRAFT WAS ORBITING THE FIRE WHEN THE FLIGHT CREW HEARD A BACKFIRE FROM THE NR 4 ENGINE. THE ENGINE WAS SHUT DOWN AND THE PROPELLER WAS FEATHERED. THE AIRCRAFT RETURNED TO BASE. MAINTENANCE CREWS FOUND THE NR 2 CYLINDER WAS CRACKED AT THE EXHAUST EAug 6, 2003 · Doug DC6BSDR 2003FA0000841Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM THE BARREL IN CRUISE FLIGHT. LIMIT THE USE OF CHROMED CYLINDERS TO NON TURBOCHARGED ENGINES.Aug 3, 2003 · N2618L · Cessna 414ASDR 2003FA0000913Exhaust Valve · missingDURING CRUISE ENGINE STARTED RUNNING. ROUGH AND LOST POWER. AIRCRAFT MADE EMERGENCY LANDING IN CORN FIELD. FOUND EXHAUST VALVE NR 4 ENGINE CYLINDER MISSING AND HOLE IN PISTON HEAD. (.5 INCH X 2.5 INCH) HOLE.Aug 1, 2003 · N6201K · Stolam RC3SDR 2003FA0000809Cylinder · out of toleranceDURING ENGINE ASSEMBLY AFTER LIGHTING STRIKE INSPECTION IN ACCORDANCE WITH TCM SB M88-9 FOUND ALL CYLINDERS TO HAVE EXCESSIVE DRY LIFTER CLEARANCE. MANUFACTURERS SPECIFICATION IS .060 TO .200 INCH., ALL CYLINDER ALL VALVES EXCEEDED .200 INCH CLEARANCE.Aug 1, 2003SDR AUS20030789Cylinder · cracked(AUS) ENGINE CYLINDER CRACKED.Jul 31, 2003 · Cessna 404CESSNASDR CA030911003Pushrod Tube · chafed(CAN) ON CLIMB OUT AFTER BOMB RUN OIL NOTICED ON NACELL OF RT ENGINE. PRECAUTIONARY ENGINE SHUT DOWN COMPLETED, A/C LANDED WITHOUT INCIDENT.BREASEWAY FOUND TO HAVE CHAFED SMALL HOLE IN CYLINDER NUMBER 15 EX. PUSH ROD TUBE. PUSH ROD TUBE REPLACED BREASEWAY SECUJul 30, 2003 · Doug A26CSHIELDSSDR CA030826012Cylinder · loose(CAN) DURING CRUISE THE FLIGHT CREW NOTICED NR 1 ENGINE WAS BACKFIRING. THE ENGINE WAS SHUT DOWN AND THE PROPELLER WAS FEATHERED. THE AIRCRAFT RETURNED TO BASE. MAINTENANCE CREWS FOUND THE INTAKE INSERT ON NR 11 CYLINDER WAS LOOSE. THE CYLINDER WAS REPLACED WIJul 29, 2003 · Doug DC6BSDR NACA20030094Cylinder · failedNR 2 ENGINE BACKFIRING & RUNNING ROUGH. REPLACED NR 13 CYLINDER DUE TO EXHAUST VALVE SPRING FAILURE.Jul 17, 2003 · N1377K · Doug DC6ASDR NACA20030093Cylinder · failedNR 4 ENGINE WOULD NOT TAKE A LEAN. DOUBLE SHORTED SECONDARY. REPLACED NR 4 ENGINE NR 16 CYLINDER.Jul 16, 2003 · N2907F · Doug DC6ASDR AUS20030742Cylinder Head · separated(AUS) NR 1 CYLINDER HEAD SEPARATED AT HEAD TO BARREL JOINT.Jul 15, 2003 · Beech A23ASDR AUS20030748Intake Valve · failed(AUS) NR 6 CYLINDER INTAKE VALVE BROKEN OFF AT UPPER PART OF VALVE STEM. BROKEN INTAKE VALVE CAUSED EXTENSIVE DAMAGE TO CYLINDER.Jul 14, 2003 · Bnorm BN2A20SDR AUS20030711Bushing · misinstalled(AUS) RT ENGINE OIL FILTER CONTAMINATED WITH FINE ALUMINIUM/BRONZE METAL PARTICLES. STRIP AND INSPECTION FOUND THAT THE SOURCE OF THE METAL CONTAMINATION WAS FROM THE VALVE ROCKER THRUST WASHER AREAS. SEVERAL OF THE ROCKER PEDESTAL BUSHES HAD BEEN INSTALLED PRJul 11, 2003 · Piper PA31350SDR CA030731008Cylinder Head · broken(CAN) CYLINDER HEAD OF NR 7 ASSEMBLY BROKE/SEPARATED IN CRUISE FLT. ENGINE ONLY 36.9 HOURS TTSO. METAL FATIGUE OR OIL LOCK ON PREVIOUS ENGINE START SUSPECTED. OVERHAUL ASSEMBLY INSTALLED, GROUND RUN AND FOUND SATISFACTORY.Jul 8, 2003 · Dhav DHC2MK1SDR CA030711004Stud · broken(CAN) AN OIL LEAK WAS OBSERVED IN CRUISE AND A PRECAUTIOARY SHUT DOWN WAS CARRIED OUT. UPON INSPECTION IT WAS FOUND THAT THE LOWER STUDS WERE BROKE, THEY WERE REPLACED ALONG WITH THE CYLINDER.Jul 8, 2003 · Doug C54GDCSDR CA030711003Stud · broken(CAN) DURING CRUISE IT WAS NOTICED THAT THERE WAS A SLIGHT SHAKE AND DEVELOPED AN OIL LEAK, A PRECAUTIONARY SHUT DOWN WAS CARRIED OUT AND PROP FEATHERED, UPON INSPECTION IT WAS FOUND THAT THE LOWERS STUDS WERE BROKEN ON THE CYLINDER ASSEMBLY. CURRENTLY AN INVEJul 8, 2003 · Doug C54GDCSDR 2003FA0000831Bolt · shearedWHILE PERFORMING A COMPRESSION CHECK ON THE CYLINDER FOR THE 100 HOUR INSPECTION, HAPPENED TO LOOK AT THE CYLINDER BOLTS AND NOTICED ONE OF THE NUTS WAS MISSING ON THE TOP FORWARD THRU BOLT ON THE NR 2 CYLINDER. LOOKED AROUND ON THE BAFFLING AND FOUND THE OTHJul 7, 2003 · N365DP · Cirrus SR20
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