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 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 EXAJun 10, 1999 · N5360U · Cessna T210NSDR 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.Jun 7, 1999 · Mudry CAP10BSDR 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 Jun 7, 1999 · N5435J · Cessna 172NSDR AU990546Plug · worn(AUS) NR 2 CYLINDER PISTON PIN PLUG WORN. PISTON OIL RING LANDS DAMAGED. METAL CONTAMINATION OF THE ENGINE OIL SYSTEM.Jun 4, 1999 · Mudry CAP10BSDR 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 TEJun 3, 1999 · N911MZ · Bolkms BK117A3SDR 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 ANMay 28, 1999 · N881SP · Bell 206BSDR CA990707078Cylinder Head · cracked(CAN) CYLINDER HEAD CRACKED.May 27, 1999 · Piper PA28R200SDR 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.May 27, 1999 · N108ND · Piper PA28161SDR 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 PUSMay 23, 1999SDR AU990521Cylinder · separated(AUS) LT ENGINE NR 1 CYLINDER HEAD SEPARATED FROM THE CYLINDER BARREL. METAL CONTAMINATION OF OIL SYSTEM.May 22, 1999 · Cessna 340CESSNASDR CA990907044Spring · broken(CAN) STICKING VALVES AND BROKEN VALVE SPRING.May 21, 1999 · Cessna 402CSDR 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. May 21, 1999 · N5377B · Cessna 152SDR 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.May 21, 1999 · N93689 · Cessna 152SDR 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. May 21, 1999 · N95843 · Cessna 152SDR 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. May 21, 1999 · N6490L · Cessna 152SDR 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 SPRINGMay 20, 1999 · N962CC · Cessna 210RSDR 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)May 18, 1999 · N295M · Cvac 2405SDR 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.May 14, 1999 · N54844 · Cessna 172PSDR 99ZZZX2098Tappet · chippedCAMSHAFT AND LIFTER FOUND CHIPPED OR SPAWLED DURING C/W CSB 99-3A.May 11, 1999 · N755AB · Cessna 207ASDR 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.May 7, 1999 · Waco YMFSDR 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.May 3, 1999 · Cessna 206CESSNASDR 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 APPROXIMATEMay 3, 1999 · Cessna U206FSDR CA991004021Push Rod · damaged(CAN) BROKEN PUSH ROD.May 1, 1999 · Dhav DHC2MK1SDR 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. May 1, 1999 · N7449D · Piper PA22150SDR CA001107014Cylinder · failed(CAN) CYLINDER HAD LOW COMPRESSION. (X)Apr 30, 1999 · Bell 47G4ASDR 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 BOS990Apr 30, 1999 · N173ND · Piper PA28R201SDR 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: Apr 28, 1999 · Cessna 210NSDR 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.Apr 27, 1999 · Piper PA44180SDR 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)Apr 27, 1999 · N295M · Cvac 2405SDR 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 WApr 26, 1999 · N4058B · Blanca 1730ASDR 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 FRApr 22, 1999 · Doug DC3CS1C3GSDR 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.Apr 22, 1999 · N2741R · Cessna 340ASDR 99ZZZX2995Cylinder · wornCHOKE WORN OVERSIZE ON NR 6 CYLINDER.Apr 21, 1999 · N6867C · Cessna 335SDR 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 PApr 20, 1999 · Cessna 210NSDR 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 THApr 14, 1999 · Cessna 172NSDR CA990715045Exhaust Valve · broken(CAN) NR 3 ENGINE EXHAUST VALVE BROKEN AT STEM AND INJESTED.Apr 10, 1999 · Piper PA28R200SDR 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 ENApr 8, 1999 · Piper PA31350SDR 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 CYLIApr 7, 1999 · N2426N · Piper PA38112SDR AU990408Head · mismanufactured(AUS) ENGINE VALVE GUIDES POORLY FITTED. VALVE SEATING PROBLEMS.Apr 1, 1999 · Dhavxx DH82AROBRTSNSDR 99ZZZX2292Stud · looseNR 1 CYLINDER INTAKE VALVE ROCKER ARM STUD BACKED OUT OF CYLINDER HEAD.Apr 1, 1999 · N5171K · Cessna 172NSDR 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 TApr 1, 1999 · N103GA · Beech 58SDR 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 OPEApr 1, 1999 · N6400X · Cessna U206GSDR 99ZZZX1640Valve Guide · wornEXHAUST VALVE GUIDES WORN OUT SEVERELY ON ALL 6 CYLINDERS. 133.0 HOURS SINCE NEW.Mar 29, 1999 · N91767 · Cessna 182MSDR 99ZZZX1639Valve Guide · wornEXHAUST VALVE GUIDES WORN OUT SEVERELY ON ALL 6 CYLINDERS. 210.3 HOURS SINCE NEW.Mar 29, 1999 · N91767 · Cessna 182MSDR 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.Mar 26, 1999 · N4502L · Piper PA31350SDR 99ZZZX1459Cylinder · leakingDURING ROUTINE ENGINE, 100-HOUR INSPECTION FOUND CYLINDER NR 3 COMPRESSION 15/80 LEAKING BY INTAKE VALVE AND RINGS.Mar 26, 1999 · N6790B · Cessna 402CSDR 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.Mar 24, 1999SDR 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 DISTRMar 22, 1999SDR 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.Mar 17, 1999SDR 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 Mar 13, 1999 · N16245 · Cessna 150L
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