Lycoming O-235-L2C
Service difficulty reports · 521
Newest first. General aviation reporting is voluntary.
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 engine_model_key = 'O235L2C' 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 engine_model_key = 'O235L2C' 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 95ZZZX6609Cylinder · crackedINSTALLED CERMICHROME OHL CYLINDERS AT OVERHAUL. AT 50 SMOH, DETECTED A LEAK IN THE NR 4 CYLINDER-HEAD-BARRREL JUNCTION. UPON REMOVAL, OBSERVED A 11 INCH CIRCUMFERENTIAL CRACK 1 INCH FROM THE TOP OF THE BARREL AT THE 6:00 POSITION.SDR 95ZZZX6616Cylinder · crackedINSTALLED CERMICHROME OHL CYLINDERS AT OVERHAUL. AT 350 SMOH, DETECTED AN OIL LEAK FROM THE HEAD-BARREL-JUNCTION. UPON REMOVAL, DETECTED A CIRCUMFERENTIAL CRACK 1.50 INCHES LONG, ONE INCH FROM THE TOP OF THE BARREL AT THE 12:00 POSITION.SDR 95ZZZX6759Coil · openLEFT MAG INOP ON RUN-UP. REMOVED MAGNETO AND DISASSEMBLED. ELECTRICALLY CHECKED COIL AND FOUND OPEN CIRCUIT. REPLACED COIL WITH SERVICEABLE COIL AND OPS CHECK OK. DATE CODE ON FAILED COIL: 9/16/91.SDR 95ZZZX6009Push Rod · damagedDURING A 100-HOUR INSPECTION, A SMALL DENT IN NR 1 AND NR 4 EXHAUST PUSH ROD SHROUDS WAS DETECTED. THEY SEEMED TO BE LEAKING OIL. A FURTHER INSPECTION OF THE PUSH RODS REVEALED A VERY DEEP GROOVE OR CHANNEL WORN INTO THEM WHERE THE DENT IN THE SHROUD WAS LOCSDR 95ZZZX6410Pushrod · crackedANNUAL INSPECTION FOUND NR 4 INTAKE PUSHROD TO HAVE .75 INCH CRACK AT ROCKER ARM END. REFERENCE AD 80-25-02R2, AD 95-03-10, LYCOMING SB 453 AND LYCOMING SI 2388A. PART TOTAL TIME, 1,973.6 HOURS.SDR 95ZZZX5763Coil · openPILOT REPORTED RT MAG INOPERATIVE. INVESTIGATION FOUND MAGNETO COIL OPEN, COIL REPLACED AND MAGNETO FUNCTIONED NORMALLY. SUBMITTER STATED THIS IS 4TH SUCH PROBLEM WITH THIS COIL (ORANGE). NEW COIL IS BLACK, PN M3575.SDR 95ZZZX5630Rocker Cover · rustedWHILE PERFORMING AN ANNUAL INSPECTION THE ROCKER COVERS WERE FOUND EXTREMELY RUSTY ON THE INSIDE. OWNER ADVISED HE HAD LEFT THE ENGINE HEATER PLUGGED IN ALL WINTER. SUBMITTER SUSPECTS CONDENSATION FORMED ON COVERS DUE TO COOL TEMPS OUTSIDE ENGINE AND THAT CSDR 95ZZZX5122Heat Flap · seal detachedAIRCRAFT LOST POWER DURING FLIGHT. PILOT MADE AN UNEVENTFUL EMERGENCY LANDING. UPON FURTHER INSPECTION, FOUND CARBURETOR HEAT FLAPPER SEAL HAD BROKEN OFF AND A PIECE LODGED IN CARBURETOR VENTURI. UPON REMOVAL OF PIECE OF SEAL, AIRCRAFT DEVELOPED FULL POWER.SDR 95ZZZX5127Pipe · crackedDURING ANNUAL INSPECTION, FOUND FUEL STAINS AT NR 3 CYLINDER. REMOVED NR 3 CYLINDER INTAKE PIPE AND FOUND PIPE FLANGE CRACKED ONE-THIRD AROUND TOP. THIS MAY BE CRACKED BY IMPROPER SEAT OR AGE. NEW PIPE INSTALLED THAT HAD A THICKER FLANGE. TOTAL TIME, 1,806SDR 95ZZZX4428Push Rod · defectiveENGINE LOW STATIC. FOUND PUSH ROD WITH BOTH ENDS LOOSE AND TUBE MUSHROOMED. REPLACED PUSH ROD. INSPECTED ALL OTHER FOR PROPER ADJUSTMENT - OK.SDR 95ZZZX4181Pushrod · mushroomedCYLINDER NR 3 REMOVED FOR LOW COMPRESSION, FOUND EXCESSIVE CLEARANCE BETWEEN EXHAUST VALVE AND ROCKER ARM CAUSED BY PUSHROD THAT HAD MUSHROOMED UNDER BALL END.SDR 95ZZZX4350Lifter · brokenDURING ANNUAL INSPECTION, NR 2 CYLINDER WAS REMOVED DUE TO LOW COMPRESSION. WHEN CYLINDER WAS REMOVED, THE CUP PORTION OF THE EXHAUST SOLID LIFTER FELL TO THE FLOOR. THE CUP SECTION OF THE LIFTER HAD BROKEN COMPLETELY OFF. ALL LIFTERS HAD BEEN REPLACED DURISDR 95ZZZX3658Pushrod · failedPUSHROD FAILED AND WAS NOT MARKED WITH THE PROPER P/N PER THE A.O. 80-25-02 LYCOMING ADVISED THAT THE PROPER PUSHRODS WERE INSTALLED DURING ORIGINAL ASSEMBLY. ALL PUSHRODS REMOVED AND INSPECTED. ALL FOUND TO HAVE THE WRONG P/N. NO RECORDS OF THE PUSHRODS BESDR 95ZZZX3146Cylinder · pittedUPON REMOVAL OF CYLINDERS (PN LW-1663) FOR ACCOMPLISHMENT OF STC SE792NW (INCREASE IN HORSEPOWER FROM 112 HP TO 125 UP), ALL FOUR CYLINDER WALLS SHOWED CONSIDERABLE PITTING. CAMSHAFT (PN 75706) LOBES AND LIFTERS (PN 71105) SHOWED FLAT SPOTTING, PITS, AND EXCESDR 95ZZZX3239Pushrod · tip failedPUSHROD TIP SEPARATION. SECOND FAILURE ON THIS ENGINE. TOTAL TIME 6696. ENGINE TSMOH 366. REMOVED PN 73806. REPLACED WITH NEW PUSHROD PN 73806, REV A.SDR 95ZZZX3663Jet Nozzle · cloggedAIRCRAFT WAS FORCED TO MAKE AN EMERGENCY LANDING DUE TO LOSS OF POWER. UPON INSPECTION OF ENGINE, NOTED THE CARBURETOR WAS FOUND TO HAVE THE JET NOZZLE CLOGGED. SUBMITTER SUGGESTED THE LOSS OF POWER WAS DUE TO THE INSUFFICIENT FLOW OF FUEL.SDR 95ZZZX2191Cylinder · mismanufacturedNEW SUPERIOR CYLINDERS WERE INSTALLED AT ROUTINE OVERHAUL. AT FIRST OIL CHANGE, SIGNIFICANT AMOUNTS OF ALUMINUM WERE FOUND IN THE OIL FILTER. AFTER 5 MORE FLIGHT HOURS, THE FILTER WAS AGAIN INSPECTED, MORE ALUMINUM WAS FOUND. THE ENGINE WAS DISASSEMBLED ANDSDR 95ZZZX2186Cylinder · crackedCRACK FOUND DURING AN INSPECTION TO FIND AN OIL LEAK. LOCATION OF CRACK IS AT THE BOTTOM PORTION OF CYLINDER BARREL, 3.75 INCHES FROM BOTTOM OF FLANGE. THE CRACK IS APPROXIMATELY 2 INCHES LONG AND EXTENDS PARALLEL TO COOLING FINS.SDR 95ZZZX1363Push Rod · brokenFOUND 1 BROKEN AND 3 OTHERS CRACKED. ALL DAMAGE ON END OF THE TUBE NEAR INSERT OPPOSITE END OF TUBE WHERE PART NUMBER IS LOCATED. AD95-03-10 PERTAINS TO ASSEMBLY NR 73806 AND 'V' OR 'W' REVISION. PART TT UNKNOWN.SDR 95ZZZX1463Float · filledNOTED FUEL DRIPPING FROM COWL. UNCOWLED AND FOUND FUEL LEAKING FROM CARBURETOR ENGINE RAN ROUGH AT LOW SPEEDS. PULLED CARBURETOR AND FOUND FLOAT FULL OF FUEL. REPLACED WITH NEW. HAD METAL FLOAT REPLACED 10-12-89 UNDER PRECISION SERVICE BULLETIN MSA-1.SDR 95ZZZX1280Coil · defectiveENGINE LOST 125 RPM IN-FLIGHT, LANDED WITHOUT INCIDENT, MAG CHECK REVEALED LT MAGNETO DEAD. TROUBLESHOT AND FOUND NO DEFECTS IN MAG AFTER DISASSEMBLY. REPLACED COIL AND RAN UP AND OPS CHECKED OKAY.
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