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 CA150317007Piston · cracked(CAN) PILOT AND INSTRUCTOR EXPERIENCED AND ENGINE FAILURE ON FINAL. UPON INVESTIGATION NR 2 CYLINDER STUDS BROKE OFF THE CYLINDER WHERE THE CYLINDER MOUNTS ON TO THE ENGINE CASE. THE PISTON SKIRT WAS FOUND BROKEN AND THE CYLINDER SEPARATED FROM THE ENGINE. SDR CA150312003Radio · failed(CAN) ON A LOCAL TRAINING FLIGHT, ADVISED TOWER THEY WERE INBOUND WITH A RADIO FAILURE. ACFT WAS INSPECTED BY MAINTENANCE. NAV/COMM UNIT WAS REMOVED & THE CONNECTIONS WERE CLEANED. SYSTEM WAS FUNCTION TESTED SERVICEABLE IAW MANUFACTURER`S INSTRUCTIONS AND TSDR 2015FA0000078Rib · crackedHORIZONTAL STABILIZER LT & RT INSIDE L/E NOSE RIB ASSY, PN: RT 0432001-6, LT 0432001-46 WAS FOUND CRACKED DURING A 100HR/ ANNUAL INSPECTION. THE FAILURE WAS FOUND BY GENTLY LIFTING UP ON EITHER THE LT OR RT SIDES OF THE HORIZONTAL STABILIZER NOTING THE DEFLECSDR 2015FA0000079Rib · crackedHORIZONTAL STABILIZER LT & RT INSIDE L/E NOSE RIB ASSY, PN: RT 0432001-6, LT 0432001-46 WAS FOUND CRACKED DURING A 100HR/ ANNUAL INSPECTION. THE FAILURE WAS FOUND BY GENTLY LIFTING UP ON EITHER THE LT OR RT SIDES OF THE HORIZONTAL STABILIZER NOTING THE DEFLECSDR CA150212002Fork · cracked(CAN) NOSE FORK WAS FOUND CRACKED ON UPPER PORTION.SDR CA150114007Line · leaking(CAN) DURING INSPECTION AND REMOVAL OF FLOOR CARPETING IT WAS NOTICED THAT THE MAIN FUEL SUPPLY ALUMINUM LINE HAD A SLIGHT BLUE STAIN ON IT WHERE THE LINE CAME FROM UNDER THE FLOOR TO ABOVE THE FLOOR. THIS AREA IS WHERE THE PASSENGER/INSTRUCTOR WOULD HAVE THEISDR CA140917016Skin · damaged(CAN) A CESSNA 152 ON A LOCAL FLIGHT, REQUESTED TO RETURN TO DEPARTURE AFTER DEPARTING ON A VFR FLIGHT, INDICATING THERE WAS A PROBLEM WITH THE AIRCRAFT. (THE PILOT INDICATED THE AIRCRAFT FELT HEAVY AND WANTED TO TURN TO THE RIGHT). WHEN ASKED BY THE CONTROLLESDR CA140912021Magneto · failed(CAN) PILOT STARTED FLIGHT, WITH DIFFICULTY STARTING, BUT MANAGED TO GET ENGINE GOING. DURING A REQUESTED RAPID DESCENT HE SMELLED SMOKE AND ASKED TO LAND. ON FINAL HE NOTICED HE COULD NOT SLOW ENGINE BELOW 1500RPM THEN OVERSHOT SINCE THIS WOULD BE TOO FAST FSDR CA140731016Mount · cracked(CAN) ENGINE MOUNT TUBE FOUND CRACKED AT LOWER OLEO ATTACH POINT. SEE DIAGRAM ON SDR PAPER FORM ATTACHED.SDR CA140609001Elt · no test(CAN) WHILE TESTING THE ELT ON ITS ANNUAL CERTIFICATION IAW CAR 571, APPENDIX G FOUND UNIT WOULD NOT TRANSMIT ON 121.5 MGHZ OR 406 MGHZ FREQUENCY. UNIT REMOVED FROM SERVICE.SDR CA140507006Skin · cracked(CAN) THE ELEVATOR SKIN, WAS CRACKED.SDR CA140418004Fork · cracked(CAN) UPON LANDING, AFTER A TRAINING SESSION, THE PILOT WAS TAXIING BACK TO THE HANGER AND NOTICED THAT THE ACFT WANTED TO VEER TO THE LT. UPON DEPLANING THE ACFT, THE PILOT DID A WALK AROUND AND NOTICED THE NOSE GEAR YOKE WAS MAINTENANCE WAS NOTIFIED AND THESDR CA140331012Spring · cracked(CAN) DURING A SCHEDULED INSPECTION, TWO OUTER SPRINGS LOCATED IN THE CYLINDER 1 & 2 HAVE BEEN FOUND BROKEN, SOME CORROSION HAS BEEN FOUND ON THOSE SPRINGS. THESE ENGINES ARE MORE SUBJECT TO WATER CONDENSATIONS DUE TO THE LOWER OPERATING TEMPERATURE.SDR CA140310005Seal · failedTRAINING FLIGHT. ACFT LEVELED OFF, AFTER TAKEOFF. SMOKE FILLED CABIN AND OIL COVERED WINDSHIELD. PILOT DECLARED EMERGENCY AND RETURNED TO AIRPORT. INITIAL INVESTIGATION DISCOVERED CRANKSHAFT SEAL DISLODGED FROM FRONT OF ENGINE. NO OTHER OBVIOUS DEFECTS. AMSDR CA140305005Tube · failedRUNWAY AS INSTRUCTED. THE ACFT STOPPED. WHEN APPLIED POWER THE ACFT WAS PULLING TO ONE SIDE. THE CREW REALIZED THERE WAS A FLAT TIRE. MAINTENANCE REPLACED THE MAIN WHEEL ASSY ON THE TAXIWAY AND THE ACFT RETURNED BACK TO BASE. DISASSEMBLY THE TUBE WAS FOUND SDR CA131218023Seal · leaking(CAN) ON LONG FINAL, INSTRUCTOR & STUDENT NOTICED SMALL AMOUNT OF SMOKE IN COCKPIT. INSTRUCTOR TURNED OFF ELECTRICAL SYSTEM THINKING IT WAS ELECTRICAL. SMALL AMOUNT OF SMOKE STILL NOTICED IN COCKPIT. INSTRUCTOR TURNED ON ELECTRICAL SYSTEM AND COMPLETED LANDISDR CA131118025Strainer · separated(CAN) WHILE PERFORMING A ROUTINE INSPECTION OF THE FUEL TANK ASSY, THE FINGER SCREEN FITTING WAS REMOVED AS PART OF THE INSPECTION. WHILE THE SCREEN WAS BEING PULLED OUT, IT WAS NOTICED THAT THE SCREEN ITSELF WAS LOOSE AND COULD EASILY BE SEPARATED FROM THE FSDR CA131104013Pump · stiff(CAN) IAW PILOT " THROTTLE LEVER JAMMING AT APPROXIMATELY 2000 RPM AFTER IDLE FOR ABOUT 20S. THROTTLE TENSION WAS FULL LOOSE." UPON INVESTIGATION BY MAINTENANCE, THE CARB WAS FOUND VERY STIFF TO MOVE WHEN DISCONNECTED FROM THE AIRFRAME THROTTLE CONTROL. ON SDR CA131129014Cylinder · worn(CAN) DURING ROUTINE INSPECTION CYLINDERS WERE FOUND WORN, CYLINDERS WERE R & R WITH O/H CYLINDERS SUPPLIED BY CUSTOMER. POST INSTALL RUN UP WAS CARRIED OUT AND ENGINE SEIZED AFTER 3 MINUTES AT LOW RPM. CYLINDERS REMOVED AND NR 1 CYLINDER INSPECTED AND FOUNDSDR CA131009010Distributor Gear · failed(CAN) MAGNETO REPORTED FAILED. INSPECTION FOUND THE ELECTRODE ARM ON THE DISTRIBUTOR GEAR RIPPED OFF AND FREE SPINNING ON AXEL SHAFT. IT HAS BEEN NOTED THAT THIS PART HAS A HIGH FAILURE RATE, WITH THE ARM FOUND LOOSE ON APPROXIMATELY 60 PERCENT OF GEARS INSPESDR CA130927008Spar · cracked(CAN) A TOTAL OF 4 CRACKS WERE FOUND ORIGINATING FROM THE 1" HOLE IN THE SPAR AS DESCRIBED IN MFG SEB94-3. THE DEFECTIVE SPAR WAS R & R WITH A NEW PART THAT IS NO LONGER MFG WITH THE 1" HOLE.SDR CA130913007Valve · out of adjust(CAN) ENGINE WAS BEING WORKED ON FOR ROUGH RUNNING, WHILE THE CYLINDER VALVES WERE BEING CHECKED, THE NR 1 INTAKE AND NR 2 CYLINDER INTAKE VALVE CLEARANCES SEEMED EXCESSIVE. AFTER MORE INVESTIGATION IT WAS FOUND THAT THE CAM FOLLOWER WAS VERY CORRODED. THE ENSDR CA130913005Cam Follower · corroded(CAN) ENGINE WAS RUNNING ROUGH. MAINTENANCE INVESTIGATED AND FOUND THAT THE NR 1 CYLINDER INTAKE CAM FOLLOWER WAS CORRODED. THE ENGINE WAS SENT OUT FOR EXCHANGE.SDR CA130819015Return Spring · failed(CAN) CUSTOMER REPORTED ABNORMAL DEFLECTION OF RUDDER DURING PRE-FLIGHT INSPECTION, UPON INSPECTION BY AMO IT WAS FOUND THAT THE RT SIDE RUDDER RETURN SPRING WAS BROKEN, NEW SPRING INSTALLED ACFT RETURNED TO SERVICE.SDR CA130726005Tube · split(CAN) RIGHT TIRE WENT SUDDENLY FLAT. UPON DISASSEMBLY OF WHEEL, TUBE WAS FOUND TO HAVE A SMALL SPLIT IN IT. NOTE: FAILED TUBE IS A 6:00 X 6 SIZE TUBE AND IN THE LAST FEW YEARS MANY OF THESE TUBES HAVE FAILED IN THE SAME MANNER. THEY MAKE THESE TUBES MUCH SMSDR 2013FA0000388Crankcase · damagedCRANKCASE BROKE IN FRONT ABOVE AND BELOW OF NR 2 CYLINDER. LARGE PIECE OF CRANKCASE WAS STILL ATTACHED TO THE CYLINDER BASE WHEN REMOVED. ON INSP AND NON DESTRUCTIVE TESTING OF INTERNAL PARTS AND CYLINDERS, NO DAMAGE WAS FOUND. POSSIBLE CAUSE COULD BE METALSDR CA130614014Cylinder · cracked(CAN) DURING ENGINE ON CONDITION IMPLEMENTATION INSPECTION AT 1900 HOURS ENGINE TTSOH, NR 3 AND NR 4 CYLINDERS WERE REMOVED FOR AN INTERNAL INSPECTION. THE CYLINDERS WERE CLEANED AND INSPECTED FOR CRACKS, UPON INSPECTION, CRACKS WERE FOUND IN BOTH CYLINDERS.SDR CA130531009Riser · cracked(CAN) FOUND RISER CRACKED WERE IT ENTERS MUFFLER, 3" CRACK.SDR CA130213002Spar · cracked(CAN) RUDDER SPAR CRACKED THROUGH THE UPPER LIGHTENING HOLE AT UPPER RUDDER MOUNTING HINGE. IT WAS NOTED AS CRACKED WHILE CARRYING OUT SID NR 22.SDR CA121206013Strobe · wrong part(CAN) ACFT HAD JOURNEY LOG REPORTED DEFECT FOR, LANDING LIGHT SWITCH UNSERVICEABLE, SWITCH RED HOT. DURING TROUBLESHOOTING AND SWITCH REPLACEMENT THE MAINTENANCE TECH NOTICED THAT THE INCORRECT PN, SWITCH WAS INSTALLED. THE ACFT HAD A DOUBLE POLE SWITCH, PN SDR CA121130008Plug · worn(CAN) DURING ROUTINE CPC NR 2 INSPECTION, THE ACFT OIL FILTER WAS OPENED TO CHECK FOR CONTAMINATION AND ALUMINUM WAS FOUND IN THE FILTER ELEMENT. WE PROCEEDED TO REMOVE ENGINE CYLINDERS AND FOUND NR 1 CYLINDER PISTON PIN PLUG WORN, FURTHER INSPECTION OF CYLISDR BQVR20111129Exhaust Valve · wornPREMATURE EXHAUST VALVE WEAR DETECTED BY LOW COMPRESSION/ EXHAUST VALVE LEAKAGE. EXCESSIVE WEAR STEP FOUND ON THE FACES OF THE LOW TIME EXHAUST VALVES. THE EXHAUST VALVES FROM ALL 4 CYLINDERS ARE AFFECTED. FURTHER ENGINE EVALUATION IN PROGRESS.SDR BR82013F00000Main Bearing · spunWE BELIEVE THAT THE FAILURE OF THE CRANK WAS CAUSED BY A CENTER MAIN BEARING THAT SPUN. THE SPUN BEARING PUT UNDO STRESS AND POSSIBLE DAMAGE TO THE CRANK ASSY THAT WAS INSTALLED IN THE ENGINE. BECAUSE OF THE WEAR OF THE SPUN BEARING, WE BELIEVE THAT THE CRANSDR CA121109010Plug · worn(CAN) DURING ROUTINE OIL CHANGE, ALUMINIUM WAS FOUND IN ENGINE OIL FILTER. SUSPECTED TO BE PISTON PIN PLUG. CYLINDERS REMOVED AND NR 1 CYLINDER PISTON PIN PLUG FOUND WORN. CYLINDER CHECKED AND FOUND INPERFECTION INSIDE CYLINDER BARREL 1-2" FROM BASE, SUSPECTSDR CA121109012Spring · broken(CAN) PILOT REPORTED RUDDER PEDAL LOOSE, INSPECTED RUDDER CABLE RETURN SPRING BROKEN, NEW SPRING INSTALLED. ACFT RETURNED TO SERVICE.SDR CA120726001Seat · cracked(CAN) THE SEAT POST WAS CRACKED AT THE SEAT LOCKING PIN MECHANISM. THE WELD BROKE WHERE IT ATTACHES TO THE SEAT FRAME, NO INDICATIONS WERE GIVEN TO MAINTENANCE REGARDING PROBLEMS WITH THE SEAT PRIOR TO INSPECTION. IF NOT DETECTED THIS COULD CAUSE THE SEAT TO SDR CA120529008Starter · inoperative(CAN) THE ACFT WOULDN`T START. MAINTENANCE DISCOVERED THAT THE FRONT OF THE STARTER CASE HAD SNAPPED A CHUNK OFF.SDR CA120327002Bolt · sheared(CAN) DURING LANDING, THE NOSE GEAR FOLDED UNDER THE ACFT AND CAUSED DAMAGE TO PROPELLER, ENGINE, ENGINE MOUNT AND FIREWALL. IT WAS NOTED THAT THE UPPER TORQUE LINK BOLT WAS NOT ATTACHED TO THE GEAR ASSY. THUS CAUSING THE NOSE OLEO TO BE EXTENDED BEYOND ITS SDR 2012FA0000175Bolt · brokenIN CRUISE FLIGHT PILOT REPORTED LOSS OF ENGINE OIL PRESSURE. ACFT LANDED IN A FIELD. VISUAL EXTERNAL EXAMINATION OF THE ENGINE REVEALED AN 8" SQUARE AREA OF THE BOTTOM OF THE CRANKCASE MISSING BY THE NR 1 AND NR 2 CYLINDERS. THE CONNECTING ROD FOR THE NR 1 SDR CA120131013Line · chafed(CAN) DURING INSPECTION, FUEL LINES FROM LT AND RT TANKS WERE FOUND WEEPING DUE TO CHAFING. PARTS REPLACED.SDR 2012FA0000223Intake Valve · mismanufacturedAFTER EVALUATING CYINDER AND FAILED INTAKE VALVE, IT IS DETERMINED, VALVE FAILED DUE TO "BAD METAL". THE EVIDENCE DOES NOT SUPPORT FOREIGN OBJECT DAMAGE, EXCESSIVE HEAT OR OVERSPEED.SDR CA120120004Carburetor · sticking(CAN) THROTTLE WAS STICKING AT IDLE POSITION.SDR CA120106002Crankcase · cracked(CAN) WHILE DOING 100HR INSPECTION OIL LEAK NOTICED AT FRONT OF ENGINE CRANKCASE. AME REMOVED BAFFLING AND OIL COOLER. CLEANED PAINT FROM CRANKCASE CRACK FOUND BETWEEN FRONT TWO THRU STUDS. CRACK WAS ALSO HEADING TO TOP OF CASE. ENGINE REMOVED AND SENT OUT FORSDR CA120103023Bracket · cracked(CAN) THE BOTTOM HINGE TOP BRACKET WAS FOUND CRACKED AFTER THE RUDDER WAS REMOVED FOR BEARING REPLACEMENTS.SDR CA111103013Fork · cracked(CAN) DURING A ROUTINE 100 HR INSPECTION, SUBJECT NOSE FORK, PN 0442503-497 (LATER STYLE) WAS FOUND TO BE CRACKED ON BOTH SIDES OF THE UPPER AREA APPROX 2" BELOW THE TOP. AFTER EXAMINING THE FORK, IT DOES NOT APPEAR TO HAVE BEEN CAUSED BY A SINGLE INCIDENT ASSDR CA111021010Skin · cracked(CAN) A 1" CRACK WAS FOUND IN BETWEEN THE 2 RIBS OF THE STAB AT THE T/E WHERE THE REAR SPAR IS LOCATED ON THE RT SIDE LOWER SKIN. THE CRACK WAS FOUND ON A ROUTINE INSPECTION AND THE STAB WAS R & R WITH A SERVICEABLE UNIT.SDR 2011FA0000688Tachometer · inoperativeACFT IN SHOP FOR ANNUAL INSPECTION. REPLACED MALFUNCTIONING TACHOMETER WITH A NEW TACHOMETER, PN D1-112-5025, SN 25479. FAA-PMA. RAN THE ENGINE--TACHOMETER READINGS WERE VERY SLUGGISH AND WITH SEVERE LAG. TACHOMETER REMOVED FROM THE ACFT AND RETURNED TO THE DISDR CA111017007Switch · stuck(CAN) LANDING LIGHT SWITCH STUCK IN THE "ON" POSITION. THE LANDING LIGHT SUBSEQUENTLY DID NOT ILLUMINATE. SUBJECT SWITCH IS ON A 5 YEAR REPLACEMENT CYLE IAW SPECIAL INSPECTION ITEM NR 26 ON THE INSPECTION CHECKLIST OF D2064-1-13. THIS SWITCH FAILED AFTER ONLSDR CA111013004Switch · stiff(CAN) LANDING LIGHT SWITCH, STIFF TO OPERATE.SDR CA111012010Air Box · separated(CAN) DURING A ROUTINE INSPECTION IT WAS DISCOVERED THAT THE SCOOP FOR THE HEATED AIR INLET WAS SEPARATED FROM THE AIRBOX STRUCTURE. THE SCOOP IS NORMALLY SWAGED OR WELDED IN PLACE AND THE SCAT DUCT IS CLAMPED TO THIS SCOOP TO DIRECT INCOMING WARM AIR FROM TH
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