Lycoming IO-540-AE1A5
Service difficulty reports · 924
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 = 'IO540AE1A5' 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 = 'IO540AE1A5' 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 CA130304015Bearing · worn(CAN) DURING A 50/100 HR INSPECTION THE TAIL ROTOR DRIVESHAFT HANGER BEARING WAS HEARD TO BE MAKING A CLICKING SOUND. TAIL ROTOR DRIVESHAFT ASSY REPLACED.SDR CA130227002Starter · failed(CAN) PILOT REPORTED HARD STARTING OF THE ACFT. STARTER REPLACED.SDR CA130228003Pump · cavitates(CAN) DURING THE GROUND RUN FOLLOWING THE 50/100 HR INSPECTION THE AUXILIARY FUEL PUMP WAS FOUND TO BE CAVITATING. AUXILIARY FUEL PUMP REMOVED AND AUXILIARY FUEL PUMP, PN: D8187-B, TSO 1123 HRS WAS INSTALLED. SECOND AUXILIARY FUEL PUMP WAS FOUND TO BE INOPERSDR CA130212028Starter Gen · noisy(CAN) STARTER FOUND TO BE NOISY FOLLOWING 50 HR INSPECTION. STARTER REPLACED.SDR CA130212029Starter Gen · slow(CAN) DURING 50/100 HR INSPECTION THE STARTER FOUND TO HAVE VERY SLOW CRANKING SPEED. STARTER REPLACED.SDR CA130114013Reservoir · leaking(CAN) HYDRAULIC RESERVOIR FOUND TO BE VENTING FLUID DURING GROUND RUN FOLLOWING ACFT 50 HOUR INSPECTION. HYDRAULIC RESERVOIR REPLACED.SDR CA130110003Pump · noisy(CAN) DURING ACFT START SEQUENCE, WHILE PRIMING THE ENGINE THE PUMP MADE A SQUEALING NOISE AND WHEN THE ENGINE WAS STARTED THE AUXILIARY FUEL PUMP WARNING LIGHT CAME ON. ACFT CONTINUED TO RUN ON THE GROUND USING ONLY THE MECHANICAL FUEL PUMP. AFTER THE ENGINSDR CA130104002Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.SDR CA130107006Magneto · out of adjust(CAN) DURING THE 100 HR INSPECTION THE LT STARTING MAG WAS FOUND TO HAVE INCORRECT INTERNAL TIMING AND MAIN POINTS WERE MAKING POOR CONTACT. MAGNETO REPLACED.SDR CA121218009Bearing · failed(CAN) THE DRIVE END BEARING INNER RACE SPINS ON THE SHAFT.SDR CA121218010Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.SDR CA121214011Starter Gen · failed(CAN) ENGINE WOULD NOT START. STARTER REPLACED.SDR CA121130005Wire · loose(CAN) PILOT REPORTED INTERMITTENT CLUTCH ACTUATOR WARNING. CLUTCH ACTUATOR REPLACED. CLUTCH ACTUATOR WAS FOUND TO HAVE A LOOSE WIRE ON THE UP LIMIT SWITCH.SDR CA121128003Servo · leaking(CAN) SERVO LEAKING EXCESSIVELY FROM PILOT VALVE AND LOWER SEAL. DISCOVERED DURING ANNUAL INSPECTION, A POOL OF HYDRAULIC FLUID UNDER THE SERVO AND RUNNING THE FRONT OF THE TRANSMISSION ONTO THE MOUNTS AND TRANSMISSION DECK. HYDRAULIC FLUID WAS ALSO COVERING SDR CA121128004Servo · leaking(CAN) SERVO LEAKING EXCESSIVELY FROM PILOT VALVE, MID-SEAL, AND LOWER SEAL. DISCOVERED DURING ANNUAL INSPECTION, A POOL OF HYDRAULIC FLUID UNDER THE SERVO AND RUNNING THE FRONT OF THE TRANSMISSION ONTO THE MOUNTS AND TRANSMISSION DECK. HYDRAULIC FLUID WAS ALSOSDR CA121128005Servo · leaking(CAN) SERVO LEAKING EXCESSIVELY FROM PILOT VALVE. DISCOVERED DURING ANNUAL INSPECTION, A POOL OF HYDRAULIC FLUID UNDER THE SERVO AND RUNNING THE FRONT OF THE TRANSMISSION ONTO THE MOUNTS AND TRANSMISSION DECK. HYDRAULIC FLUID WAS ALSO COVERING THE BOTTOM OF SDR CA121127004Pump · failed(CAN) AUXILIARY FUEL PUMP FAILED ON START UP FOLLOWING 100 HOUR INSPECTION OF THE AIRCRAFT. AUXILIARY FUEL PUMP REPLACED.SDR CA121122002Gear · chipped(CAN) DURING ACFT 100 HOUR INSPECTION THE STARTER WAS FOUND TO HAVE A NUMBER OF CHIPPED TEETH. STARTER REPLACED.SDR CA121128006Bearing · noisy(CAN) UPON ENGINE SHUTDOWN, THE PIC COULD HEAR A SQUEAL NOISE COMING FROM THE TAILBOOM. THE PILOT CONTACTED MAINTENANCE PERSONNEL WHO WHERE DISPATCHED TO CARRY OUT AN INSPECTION AS TO THE CAUSE OF THE NOISE. GROUND RUNS WERE CARRIED OUT IDENTIFYING THE DAMPESDR CA121115011Pump · leaking(CAN) DURING ACFT 100 HOUR INSPECTION, OIL WAS FOUND TO BE LEAKING FROM THE FUEL PUMP DUE TO DETERIORATION OF THE DIAPHRAM. FUEL PUMP RELACED.SDR CA121106006Pump · leaking(CAN) ENGINE DRIVEN FUEL PUMP FOUND LEAKING DURING ACFT MAINTENANCE. FUEL PUMP REPLACED.SDR CA121031007Seal · leaking(CAN) DURING INSPECTION OF THE ACFT OIL, WAS NOTED LEAKING FROM THE REAR SEAL OF THE CLUTCH ASSEMBLY. SEAL HAD DISLODGED FROM RETAINER AND MIGRATED ALONG CLUTCH SHAFT. CLUTCH ASSEMBLY REPLACED.SDR CA121030002Starter · cracked(CAN) DURING ACFT 50 HR INSPECTION, THE STARTER WAS FOUND TO HAVE A CRACK APPROXIMATELY 1.5" IN LENGTH IN THE GEAR CASING. STARTER REPLACED.SDR CA121025011Pump · noisy(CAN) FUEL PUMP MAKING NOISE DURING GROUND RUN. FUEL PUMP REPLACED.SDR FINL2012101700001Valve · contaminatedDURING TROUBLESHOOTING FOR A ROUGH RUNNING ENGINE, A SMALL PIECE OF METAL WAS DISCOVERED ON THE VALVE OF THE FUEL DIVIDER.SDR CA121013001Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.SDR CA121012011Pump · inoperative(CAN) AUXILIARY FUEL WARNING LIGHT ON. AUXILIARY FUEL PUMP FOUND INOPERATIVE AND REPLACED.SDR CA121015014Starter · failed(CAN) STARTER WOULD NOT ENGAGE RING GEAR. THE STARTER WAS REPLACED.SDR CA121012004Reservoir · failed(CAN) PILOT REPORTED HYDRAULIC FEEDBACK DURING GROUND RUN. HYDRAULIC RESERVOIR REPLACE AND HYDRAULIC SYSTEM BLED.SDR CA121012010Magneto · worn(CAN) PILOT REPORTED MANIFOLD PRESSURE SPIKE AND ENGINE RUNNING ROUGH. LT MAGNETO REPLACED.SDR CA121012003Actuator · failed(CAN) ACFT WOULD NOT START. FOUND CLUTCH ACTUATOR SWITCH HAD FAILED. CLUTCH ACTUATOR REPLACED.SDR CA121012007Alternator · tripped(CAN) ALTERNATOR TRIPPED OFF LINE WHILE TRANSMITTING ON VHF COMM. ALTERNATOR, REPLACED.SDR CA120928009Magneto · intermittent(CAN) ENGINE RPM INTERMITTENT DURING MAGNETO FUNCTION CHECK. MAGNETO REPLACED.SDR CA120928008Reservoir · noisy(CAN) HYDRAULIC RESERVOIR FOUND TO BE NOISY DURING 100 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.SDR CA120924007Governor · malfunctioned(CAN) ENGINE AND ROTOR RPM INDICATING HIGH. REPLACED GOVERNOR CONTROLLER.SDR CA121012008Pump · intermittent(CAN) AUX FUEL PUMP INTERMITTENT. AUX FUEL PUMP REPLACED.SDR CA120920005Mast · out of adjust(CAN) PILOT REPORTED EXPERIENCING "MAST ROCKING" IN FLIGHT. INCREASING POWER ELIMINATED THE SYMPTOMS AS DESCRIBED BY THE PILOT: DURING CRUISE FLIGHT AT 80 KNOTS ENCOUNTERED A SLIGHT HUMP, NOSE UP/DOWN MOTION, THAT INCREASED AS COLLECTIVE LOWERED BELOW 15" MANSDR CA120919005Pump · failed(CAN) PUMP BEGAN TO SOUND LIKE IT WAS RUNNING ROUGH. EVENTUALLY IF FAILED TO FUNCTION AND TRIPPED THE CIRCUIT BREAKER. PUMP REPLACED.SDR CA120921005Gear · broken(CAN) DURING 100 HR INSPECTION THE STARTER GEAR WAS FOUND TO HAVE BROKEN TEETH. STARTER REPLACED.SDR CA121001003Nut · loose(CAN) PILOT REPORTED HYDRAULIC LEAK AT PRESSURE FITTING OF PUMP. HYDRUALIC PUMP REMOVED AND TEE FITTING REMOVED FROM PUMP. AFTER INSPECTION, IT WAS NOTED THAT THE COMBINATION OF NUT, RETAINER AND PACKING WAS NOT MAINTAINING ENOUGH PRESSURE AGAINST PUMP TO STSDR CA120918026Controller · malfunctioned(CAN) GOVERNOR CONTROLLER CAUSING ENGINE RPM INDICATION TO BE 2 PERCENT HIGH. GOVERNOR CONTROLLER REPLACED.SDR CA120914002Starter · inoperative(CAN) STARTER WOULD NOT ENGAGE. STARTER REPLACED.SDR CA120918021Alternator · failed(CAN) ALTERNATOR WARNING LIGHT CAME ON IN FLIGHT. ALTERNATOR REPLACED.SDR CA120911006Governor · malfunctioned(CAN) PILOT NOTED ENGINE RPM INDICATION APPEARED LOW. MAINTENANCE DETERMINED GOVERNOR CONTROL WAS HOLDING ENGINE RPM LOW WHEN IN THE RANGE OF 2680-2700 RPM. GOVERNOR CONTROL REPLACED.SDR CA120914003Magneto · malfunctioned(CAN) ENGINE RPM HUNTING ON START UP. RT MAGNETO REPLACED.SDR CA120906003Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.SDR CA120910008Servo · leaking(CAN) ALL THREE HYDRAULIC SERVOS FOUND LEAKING AT PILOT VALVE. SERVO REPLACED.SDR CA120910009Reservoir · venting(CAN) HYDRAULIC RESERVOIR FOUND VENTING FLUID DURING 100 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.SDR CA120905013Reservoir · venting(CAN) HYDRAULIC RESERVOIR FOUND TO BE VENTING FLUID DURING ACFT 50 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.SDR CA120910004Pump · failed(CAN) AUXILIARY FUEL PUMP FOUND UNSERVICEABLE DURING 50 HR INSPECTION. FUEL PUMP REPLACED.
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