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.

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.Mar 2, 2013 · Robsin R44RAVENII · Tail Rotor Drive ShaftSDR CA130227002Starter · failed(CAN) PILOT REPORTED HARD STARTING OF THE ACFT. STARTER REPLACED.Feb 25, 2013 · Robsin R44RAVENII · Engine StarterSDR 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 INOPERFeb 25, 2013 · Robsin R44RAVENII · Engine Fuel PumpSDR CA130212028Starter Gen · noisy(CAN) STARTER FOUND TO BE NOISY FOLLOWING 50 HR INSPECTION. STARTER REPLACED.Feb 7, 2013 · Robsin R44RAVENII · Starter-GeneratorSDR CA130212029Starter Gen · slow(CAN) DURING 50/100 HR INSPECTION THE STARTER FOUND TO HAVE VERY SLOW CRANKING SPEED. STARTER REPLACED.Feb 6, 2013 · Robsin R44RAVENII · Starter-GeneratorSDR CA130114013Reservoir · leaking(CAN) HYDRAULIC RESERVOIR FOUND TO BE VENTING FLUID DURING GROUND RUN FOLLOWING ACFT 50 HOUR INSPECTION. HYDRAULIC RESERVOIR REPLACED.Jan 11, 2013 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR 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 ENGINJan 9, 2013 · Robsin R44RAVENII · Fuel Boost PumpSDR CA130104002Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.Jan 2, 2013 · Magneto/DistributorSDR 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.Dec 18, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA121218009Bearing · failed(CAN) THE DRIVE END BEARING INNER RACE SPINS ON THE SHAFT.Dec 17, 2012 · Magneto/DistributorSDR CA121218010Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.Dec 17, 2012 · Magneto/DistributorSDR CA121214011Starter Gen · failed(CAN) ENGINE WOULD NOT START. STARTER REPLACED.Dec 11, 2012 · Robsin R44RAVENII · Starter-GeneratorSDR 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.Nov 28, 2012 · Robsin R44RAVENII · Engine/Transmission CouplingSDR 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 Nov 27, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR 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 ALSONov 27, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR 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 Nov 27, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA121127004Pump · failed(CAN) AUXILIARY FUEL PUMP FAILED ON START UP FOLLOWING 100 HOUR INSPECTION OF THE AIRCRAFT. AUXILIARY FUEL PUMP REPLACED.Nov 22, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA121122002Gear · chipped(CAN) DURING ACFT 100 HOUR INSPECTION THE STARTER WAS FOUND TO HAVE A NUMBER OF CHIPPED TEETH. STARTER REPLACED.Nov 21, 2012 · Robsin R44RAVENII · Starter-GeneratorSDR 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 DAMPENov 21, 2012 · Robsin R44RAVENII · Tail Rotor Drive ShaftSDR 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.Nov 6, 2012 · Robsin R44RAVENII · Engine Fuel PumpSDR CA121106006Pump · leaking(CAN) ENGINE DRIVEN FUEL PUMP FOUND LEAKING DURING ACFT MAINTENANCE. FUEL PUMP REPLACED.Oct 30, 2012 · Robsin R44RAVENII · Engine Fuel PumpSDR 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.Oct 28, 2012 · Robsin R44RAVENII · Engine/Transmission CouplingSDR 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.Oct 24, 2012 · Robsin R44RAVENII · Engine StarterSDR CA121025011Pump · noisy(CAN) FUEL PUMP MAKING NOISE DURING GROUND RUN. FUEL PUMP REPLACED.Oct 22, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR FINL2012101700001Valve · contaminatedDURING TROUBLESHOOTING FOR A ROUGH RUNNING ENGINE, A SMALL PIECE OF METAL WAS DISCOVERED ON THE VALVE OF THE FUEL DIVIDER.Oct 15, 2012 · Robsin R44 · Fuel DividerSDR CA121013001Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS IN THE BLOCK.Oct 12, 2012 · Magneto/DistributorSDR CA121012011Pump · inoperative(CAN) AUXILIARY FUEL WARNING LIGHT ON. AUXILIARY FUEL PUMP FOUND INOPERATIVE AND REPLACED.Oct 6, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA121015014Starter · failed(CAN) STARTER WOULD NOT ENGAGE RING GEAR. THE STARTER WAS REPLACED.Oct 6, 2012 · Robsin R44RAVENII · Engine StarterSDR CA121012004Reservoir · failed(CAN) PILOT REPORTED HYDRAULIC FEEDBACK DURING GROUND RUN. HYDRAULIC RESERVOIR REPLACE AND HYDRAULIC SYSTEM BLED.Oct 3, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA121012010Magneto · worn(CAN) PILOT REPORTED MANIFOLD PRESSURE SPIKE AND ENGINE RUNNING ROUGH. LT MAGNETO REPLACED.Oct 2, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA121012003Actuator · failed(CAN) ACFT WOULD NOT START. FOUND CLUTCH ACTUATOR SWITCH HAD FAILED. CLUTCH ACTUATOR REPLACED.Sep 30, 2012 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA121012007Alternator · tripped(CAN) ALTERNATOR TRIPPED OFF LINE WHILE TRANSMITTING ON VHF COMM. ALTERNATOR, REPLACED.Sep 29, 2012 · Robsin R44RAVENII · AC Generator-AlternatorSDR CA120928009Magneto · intermittent(CAN) ENGINE RPM INTERMITTENT DURING MAGNETO FUNCTION CHECK. MAGNETO REPLACED.Sep 27, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120928008Reservoir · noisy(CAN) HYDRAULIC RESERVOIR FOUND TO BE NOISY DURING 100 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.Sep 26, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA120924007Governor · malfunctioned(CAN) ENGINE AND ROTOR RPM INDICATING HIGH. REPLACED GOVERNOR CONTROLLER.Sep 24, 2012 · Robsin R44RAVENII · Turbine GovernorSDR CA121012008Pump · intermittent(CAN) AUX FUEL PUMP INTERMITTENT. AUX FUEL PUMP REPLACED.Sep 21, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR 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" MANSep 20, 2012 · Robsin R44RAVENII · Main Rotor Mast/SwashplateSDR CA120919005Pump · failed(CAN) PUMP BEGAN TO SOUND LIKE IT WAS RUNNING ROUGH. EVENTUALLY IF FAILED TO FUNCTION AND TRIPPED THE CIRCUIT BREAKER. PUMP REPLACED.Sep 18, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120921005Gear · broken(CAN) DURING 100 HR INSPECTION THE STARTER GEAR WAS FOUND TO HAVE BROKEN TEETH. STARTER REPLACED.Sep 18, 2012 · Robsin R44RAVENII · Starter-GeneratorSDR 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 STSep 18, 2012 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR CA120918026Controller · malfunctioned(CAN) GOVERNOR CONTROLLER CAUSING ENGINE RPM INDICATION TO BE 2 PERCENT HIGH. GOVERNOR CONTROLLER REPLACED.Sep 17, 2012 · Robsin R44RAVENII · Turbine GovernorSDR CA120914002Starter · inoperative(CAN) STARTER WOULD NOT ENGAGE. STARTER REPLACED.Sep 14, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120918021Alternator · failed(CAN) ALTERNATOR WARNING LIGHT CAME ON IN FLIGHT. ALTERNATOR REPLACED.Sep 13, 2012 · Robsin R44RAVENII · AC Generator-AlternatorSDR 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.Sep 10, 2012 · Robsin R44RAVENII · Turbine GovernorSDR CA120914003Magneto · malfunctioned(CAN) ENGINE RPM HUNTING ON START UP. RT MAGNETO REPLACED.Sep 8, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120906003Block · cracked(CAN) BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.Sep 5, 2012 · Magneto/DistributorSDR CA120910008Servo · leaking(CAN) ALL THREE HYDRAULIC SERVOS FOUND LEAKING AT PILOT VALVE. SERVO REPLACED.Aug 29, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120910009Reservoir · venting(CAN) HYDRAULIC RESERVOIR FOUND VENTING FLUID DURING 100 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.Aug 29, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA120905013Reservoir · venting(CAN) HYDRAULIC RESERVOIR FOUND TO BE VENTING FLUID DURING ACFT 50 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.Aug 21, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA120910004Pump · failed(CAN) AUXILIARY FUEL PUMP FOUND UNSERVICEABLE DURING 50 HR INSPECTION. FUEL PUMP REPLACED.Aug 19, 2012 · Robsin R44RAVENII · Fuel Boost Pump
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