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 CA120910006Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 50 HR INSPECTION. SERVO REPLACED.Aug 19, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA120910003Servo · leaking(CAN) AFT HYDRAULIC SERVO FOUND LEAKING DURING 100 HR INSPECTION. HYDRAULIC SERVO REPLACED.Aug 18, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA120813028Actuator · unserviceable(CAN) CLUTCH ACTUATOR SWITCH NOT WORKING. CLUTCH ACTUATOR ASSY REPLACED.Aug 5, 2012 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA120813029Starter · inoperative(CAN) ENGINE WOULD NOT START. STARTER REPLACED.Jul 31, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120801015Circuit Breaker · tripped(CAN) CARGO HOOK FUNCTION TEST PERFORMED DURING HELICOPTER 100 HR INSPECTION. CARGO HOOK CIRCUIT BREAKER TRIPPED. CARGO HOOK REPLACED.Jul 29, 2012 · Robsin R44RAVENII · Cargo CompartmentsSDR CA120802016Starter · malfunctioned(CAN) STARTER MAKES ABNORMAL NOISE WHEN ENGAGED. STARTER REPLACED.Jul 26, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120723023Intake Valve · failed(CAN) DURING CRUISE FLIGHT THE PILOT NOTED UNUSUAL NOISE FROM THE ENGINE ALONG WITH VIBRATION IN THE TAIL ROTOR PEDALS. PILOT IMMEDIATELY LANDED. PILOT NOTED A LARGE AMOUNT OF BLUE SMOKE COMING FROM THE ENGINE EXHAUST PIPE. ACFT WAS RECOVERED BY THE OPERATOJul 20, 2012 · Robsin R44RAVENII · Reciprocating Engine Cylinder SectionSDR CA120727012Controller · malfunctioned(CAN) DURING 100 HR INSPECTION OF THE HELICOPTER, IT WAS NOTED THAT ENGINE RPM INDICATION ON THE DUAL TACH WAS HIGH AT 103.0 PERCENT TO 103.5 PERCENT. DUAL TACH AND GOVENOR CONTROLLER WERE REPLACED.Jul 11, 2012 · Robsin R44RAVENII · Turbine GovernorSDR CA120726006Magneto · failed(CAN) DURING A 100 HR INSPECTION OF THE HELICOPTER THE RT MAGNETO WAS REMOVED FOR INSPECTION. THE AME NOTED AN UNUSUAL NOISE WHEN MAGNETO WAS ROTATED BY HAND. MAGNETO REPLACED.Jul 10, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120727014Adapter · worn(CAN) LEFT MAGNETO ADAPTER DRIVE BEARING SPINNING IN ACESSORY CASE. ENGINE CASE WAS DAMAGED BY SPINNING BEARING. ENGINE REMOVED FOR REPAIR, O/H. THE OPERATOR HAS HAD A NUMBER OF OTHER INCIDENTS OF MAGNETO DRIVE BEARING FAILURE. FAULT HAS BEEN DISCUSSED WITHJul 10, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120726007Starter · inoperative(CAN) STARTER WOULD NOT ENGAGE. STARTER REPLACED.Jul 8, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120723024Servo · leaking(CAN) DURING HELICOPTER 50 HR INSPECTION LT AND RT HYDRAULIC SERVOS WERE FOUND TO BE LEAKING. LT SERVO, TSN: 1899. REPLACEMENT HYDRAULIC SERVO, PN: D212-1, INSTALLED AND FOUND LEAKING. HYDRAULIC SERVOS REPLACED.Jul 5, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA120705004Engine · power loss(CAN) ACFT ENGINE HAD POWER ISSUES WHILE IN CRUISE FLIGHT. THE ACFT LANDED UNDER POWER. THE ENGINE WAS RUNNING VERY ROUGH WHILE ON THE GROUNDJul 2, 2012 · Robsin R44RAVENII · Engine (Reciprocating)SDR CA120710001Starter · failed(CAN) HELICOPTER WOULD NOT START. STARTER MAKING INTERNAL NOISE AND BENDIX FOUND DAMAGED. STARTER REPLACED.Jun 29, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120710002Servo · leaking(CAN) DURING 50/100 HOUR INSPECTION OF THE HELICOPTER, THE LT HYDRAULIC SERVO, PN: D212-1, AND RT HYDRAULIC SERVO WERE FOUND TO BE LEAKING. HYDRAULIC PUMP, PN: D500-1, SN: 4830 AND HYDRAULIC RESERVOIR, PN: D211-2, SN: 4673 WERE ALSO FOUND TO BE LEAKING. ALL Jun 28, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA120710004Governor · failed(CAN) PILOT REPORTED GOVERNOR SEEKING AT HIGH END OF RPM. GOVERNOR CONTROL REPLACED.Jun 26, 2012 · Robsin R44RAVENII · Turbine GovernorSDR CA120629002Servo · leaking(CAN) DURING A 100 HOUR INSPECTION OF THE ACFT. THE HYDRAULIC SERVO WAS FOUND TO BE LEAKING. SERVO REPLACED.Jun 17, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120629005Washer · cracked(CAN) DURING 100 HR INSPECTION OF THE ACFT THE MAGNETO. FOUND PHENOLIC WASHER CRACKED UNDER TACH POINT SCREW. MAGNETO REPLACED.Jun 14, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120618008Pump · abnormal(CAN) AUXILIARY FUEL PUMP MOTOR WILL NOT TURN, CB TRIPPED. REPLACED AUXILIARY FUEL PUMP.Jun 13, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120618010Actuator · intermittent(CAN) CLUTCH ACTUATOR INTERMITTENT. CLUTCH ACTUATOR REPLACED.Jun 12, 2012 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA120618009Points · worn(CAN) MAGNETO INSPECTED DURING 100 HR ACFT INSPECTION. TACH POINTS FOUND WORN. MAGNETO REPLACED.Jun 10, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120629006Servo · leaking(CAN) DURING THE 100 HOUR OF THE ACFT, 3 HYDRAULIC SERVOS WERE FOUND TO BE LEAKING.Jun 10, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120611002Manifold · cracked(CAN) DURING A 100 HR INSPECTION, THE TECH FOUND THE INTAKE MANIFOLD WELDMENT, PN 730-1 CRACKED .333 OF THE WAY AROUND. THE MANIFOLD WAS LEAKING AIR INTO THE ENGINE AFTER THE FUEL SERVO, WHICH IS ATTACHED TO THE MANIFOLD. IF LEFT UNCORRECTED THIS CRACK COULDJun 8, 2012 · Robsin R44RAVENII · Engine (Reciprocating)SDR CA120612008Pump · failed(CAN) AUXLIARY FUEL PUMP NOT WORKING ON START UP. FUEL PUMP REPLACED.Jun 7, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120612006Bushing · loose(CAN) PILOT REPORTED ENGINE OVERSPEED OF 110 PERCENT IN FLIGHT. MAGNETO WAS TESTED ON COMPONENT SHOP TEST BENCH AND FOUND TO BE MISFIRING. COMPONENT SHOP INSPECTION OF RETARD MAGNETO FOUND DISTRIBUTOR BLOCK BUSHING WAS LOOSE CAUSING DISTRIBUTOR GEAR TO WOBBLEJun 3, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120612002Pump · noisy(CAN) PILOT REPORTED NOISY AUXILIARY FUEL PUMP. FUEL PUMP REPLACED.Jun 2, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120606004Starter Gen · intermittent(CAN) INTERMITTENT ENGAGEMENT OF STARTER GEAR WITH ENGINE RING GEAR DURING ACFT STARTING. STARTER REPLACED.May 30, 2012 · Robsin R44RAVENII · Starter-GeneratorSDR CA120528004Block · cracked(CAN) , BLOCK FOUND CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK.May 26, 2012 · Magneto/DistributorSDR CA120528005Block · cracked(CAN) FOUND THE NEW BLOCK CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK. BLOCK DATE CODE 11-08.May 26, 2012 · Magneto/DistributorSDR CA120528002Bearing · failed(CAN) FOUND THE DRIVE END INNER RACE OF BEARING SPINNING ON THE MAGNET,SHAFT. ALSO, FOUND THAT BLOCK 10-357426 IS CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK DATE CODE ON BLOCK 11 08.May 25, 2012 · Magneto/DistributorSDR CA120528003Block · cracked(CAN) FOUND THE BLOCK CRACKED WHERE THE BUSHING IS PUSHED INTO THE BLOCK. BLOCK DATE CODE 11-08.May 25, 2012 · Magneto/DistributorSDR CA120528001Bearing · failed(CAN) FOUND THE SMALL BEARING 2-202 FAILED, THE CAGE WAS IN PIECES. THE BEARING BALLS WHERE STILL RUNNING IN THE OUTER AND INNER RACE.May 22, 2012 · Magneto/DistributorSDR CA120531002Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING ACFT 100 HR INSPECTION. SERVO REPLACED.May 13, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120510007Pump · leaking(CAN) DURING 50 HR INSPECTION, THE ENGINE DRIVEN FUEL PUMP WAS FOUND TO BE LEAKING. FUEL PUMP REPLACED.May 6, 2012 · Robsin R44RAVENII · Engine Fuel PumpSDR CA120629013Reservoir · leaking(CAN) PILOT REPORTED HYDRAULIC FLUID SPRAYED WITHIN THE GENERAL AREA OF THE HYDRAULIC RESEVOIR. GROUND RUNS DETERMINED HYDRAULIC RESERVOIR VENTING OUT CAP, FLUID LEVEL NORMAL. NEW RESEVOIR INSTALLED RECTIFYING DEFECT.May 4, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA120504009Servo · leaking(CAN) DURING 100 HR INSPECTION, HYDRAULIC SERVOS LT AND RT WERE FOUND TO BE LEAKING. BOTH SERVOS WERE REPLACED.Apr 24, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120423023Pump · inoperative(CAN) AUX FUEL PUMP INOPERATIVE. AUXILIARY FUEL PUMP REPLACED.Apr 3, 2012 · Robsin R44RAVENII · Engine Fuel PumpSDR CA120408005Pump · noisy(CAN) DURING MAINTENANCE GROUND RUN NOISE WAS NOTED FROM PUMP. AUXILIARY FUEL PUMP REPLACED DUE TO SUSPECTED BEARING FAILURE.Mar 10, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120408006Reservoir · noisy(CAN) NOISE HEARD FROM HYDRAULIC SYSTEM WITH HELICOPTER AT GROUND IDLE. HYDRAULIC RESEVOIR REPLACED.Mar 3, 2012 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA120408007Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 100 HR INSPECTION. 2 OTHER SERVOS ALSO FOUND TO BE LEAKING. ALL 3 HYDRAULIC SERVOS REPLACED.Feb 29, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120408003Starter Gen · intermittent(CAN) STARTER INTERMITTENT. REPLACED STARTER.Feb 28, 2012 · Robsin R44RAVENII · Starter-GeneratorSDR CA120408004Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 100 HR INSPECTION. HYDRAULIC SERVO REPLACED.Feb 28, 2012 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA120224008Alternator · inoperative(CAN) ALTERNATOR LIGHT COME ON DURING FLIGHT. RESET PROCEDURES WAS NOT SOLVING THE PROBLEM. SYSTEMS WERE RUNNING ON BATTERIES ONLY. FLIGHT WAS TERMINATED.Feb 19, 2012 · Robsin R44RAVENII · AC InverterSDR 2AFA20120218001Intake Valve · fracturedREMOVAL OF THE NR 1 CYLINDER FOR VISUAL INSPECTION REVEALED A FAILURE OF THE INTAKE VALVE. ENGINE MONITOR SHOWED MASSIVE INGESTION OF ENGINE OIL INTO REMAINING CYLINDERS CAUSING LOSS OF POWER FROM OIL FOULING OF UNAFFECTED SPARK PLUGS. AFFECTED CYLINDER SHFeb 18, 2012 · N188DD · Robsin R44RAVENII · Reciprocating Engine Cylinder SectionSDR CA120217009Alternator · malfunctioned(CAN) ALTERNATOR LIGHT COMES ON IN FLIGHT. IAW PILOT OPERATING HANBOOK ALTERNATOR SWITCH CYCLED THEN LIGHT IS EXTINGUISHED. THIS EVENT OCCURED APPROXIMATELY EVERY 7 MINUTES. THE FLIGHT WAS TERMINATED AND MAINTENANCE REPLACED THE ALTERNATOR.Feb 17, 2012 · Robsin R44RAVENII · AC Generator-AlternatorSDR CA120228023Engine · making metal(CAN) METAL WAS FOUND IN THE OIL FILTER DURING A 50 HOUR INSPECTION. FOLLOW-UP INSPECTIONS WERE CONDUCTED IAW LYCOMING SI-1492D. AIRCRAFT WAS GROUND RUN FOR 30 MINUTES - NO METAL FOUND IN FILTER. AIRCRAFT WAS FLOWN FOR ONE HOUR AND OIL FILTER WAS AGAIN REMOVFeb 13, 2012 · Robsin R44RAVENII · Engine (Reciprocating)SDR CA120224009Alternator · inoperative(CAN) ALTERNATOR LIGHT COME ON DURING FLIGHT. RESET PROCEDURES WAS NOT SOLVING THE PROBLEM. SYSTEMS WERE RUNNING ON BATTERIES ONLY. FLIGHT WAS TERMINATED.Feb 9, 2012 · Robsin R44RAVENII · AC InverterSDR CA120408001Starter · failed(CAN) STARTER FAILED. REPLACED STARTER.Feb 8, 2012 · Robsin R44RAVENII · Engine StarterSDR CA120408002Pump · failed(CAN) AUXILIARY FUEL PUMP WARNING LIGHT CAME ON IN FLIGHT. AUXILIARY FUEL PUMP REPLACED.Feb 8, 2012 · Robsin R44RAVENII · Engine Fuel PumpSDR CA120206004Manifold · cracked(CAN) THE INTAKE MANIFOLD WELD WAS FOUND CRACKED DURING A 100HRS INSPECTION. THE PART WAS REPLACED AND THE ENGINE COOLING FAN BALANCED.Feb 3, 2012 · Robsin R44RAVENII · Engine (Reciprocating)
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