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 CA120229004Servo · leaking(CAN) DURING 50/100 HOUR INSPECTION THE AFT HYDRAULIC SERVO WAS FOUND LEAKING. HYDRAULIC SERVO REPLACED.Jan 30, 2012 · Robsin R44RAVENII · Hydraulic System, MainSDR CA120204003Pump · leaking(CAN) DURING THE 100 HOUR INSPECTION THE FUEL PUMP WAS FOUND TO BE LEAKING OIL. FUEL PUMP REPLACED.Jan 22, 2012 · Robsin R44RAVENII · Fuel Boost PumpSDR CA120204002Magneto · failed(CAN) PILOT REPORTED AN UNCOMMANDED THROTTLE INCREASE IN FLIGHT. MAGNETO REPLACED.Jan 12, 2012 · Robsin R44RAVENII · Magneto/DistributorSDR CA120104003Terminal · loose(CAN) STARTER TERMINAL WAS FOUND LOOSE DURING 50 HOUR INSPECTION. STARTER REPLACED.Dec 17, 2011 · Robsin R44RAVENII · Electrical Power System WiringSDR CA111217001Intake Valve · failed(CAN) DURING CRUISE FLIGHT APPROXIMATELY 2.5NM, ENGINE BEGAN VIBRATING WITH YAW INDICATING POWER LOSS. EMERGENCY DECENT INITIATED ANDWAS CONTACTED FOR LANDING CLEARANCE. ENGINE MAINTAINED RPM IN DESCENT AND A NO HOVER LANDING WAS CARRIED OUT TO THE APRON. TRODec 15, 2011 · Robsin R44RAVENII · Reciprocating Engine Cylinder SectionSDR CA111215005Distributor Blk · cracked(CAN) FACTORY DISTIBUTOR BLOCK FOUND CARCKED AT THE BUSHING ON A 500 HR INSPECTION. THIS IS THE FIRST INSPECTION SINCE MAGNETO WAS REBUILT BY THE FACTORY.Dec 8, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA111212016Starter Gen · faulty(CAN) STARTER WOULD ENGAGE, BUT WOULD NOT ROTATE. STARTER REPLACED.Dec 5, 2011 · Robsin R44RAVENII · Starter-GeneratorSDR CA111214010Bearing · broken(CAN) DURING REMOVAL OF THE LT MAGNETO FOR INSPECTION, THE BEARING IN THE GEAR RETAINER ASSEMBLY WAS FOUND TO HAVE COME APART INTO SEVERAL PIECES. BEARING REPLACED.Dec 3, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA120126014Bearing · worn(CAN) MAGNETO WAS REMOVED FOR 500 HOUR INSPECTION. UPON REMOVAL, CUSTOMER NOTICED ROTATING MAGNET FELT ROUGH WHEN SPUN BY HAND. WE RECEIVED AND INSPECTED THE MAGNETO AND FOUND END PLAY BETWEEN THE BEARINGS. THE DRIVE END BEARING HAD PITTING AND DAMAGE ON THDec 3, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA111212007Pump · failed(CAN) AUXILIARY FUEL PUMP WARNING LIGHT CAME ON & CB TRIPPED. AUXILIARY FUEL PUMP REPLACED.Dec 2, 2011 · Robsin R44RAVENII · Fuel Boost PumpSDR CA111212008Starter · weak(CAN) WEAK STARTING. STARTER REPLACED.Dec 1, 2011 · Robsin R44RAVENII · Engine StarterSDR CA111208005Clutch · broken(CAN) CLUTCH ACTUATOR MOTOR FOUND UNSERVICEABLE DURING 100 HR INSPECTION. MOTOR CASE SPINS FREELY WITH SET SCREW INSTALLED. SAFETY CABLE BROKEN. CLUTCH ACTUATOR REPLACED.Nov 23, 2011 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA111208007Pump · tripped(CAN) AUXILIARY FUEL PUMP WARNING LIGHT CAME ON IN FLIGHT AND CIRCUIT BREAKER TRIPPED. REPLACED AUXILIARY FUEL PUMP.Nov 23, 2011 · Robsin R44RAVENII · Fuel Boost PumpSDR CA111208008Solenoid · broken(CAN) HYDRAULIC RESERVOIR SOLENOID FOUND BROKEN DURING 50 HR INSPECTION. HYDRAULIC RESERVOIR REPLACED.Nov 19, 2011 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA111208010Clutch · failed(CAN) PILOT NOTED A SUDDEN YAW MOVEMENT IN FLIGHT AND MECHANICAL NOISE. CLUTCH ASSEMBLY REPLACED.Nov 18, 2011 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA111208017Magneto · failed(CAN) PILOT NOTED A SUDDEN YAW MOVEMENT IN FLIGHT AND MECHANICAL NOISE. MAGNETO R/H WAS INSPECTED AND FOUND TO HAVE A BROKEN TOOTH INSIDE. MAGNET REPALCED.Nov 18, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA111207005Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 100 HOUR INSPECTION. SERVO REPLACED.Nov 16, 2011 · Robsin R44RAVENII · Hydraulic System, MainSDR CA111207009Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING 100 HR INSPECTION. SERVO REPLACED.Nov 16, 2011 · Robsin R44RAVENII · Hydraulic System, MainSDR CA111208018Pump · leaking(CAN) HYDRAULIC PUMP FOUND LEAKING DURING 100 HR INSPECTION. PUMP REPLACED.Nov 15, 2011 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR CA111208019Servo · leaking(CAN) HYDRAULIC SERVO LOWER SLEEVE AND PILOT VALVE FOUND LEAKING DURING 100 HR INSPECTION. SERVO REPLACED.Nov 15, 2011 · Robsin R44RAVENII · Hydraulic System, MainSDR CA111208020Servo · leaking(CAN) HYDRAULIC SERVO LOWER SEAL AND PILOT VALVE FOUND LEAKING DURING 100 HR INSPECTION. SERVO REPLACED. (TC# 20111208020)Nov 15, 2011 · Robsin R44RAVENII · Hydraulic System, MainSDR CA111208021Servo · leaking(CAN) HYDRAULIC SERVO LOWER SEAL AND PILOT VALVE FOUND LEAKING DURING 100 HR INSPECTION. SERVO REPLACED.Nov 15, 2011 · Robsin R44RAVENII · Hydraulic System, MainSDR CA111207003Starter · failed(CAN) STARTER INOPERATIVE. REPLACED STARTER.Nov 10, 2011 · Robsin R44RAVENII · Engine StarterSDR CA111128004Pump · inoperative(CAN) AUXILIARY FUEL PUMP NOT WORKING. REPLACE AUXILIARY FUEL PUMP.Nov 1, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA111128003Pump · leaking(CAN) OIL LEAKING FROM ENGINE DRIVEN FUEL PUMP. FUEL PUMP REPLACED.Oct 22, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA111207004Pump · noisy(CAN) AUXILIARY FUEL PUMP NOISY DURING PRIME. FUEL PUMP REPLACED.Oct 20, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA111117013Servo · leaking(CAN) HYDRAULIC SERVO FOUND LEAKING DURING SCHEDULED AIRCRAFT INSPECTION. HYDRAULIC SERVO REPLACED.Oct 19, 2011 · Robsin R44RAVENII · Rotorcraft Servo SystemSDR CA111117025Arm · stiff(CAN) DURING SCHEDULED INSPECTION OF THE AIRCRAFT, THE FCU MIXTURE ARM WAS FOUND TO BE STIFF AND OPERATION DID NOT IMPROVE AFTER LUBRICATION. FCU REPLACED.Oct 19, 2011 · Robsin R44RAVENII · Fuel Control/Reciprocating EnginesSDR CA111024011Strut · cracked(CAN) NDT INSPECTION WAS PERFORMED AS PART OF THE ACFT 2200 HR O/H. TWO CRACKS WERE FOUND ON CENTER BEAM OF STRUT, STRUT REPLACED.Oct 18, 2011 · Robsin R44RAVENII · Main Landing Gear Strut/Axle/TruckSDR CA111011013Pump · failed(CAN) FUEL FILTER WARNING LIGHT WAS FLICKERING IN FLIGHT. WHEN AME INVESTIGATED FAULT IT WAS FOUND THAT THERE WAS FUEL CONTAMINATION. FUEL SYS WAS DRAINED. ACFT WAS REFUELED AND DURING THE GROUND RUN THE AUX FUEL PUMP WARNING LIGHT WAS FLICKERING. AUX FUEL Sep 24, 2011 · Robsin R44RAVENII · Fuel Boost PumpSDR CA110927007Valve · failed(CAN) WHEN PERFORMING A SCHEDULED 3 YEAR EMERGENCY INFLATION TEST ON POP-OUT FLOAT SYSTEM, THE FLOATS FAILED TO DEPLOY. STIFFNESS IN RELEASE VALVE ALLOWED RELEASE CABLE OUTER SHEATH TO SLIP WITHIN HOLD-DOWN CLAMPS. THIS IN TURN DID NOT ALLOW APPLIED CABLE MOSep 22, 2011 · Robsin R44RAVENII · Wheel/Ski/FloatSDR CA110920009Manifold · cracked(CAN) INTAKE MANIFOLD FOUND CRACKED DURING INSPECTION.Sep 20, 2011 · Robsin R44RAVENII · Engine (Reciprocating)SDR CA110928010Points · worn(CAN) ACFT EXPERIENCED ENGINE AND ROTOR OVERSPEED DUE TO LOSS OF SIGNAL FROM TACH POINTS. THE CAM FOLLOWER ON THE TACH POINTS HAS EXCESSIVE WEAR WHICH DID NOT ALLOW THE CAM TO ACTUATE THE POINTS. THE EXCESSIVE WEAR ON THE TACH POINT CAM FOLLOWER WAS DUE TO LSep 20, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA110927002Actuator · intermittent(CAN) CLUTCH ACTUATOR INTERMITTENT. FOUND INTERMITTENT WIRE CONNECTION TO MOTOR. CLUTCH ACTUATOR REPLACED.Sep 8, 2011 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA110908002Collector · cracked(CAN) EXHAUST COLLECTOR FOUND CRACKED DURING PREFLIGHT INSPECTION.Sep 7, 2011 · Robsin R44RAVENII · Engine Collector/Tailpipe/NozzleSDR CA110928014Pump · noise(CAN) AUXILIARY FUEL PUMP MAKING GROWLING NOISE DURING GROUND RUN FOLLOWING 50 HR INSPECTION AUXILIARY FUEL PUMP REPLACED.Sep 6, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA110927003Starter Gen · failed(CAN) STARTER WOULD NOT ENGAGE. STARTER REPLACED.Sep 4, 2011 · Robsin R44RAVENII · Starter-GeneratorSDR CA110928013Magneto · cracked(CAN) CRACKED INSULATING WASHER FOUND DURING 100 HR INSPECTION OF ACFT. MAGNETO REPLACED.Sep 4, 2011 · Robsin R44RAVENII · Magneto/DistributorSDR CA110902001Starter · failed(CAN) STARTER FAILED TO START ENGINE.Sep 1, 2011 · Robsin R44RAVENII · Engine StarterSDR CA110922012Pump · failed(CAN) AUXILIARY FUEL PUMP WARNING LIGHT ACTIVATED. MAINTENANCE CONFIRMED AUXILIARY FUEL PUMP UNSERVICEABLE. AUXILIARY FUEL PUMP REPLACED.Aug 28, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA110902004Actuator · failed(CAN) CLUTCH ACTUATOR FOUND INOPERABLE DURING GROUND RUN FOLLOWING 50 HR INSPECTION. CLUTCH ACTUATOR REPLACED.Aug 24, 2011 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA110829010Pump · leaking(CAN) ENGINE DRIVEN FUEL PUMP FOUND LEAKING OIL DURING 50 HR INSPECTION. FUEL PUMP REPLACED.Aug 17, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA110823005Window · deformed(CAN) WHILE FLYING STRAIGHT AND LEVEL AT AN INDICATED AIRSPEED OF 87 KNOTS, THE BUBBLE WINDOW FLEW OUT OF THE FWD RT DOOR. THE PILOT SLOWED THE ACFT TO 70 KNOTS AND LANDED WITHOUT FURTHER INCIDENT. DAMAGE WAS FOUND ON THE REAR MIDDLE PORTION OF THE DOOR AT THAug 16, 2011 · Robsin R44RAVENII · Door WindowsSDR CA110829012Pump · failed(CAN) AUX FUEL PUMP FAILED DURING MAIN ROTOR BALANCE RUN UP. AUX FUEL PUMP REPLACED.Aug 12, 2011 · Robsin R44RAVENII · Fuel Boost PumpSDR CA110829007Pump · leaking(CAN) ENGINE DRIVEN FUEL PUMP FOUND LEAKING OIL DURING 100 HR INSPECTION. FUEL PUMP REPLACED.Aug 8, 2011 · Robsin R44RAVENII · Fuel Boost PumpSDR CA110829004Reservoir · venting(CAN) HYD RESERVOIR VENTING FLUID. HYD RESERVOIR REPLACED.Jul 29, 2011 · Robsin R44RAVENII · Hydraulic Reservoir, MainSDR CA110809004Clutch · failedACFT EXPERIENCING SHUTTER, BUFFETING SOUND, SMALL LOSS IN POWER SOMETIMES VERY SMALL OVERSPEED ON ENGINE TACH. CONTACTED MFG AND IT WAS DECIDED THE CLUTCH SHOULD BE REPLACED AS IT WAS TYPICAL WITH OTHER ACFT EXPERIENCING CLUTCH SLIPPAGE. ONCE REMOVED THE CLUTJul 28, 2011 · Robsin R44RAVENII · Engine/Transmission CouplingSDR CA110803021Pump · faultyAUX FUEL PUMP WARNING LIGHT CAME ON IN FLIGHT. AUX FUEL PUMP REPLACED.Jul 26, 2011 · Robsin R44RAVENII · Engine Fuel PumpSDR CA110729002Shaft · corrodedDURING REPLACEMENT OF V-BELT SET IT WAS FOUND THAT THE FANSHAFT ASSY HAD CORROSION AND PITTING ON THE TAPERED SHAFT. CORROSION AND PITTING WAS ALSO NOTED ON THE TAPERED BORE OF THE FANWHEEL ASSY PN: D174-2. FANSHAFT AND FANWHEEL REPLACED.Jul 19, 2011 · Robsin R44RAVENII · Engine Oil CoolerSDR CA100719006Lifter · broken(CAN) A LARGE PIECE OF METAL RESEMBLING THE TIP OF A VALVE GUIDE WAS FOUND INSIDE THE VALVE COVER ON ONE OF THE CYLINDERS DURING A ROUTINE INSPECTION. FURTHER INVESTIGATION WITH A BOROSCOPE CONFIRMED THAT PART OF THE HYD LIFTER BODY HAD BROKEN OFF AND FOUND IJul 15, 2011 · Robsin R44RAVENII · Reciprocating Engine Power Section
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