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 YV3R2021062200464Gyro · defectiveCUSTOMER REPORTED DIRECTIONAL GYRO P/N: B823-18 WILL NOT POWER UP.Jun 9, 2021 · Robsin R44RAVENII · Directional Gyro and Indicating SystemSDR YV3R2021060900460Governor · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 WAS INTERMITTENT.May 27, 2021 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2021052800456Controller · failedCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 FAILED IN FLIGHT.May 13, 2021 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2021052800454Indicator · defectiveCUSTOMER REPORTED AIRSPEED INDICATOR P/N: C599-1 NEEDLE WAS ERRATIC.May 11, 2021 · N42127 · Robsin R44 · Airspeed/Mach IndicatorSDR YV3R2021052800455Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 WAS INOPERATIVE.May 11, 2021 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2021031300448V-Belt · defectiveCUSTOMER REPORTED V-BELT SET P/N: A190-3 OUTER SKIN OF BELT SEPARATED.Mar 5, 2021 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2021022200439V-Belt · splitCUSTOMER REPORTED V-BELT SET P/N: A190-3 BANDING MATERIAL SPLIT BETWEEN BELTS.Feb 20, 2021 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2021030300443Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR RPM NEEDLE DROPS AFTER A WHILE OF OPERATION.Feb 20, 2021 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2021030300441Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 WAS REMOVED DO TO BELT FAILURE.Feb 18, 2021 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2021022200438Governor · defectiveCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: B247-5 WAS INTERMITTENT.Feb 16, 2021 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2021012200426Arm · brokenCUSTOMER REPORTED ARM (ALTERNATOR ADJUSTMENT) P/N: D728-1 WAS BROKEN.Jan 19, 2021 · N930DK · Robsin R44RAVENII · Fuselage Main, StructureSDR YV3R2021012500428Pump · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX HYDRAULIC PUMP P/N: D500-1 WAS LEAKING AROUND THE CASE (HOUSING). UPON DISASSEMBLY P/N: WHT-81 RETAINING RING WAS MISSING BETWEEN SEALS P/N: C966-7.Jan 13, 2021 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR YV3R2021012700428Pump · defectiveCUSTOMER REPORTED GEARBOX HYDRAULIC PUMP P/N: D500-1 WAS LEAKING AROUND CASE (HOUSING). CORRECTED: UPON FURTHER INVESTIGATION P/N: WHT-81 RETAINING RING MAY HAVE BEEN POTENTIALLY SEPARATED FROM THE REMAINING PARTS DURING DISASSEMBLY AND CLEANING PROCESS. FURJan 13, 2021 · Robsin R44RAVENII · Hydraulic Pump (Electric/Engine), MainSDR YV3R2021012000422Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 DROPS OFF LINE.Jan 7, 2021 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2021010500409O-Ring · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT SPACER O-RING P/N: A215-029 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENII · Main Rotor GearboxSDR YV3R2021010500410O-Ring · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX PINION OUTPUT COVER O-RING P/N: A215-156 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENII · Main Rotor GearboxSDR YV3R2021010500411Seal · leakingCUSTOMER REPORTED MAIN ROTOR GEARBOX OUTPUT SEAL P/N: C966-3 WAS LEAKING.Dec 17, 2020 · N273S · Robsin R44RAVENII · Main Rotor GearboxSDR YV3R2020121500406Dual Tachometer · defectiveCUSTOMER SENT IN DUAL TACHOMETER ASSEMBLY P/N: C792-4 FOR WARRANTY CONSIDERATION. DURING FUNCTION TESTING, ROTOR NEEDLE FAILED AFTER UNIT WARMED UP.Dec 9, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020120200401Arm · brokenCUSTOMER REPORTED ARM (ALTERNATOR ADJUSTMENT) P/N: D728-1 FAILED (BROKEN).Nov 20, 2020 · N930DK · Robsin R44RAVENII · Alternator-Generator DriveSDR YV3R2020112500396Attach Fitting · brokenCUSTOMER REPORTED COMPRESSOR ASSEMBLY (AIR CONDITIONING) P/N: D777-1 HAD A BROKEN ATTACHMENT LUG.Nov 18, 2020 · Robsin R44RAVENII · Cabin Cooling SystemSDR YV3R2020112500395Attach Fitting · brokenCUSTOMER REPORTED COMPRESSOR ASSEMBLY (AIR CONDITIONING) P/N: D777-1 HAD A BROKEN ATTACHMENT LUG.Nov 13, 2020 · Robsin R44RAVENII · Cabin Cooling SystemSDR YV3R2020120200397Gearbox · defectiveCUSTOMER REPORTED TAIL ROTOR GEARBOX P/N: C021-1 CHIP LIGHT ILLUMINATED, AND UPON INSPECTION AN OVERSIZED CHIP WAS FOUND.Nov 12, 2020 · Robsin R44RAVENII · Tail Rotor GearboxSDR YV3R2020111000379Dual Tachometer · defectiveROBINSON HELICOPTER FOUND DURING TROUBLESHOOTING DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE WAS INOPERATIVE.Nov 2, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020102200371Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE PEGS FULL SCALE WITH POWER APPLIED.Oct 19, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020102200372Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4. OPERATION IS VERY ERRATIC THEN DOESN'T WORK.Oct 19, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020102200373Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ENGINE RPM NEEDLE IS MALFUNCTIONING.Oct 19, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020102200369Arm · brokenCUSTOMER REPORTED ARM P/N: D728-1 BROKE (ALTERNATOR ADJUSTMENT ARM).Oct 13, 2020 · N930DK · Robsin R44RAVENII · DC Generator-AlternatorSDR YV3R2020101400363Dual Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 WAS INTERMITTENT.Oct 8, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020101400364Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE WAS DROPPING OFF IN FLIGHT.Oct 8, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020100900358Dual Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 FAILED.Oct 6, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020100900359Dual Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 FAILED.Oct 6, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020101400360Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 WAS DEFECTIVE.Oct 6, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020092900354Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 PEGGED FULL DEFLECTION WITH POWER APPLIED. **COULD NOT LOCATE A/C**Sep 19, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020092400353Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE NEEDLE PINNED AT TOP OF SCALE WITH POWER ON.Sep 17, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020091700352Dual Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE INDICATION FAILED.Sep 15, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020091700351Dual Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE IS INOPERATIVE.Sep 14, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020091700346Pitch Control · defectiveCUSTOMER REPORTED TAIL ROTOR PITCH CONTROL P/N: C031-1 HAD AN UNUSUAL BEARING NOISE AFTER ENGINE SHUT DOWN, WHILE DRIVE TRAIN STILL RUNNING.Sep 11, 2020 · Robsin R44RAVENII · Tail Rotor Control SystemSDR YV3R2020091700347Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE ERRATIC.Sep 11, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020091600342Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 NEEDLES WERE ERRATIC AND BINDING HALF WAY UP THE SCALE.Aug 28, 2020 · N723RG · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020090200339Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ENGINE TACHOMETER NEEDLE IS INOPERATIVE.Aug 26, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020082800334Controller · defectiveCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 DOES NOT STOP AT 104% RPM.Aug 21, 2020 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2020082000328Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 NEEDLES ARE STICKY UPON START-UP, AND LAGS WHEN THROTTLE IS INCREASED.Aug 17, 2020 · N4520X · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020082000329Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 STOPPED WORKING.Jul 31, 2020 · N536SH · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020081100314Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE DROPS OFF INTERMITTENTLY.Jul 28, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020081100316Actuator · inoperativeCUSTOMER REPORTED ACTUATOR ASSEMBLY SPRINGS FAIL TO ENGAGE SWITCHES.Jul 28, 2020 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2020081100312Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 DOESN'T WORK CORRECTLY.Jul 27, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020081100309Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE DROPS INTERMITTENTLY.Jul 23, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020081100310Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR RPS IS INTERMITTENT.Jul 23, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020081100311Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: ENGINE NEEDLE PEGS WHEN POWER IS APPLIED.Jul 23, 2020 · N197SU · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020072000302Tachometer · erraticCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE WAS ERRATIC.Jul 11, 2020 · Robsin R44RAVENII · Main Rotor Indicating System
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