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 YV3R2020071400300Controller · inoperativeCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 WAS DEFECTIVE, INOPERATIVE.Jul 8, 2020 · Robsin R44RAVENII · Engine Indicating SystemSDR YV3R2020070700298Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 WAS DEFECTIVE.Jul 1, 2020 · N43926 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2020070700293Detector · inoperativeCUSTOMER REPORTED CARBON MONOXIDE DETECTOR P/N: C696-1 WAS INOPERATIVE.Jun 22, 2020 · Robsin R44RAVENII · Detection SystemSDR YV3R2020062700290Tachometer · erraticCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE WAS ERRATIC.Jun 18, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020070700294Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 WAS INOPERATIVE.Jun 16, 2020 · N63BK · Robsin R44RAVENII · Main Rotor Indicating SystemSDR EVGR202006240001Bearing · leakingP/N C647-8 TAIL ROTOR DRIVE SHAFT DAMPER BEARING WAS FOUND TO BE LEAKING GREASE AT A SCHEDULED INSPECTION. PART TOTAL TIME IS 231.2 HRS AND WAS INSTALLED NEW IN MARCH 2019 AT THE OVERHAUL OF THE HELICOPTER. THIS BEARING IS THE SUBJECT OF R44 SB-92A WHICH REQJun 15, 2020 · N44KV · Robsin R44RAVENII · Tail Rotor Drive ShaftSDR YV3R2020062700289Controller · inoperativeCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 INOPERATIVE.Jun 15, 2020 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2020070700295Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 RIGHT COLUMN SPRING DOES NOT OPERATE.Jun 15, 2020 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2020062400283Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 FAILED.Jun 10, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020060300280Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY PN C792-4 ROTOR NEEDLE WAS MALFUNCTIONING.May 24, 2020 · N703CC · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020052900274Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 WAS DEFECTIVE.May 18, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020052800267Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE INCORRECTLY WORKING.May 14, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020052000264Tachometer · erraticCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 MAIN ROTOR RPM NEEDLE WAS ERRATIC.Apr 29, 2020 · N63BK · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020052900268Probe · inoperativeCUSTOMER REPORTED CYLINDER HEAD TEMPERATURE PROBE P/N: 3080-38 WAS INOPERATIVE.Apr 29, 2020 · Robsin R44RAVENII · Cylinder Head Temperature (CHT) Indicating SystemSDR YV3R2020052900269Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE STICKS.Apr 29, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020051800259Governor · inoperativeCUSTOMER REPORTED CONTROLLER CONTROL ASSEMBLY P/N: D278-2 QUIT WORKING DURING POST-OVERHAUL GROUND RUNS.Apr 28, 2020 · N54GA · Robsin R44RAVENII · Turbine GovernorSDR YV3R2020050900253Governor · erraticCUSTOMER REPORTED GOVERNOR ASSEMBLY P?N: D278-2 WAS ERRATIC IN OPERATION, DROPS RPM WITH COLLECTIVE INPUT.Mar 5, 2020 · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2020050900254Detector · intermittentCUSTOMER REPORTED CARBON MONOXIDE DETECTOR P/N: C696-1, HAD AN INTERMITTENT LIGHT IN FLIGHT.Mar 5, 2020 · Robsin R44RAVENII · Detection SystemSDR YV3R2020003070244Collector · bulgedCUSTOMER REPORTED EXHAUST COLLECTOR P/N: C169-6 WAS BULGING (HOT SPOT).Feb 19, 2020 · Robsin R44RAVENII · Engine Collector/Tailpipe/NozzleSDR YV3R2020030600247Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R MAIN ROTOR TACHOMETER NEEDLE IS INTERMITTENT.Feb 11, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020030700248Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R MAIN ROTOR NEEDLE IS INTERMITTENT.Feb 11, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020050900256Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE IN INTERMITTENT.Feb 2, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020210200237Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R REPLACEMENT INOPERATIVE. RHC BENCH CHECKED UNIT FOR OPERATION, ROTOR NEEDLE WAS FOUND STICKING.Jan 28, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020021120241Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 INOPERATIVE.Jan 28, 2020 · N4126A · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R202002110243Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 IS DEFECTIVE.Jan 28, 2020 · N58LE · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020012820236Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: DC792-4R IS UNSERVICEABLE. OPERATIONAL CHECK REVEALED ENGINE NEEDLE WAS STICKING.Jan 18, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020012020233Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R TACHOMETER NEEDLE STUCK.Jan 13, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020012020231Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE INDICATION FAILED.Jan 8, 2020 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2020012020222V-Belt · failedCUSTOMER REPORTED V-BELT SET P/N: A190-3 SNAPPED.Dec 14, 2019 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R201912100221Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE RPM NEEDLE STICKS.Dec 3, 2019 · N25ZF · Robsin R44 · Main Rotor SystemSDR 2022FA0000522Exhaust Valve · brokenENGINE BEGAN TO RUN ROUGH ON DECENT FOR LANDING. THE HELICOPTER LANDED NORMALLY AT THE LANDING ZONE WITH EXCESSIVE MANIFOLD PRESSURE. WHEN THE THROTTLE WAS REDUCED TO IDLE THE ENGINE STOPPED RUNNING. EXHAUST VALVE STEM BROKE AT BELL CURVE. SEVERE CYLINDER DAMNov 4, 2019 · N7197V · Robsin R44RAVENII · Reciprocating Engine Cylinder SectionSDR YV3R2019110120212Spring · malfunctionedCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2, ENGAGEMENT SPRING FAILURE.Oct 24, 2019 · Robsin R44RAVENII · Main Rotor Drive SystemSDR YV3R2019102500209Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 MAIN ROTOR NEEDLE DROPS/FAILS INTERMITTENTLY.Oct 21, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019102520211Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R IS INOPERATIVE.Oct 21, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019102320204Tachometer · stickingCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR RPM NEEDLE STICKS BETWEEN 70-80% INDICATED.Oct 10, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019101220199Tach Generator · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: ROTOR NEEDLE IS NOT WORKING.Oct 3, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019092400195Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R ENGINE RPM NEEDLE DOES NOT REGISTER.Sep 18, 2019 · N322WB · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019092000188Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE IS MALFUNCTIONING.Sep 13, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019091400182Tachometer · inaccurateCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR AND ENGINE NEEDLES JUMPS/BOUNCES ONCE IT REACHES 90%.Sep 12, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019091100181Collector · distortedCUSTOMER REPORTED EXHAUST COLLECTOR P/N: C169-6 IS DISTORTED.Sep 9, 2019 · N957CS · Robsin R44RAVENII · Engine Collector/Tailpipe/NozzleSDR YV3R2019091400183Tachometer · erraticCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE STICKS AND DROPS INTERMITTENTLY UNTIL TAPPED.Sep 4, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019090600179Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R IS INOPERATIVE.Aug 30, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019090600176Tachometer · inaccurateCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R ROTOR AND ENGINE NEEDLES WERE MISMATCHED DURING OPERATION.Aug 28, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019090600177Tachometer · stickingCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE STICKS ON START UP.Aug 28, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019082920168Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER FAILED DURING FIRST TRACK AND BALANCE FLIGHT.Aug 22, 2019 · N557SM · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019082920173Tachometer · inaccurateCUSTOMER REPORTED DUAL TACHOMETER ROTOR NEEDLE IS INACCURATE.Aug 22, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019082920171Tachometer · faultyBENCH CHECK RESULTS: DUAL TACHOMETER ROTOR NEEDLE WAS INOPERATIVE.Aug 21, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR YV3R2019082900167Controller · malfunctionedCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-2 IS INCONSISTENT (MALFUNCTIONING).Aug 20, 2019 · N62HT · Robsin R44RAVENII · Engine RPM Indicating SystemSDR YV3R2019082920170Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER ENGINE NEEDLE IS INOPERATIVE.Aug 20, 2019 · Robsin R44RAVENII · Main Rotor Indicating SystemSDR UPXC2019082100005Intake Valve · fragmentedTHE PILOT HEARD/FELT A POP, HAD AN INCREASE IN VIBRATION, AND A PARTIAL LOSS OF POWER. HE MADE AN EMERGENCY DESCENT TO A POWER ASSISTED LANDING IN THE TUNDRA, UPON LANDING SAW SMOKE COMING FROM THE ENGINE COMPARTMENT. SHUT DOWN AIRCRAFT. SAW OIL IN THE ENGINE Aug 13, 2019 · N555EL · Robsin R44 · Reciprocating Engine Cylinder Section
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