Robinson Helicopter R44

Service difficulty reports · 447

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 aircraft_model_key = 'R44'
  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 YV3R2020030700245Bearing · defectiveCUSTOMER REPORTED BEARING ASSEMBLY P/N: C647-8 SEAL IS SPINNING IN HOUSING.Feb 19, 2020 · Robsin R44 · Tail Rotor Drive ShaftSDR YV3R202021120242Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE RPM NEEDLE WAS ERRATIC.Jan 28, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R202002100238Gauge · inaccurateCUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4R WAS DEFECTIVE. RHC - BENCH CHECKING FOUND M.A.P GAGE INACCURATE DO TO DAMPENING SCREW OUT OF ADJUSTMENT.Jan 28, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020012820235Gauge · inaccurateCUSTOMER REPORTED MANIFOLD PRESSURE GAUGE HAS AN INACCURATE READING.Jan 18, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R202001200224Tachometer · faultyCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R NEEDLES INDICATES LOW AT FULL THROTTLE AFTER OVERHAUL.Jan 7, 2020 · N683R · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020012020223Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE PEGS OUT.Jan 7, 2020 · N683R · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2021011100416Pump · failedCUSTOMER REPORTED HYDRAULIC PUMP ASSEMBLY P/N: D500-2 FAILED ON FIRST TEST.Jan 6, 2020 · Robsin R44 · Hydraulic Pump (Electric/Engine), MainSDR YV3R201912100221Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE RPM NEEDLE STICKS.Dec 3, 2019 · N25ZF · Robsin R44 · Main Rotor SystemSDR YV3R201912100219Gauge · erraticCUSTOMER REPORTED CARBURETOR AIR TEMPERATURE GAUGE (CAT) P/N: C604-8 NEEDLE IS ERRATIC.Nov 22, 2019 · Robsin R44 · Engine Temperature Indicating SystemSDR YV3R201912100218Sensor · malfunctionedCUSTOMER REPORTED SENSOR ASSEMBLY P/N: G768-3 (AUXILIARY FUEL PUMP) LIGHT FLICKERS.Nov 21, 2019 · N250TH · Robsin R44 · Engine Fuel and ControlSDR YV3R2019012200217Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE ROTOR NEEDLE DOES NOT WORK.Nov 21, 2019 · Robsin R44 · Main Rotor Indicating SystemSDR 2022FA0000444Intake Valve · burnedPARTIAL LOSS OF POWER. TAKE FOR ANNUAL, COMPRESSIONS WERE LOW, INTAKE VALVES BURNED WITH METAL IN OIL. BORE SCOPED CYLINDERS. ENGINE WAS REMOVED AND SHIPPED TO LYCOMING. EXCESSIVE WEAR WAS NOTED ON ROCKER ARMS, PUSHRODS AND ROCKER SHAFTS OF ALL CYLINDERS. CYLIOct 28, 2019 · N41LY · Robsin R44 · Reciprocating Engine Cylinder SectionSDR YV3R2019012320203Bearing · roughCUSTOMER REPORTED TAIL ROTOR PITCH CONTROL P/N: C031-1 HAS ROUGH BEARINGS.Oct 8, 2019 · Robsin R44 · Tail Rotor Control SystemSDR YV3R2019101220201Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R WILL NOT ADJUST TO ENGINE RPM.Oct 8, 2019 · N4078N · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019101220200Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: ROTOR NEEDLE JUMPS AND THEN GOES INOPERATIVE.Oct 5, 2019 · N449BA · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019101220198Bearing · failedCUSTOMER REPORTED TAIL ROTOR PITCH CONTROL P/N: C031-1 HAS ROUGH BEARINGS.Oct 3, 2019 · Robsin R44 · Tail Rotor HeadSDR YV3R2019092400196Gauge · inaccurateCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (MAP) P/N: A600-7 NEEDLE STICKS, JUMPS, AND READS LOW.Sep 18, 2019 · N250TH · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2019092000190Controller · unserviceableCUSTOMER REPORTED CONTROLLER ASSEMBLY D278-1 IS UNSERVICEABLE.Sep 14, 2019 · Robsin R44 · Engine RPM Indicating SystemSDR YV3R2019092000189Gauge · malfunctionedCUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 IS ERRATIC/MALFUNCTIONING.Sep 14, 2019 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2019091400186Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE NEEDLE IS NOT FUNCTIONING.Sep 9, 2019 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019091400185Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-1 COLUMN SPRINGS MECHANISM IS DEFECTIVE.Sep 9, 2019 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2019091400184Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 COLUMN SPRINGS ARE NOT SNAPPING (RELEASE) ON ENGAGEMENT.Sep 9, 2019 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2019082920172Tachometer · inaccurateAFTER BENCH CHECK: DUAL TACHOMETER ROTOR NEEDLE IS INACCURATE AFTER WARMING UP.Aug 21, 2019 · N44FE · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019090600175V-Belt · unserviceableCUSTOMER REPORTED V-BELT SET P/N: A190-3 IS UN-AIRWORTHY.Aug 20, 2019 · N570WH · Robsin R44 · Main Rotor Drive 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 SectionSDR YV3R2019081522163Gauge · inaccurateCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAUGE IS NOT READING CORRECTLY.Aug 2, 2019 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2019081522161Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER ROTOR NEEDLE DROPS INTERMITTENTLY AND READS INCORRECT ROTOR RPM.Aug 2, 2019 · N211TB · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019081522160Actuator · malfunctionedCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-1 WAS MALFUNCTIONING.Aug 2, 2019 · N44FE · Robsin R44 · Main Rotor Drive SystemSDR YV3R2019012200159Tachometer · erraticDUAL TACHOMETER ENGINE RPM NEEDLE ERRATIC.Jul 29, 2019 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019012200158Servo · leakingHYDRAULIC SERVO ASSEMBLY WAS LEAKING FLUID FROM SIDE COVER.Jul 29, 2019 · Robsin R44 · Hydraulic System, MainSDR YV3R2019012200157Tachometer · faultyDUAL TACHOMETER ROTOR NEEDLE RPM IS FAULTY.Jul 29, 2019 · N240RM · Robsin R44 · Main Rotor Indicating SystemSDR YV3R201908022153Gearbox · failedCUSTOMER REPORTED INTERNAL GEARBOX P/N: C006-8 FAILURE AT INPUT BEARING.Jul 23, 2019 · Robsin R44 · Main Rotor GearboxSDR YV3R2019080220151Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ENGINE ROTOR NEEDLE FAILED IN FULL DOWN DEFLECTION IN FLIGHT.Jul 17, 2019 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019071900149Motor · seizedCUSTOMER REPORTED ACTUATOR GEARMOTOR ASSEMBLY P/N: D276-3 SEIZED.Jul 17, 2019 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2019080220150Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE WAS INOPERATIVE.Jul 16, 2019 · N597SA · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019071900148Servo · leakingCUSTOMER REPORTED HYDRAULIC SERVO P/N: D212-1 IS LEAKING.Jul 15, 2019 · Robsin R44 · Main Rotor ControlSDR YV3R2019071900147Servo · leakingCUSTOMER REPORTED HYDRAULIC SERVO P/N: D212-1 IS LEAKING FROM CONTROL VALVE SIDE PLATES.Jul 15, 2019 · Robsin R44 · Main Rotor ControlSDR YV3R2019071900146Servo · leakingCUSTOMER REPORTED HYDRAULIC SERVO P/N: D212-1 IS LEAKING FROM CONTROL VALVE SIDE PLATES.Jul 15, 2019 · Robsin R44 · Main Rotor ControlSDR YV3R2019071900145Servo · leakingCUSTOMER REPORTED HYDRAULIC SERVO P/N: D212-1 IS LEAKING FROM CONTROL VALVE SIDE PLATES.Jul 15, 2019 · Robsin R44 · Main Rotor ControlSDR YV3R201906272135Connector · inoperativeCUSTOMER REPORTED CONNECTOR ASSEMBLY P/N: F628-3 INERTIA REEL IS INOPERATIVE.Jun 24, 2019 · Robsin R44 · Emergency EquipmentSDR YV3R2019062720134Bearing · defectiveCUSTOMER REPORTED BEARING ASSEMBLY DUST SHIELD SPINS IN BEARING HOUSING P/N: C172-1.Jun 24, 2019 · Robsin R44 · Tail Rotor Drive ShaftSDR YV3R201906200122Gauge · sluggishCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE READS 1 INCH LOW AND SLUGGISH.Jun 10, 2019 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R201906200121Gauge · sluggishCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE IS SLUGGISH.Jun 10, 2019 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2019012200113Alternator · defectiveCUSTOMER REPORTED ALTERNATOR ASSEMBLY P/N: D748-6 HAS AN INTERNAL SHORT/OPEN CIRCUIT.Jun 4, 2019 · Robsin R44 · DC Generator-AlternatorSDR YV3R2019060622111Alternator · inoperativeCUSTOMER REPORTED ALTERNATOR WAS NOT PRODUCING CHARGING CURRENT.Jun 4, 2019 · Robsin R44 · DC Generator-AlternatorSDR YV3R2019060520109Gauge · reads lowCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (MAP) P/N: A600-7 READS LOW.May 30, 2019 · N4053T · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2019060520108Tach Generator · reads highCUSTOMER SUBMITTED DUAL TACHOMETER P/N: C792-4 FOR WARRANTY CLAIM. FINDINGS: ENGINE AND ROTOR NEEDLES ARE READING HIGH.May 30, 2019 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2019060422103Bearing · malfunctionedCUSTOMER REPORTED BEARING P/N: C647-8 DUST SEAL SPINS WITH SHAFT.May 24, 2019 · Robsin R44 · Tail Rotor Drive ShaftSDR YV3R2019052400096Bearing Seal · unserviceableCUSTOMER REPORTED MAIN ROTOR SWASHPLATE P/N: C017-6 BEARING SEALS ARE UNSERVICEABLE.May 23, 2019 · Robsin R44 · Main Rotor Mast/SwashplateSDR YV3R2019052400095Gauge · defectiveCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAUGE P/N: A600-7 IS DEFECTIVE.May 23, 2019 · N7QH · Robsin R44 · Manifold Pressure (MP) Indicating
Back to Robinson Helicopter R44