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 YV3R2021012000423Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: ROTOR NEEDLE WAS INTERMITTENT.Jan 7, 2021 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2021011100419Shield · crackedCUSTOMER REPORTED EXHAUST SHIELD ASSEMBLY P/N: D314-1 WAS CRACKED.Jan 7, 2021 · Robsin R44 · Engine Exhaust SystemSDR YV3R2021012000421Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE GOES FULL SCALE.Jan 6, 2021 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2021010700414Dual Tachometer · reads lowCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C972-4 RPM NEEDLE READS LOW (INACCURATE).Dec 18, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2021010500412Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE WAS UNSERVICEABLE.Dec 18, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020121500407Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-5 ROTOR NEEDLES WERE MISALIGNED AT 80%.Dec 10, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020121100404Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE DROPS OFF LINE.Dec 2, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020121100402Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-5 ENGINE RPM INDICATION FLUCTUATES AT 100%.Nov 17, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020111900392Horn · inoperativeCUSTOMER REPORTED HORN ASSEMBLY P/N: B320-6 IS INOPERATIVE.Nov 13, 2020 · Robsin R44 · Rotor Drive Indicating SystemSDR YV3R2020111800388Terminal · looseCUSTOMER REPORTED SWITCHES ASSEMBLY (ACTUATOR ASSEMBLY) P/N: C053-2 HAD A LOOSE SWITCH TERMINAL.Nov 13, 2020 · Robsin R44 · Main Rotor System WiringSDR YV3R2020111800387Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE STUCK INTERMITTENTLY.Nov 13, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020111400384Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE DROPS DOWN TO 90% IN FLIGHT.Nov 5, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020111400383Dual Tachometer · failedCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 FAILED.Nov 5, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020111000381Actuator · failedCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-1 SPRING SWITCH FAILED.Nov 5, 2020 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2020112100393Arm · brokenMAINTENANCE DISCOVERED ARM (ALTERNATOR ADJUSTMENT) BROKEN DURING 100 HOUR/ANNUAL INSPECTION.Nov 2, 2020 · N171WC · Robsin R44 · DC Generator-AlternatorSDR YV3R2020111000378Controller · defectiveCUSTOMER REPORTED GOVERNOR CONTROLLER ASSEMBLY P/N: B286-2 FAILS TO GOVERN THROTTLE.Nov 2, 2020 · Robsin R44 · Engine Indicating SystemSDR YV3R2020102900376Altimeter · defectiveCUSTOMER REPORTED ALTIMETER INDICATOR P/N: A613-1 WAS INOPERATIVE, NEEDLE WILL NOT MOVE.Oct 26, 2020 · N246LC · Robsin R44 · Altimeter, Barometric/EncoderSDR YV3R2020102900375Gauge · defectiveCUSTOMER REPORTED M.A.P GAGE P/N: A600-4 WAS ERRATIC, AND SLOW TO CHANGE DURING POWER CHANGES.Oct 21, 2020 · N299HE · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020102900374Gauge · faultyCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE P/N: A600-7 INDICATED INCORRECTLY (FAULTY READING).Oct 21, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020101400367Panel · crackedCUSTOMER REPORTED ENGINE PANEL P/N: C310-2 WAS CRACKED.Oct 8, 2020 · Robsin R44 · Engine Cooling SystemSDR YV3R2020100900357Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE HAD AN INCORRECT RPM INDICATION.Sep 30, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020091700347Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE ERRATIC.Sep 11, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020091600344Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE WAS ERRATIC.Sep 9, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020091600343Dual Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-5 WAS NOT RESPONDING.Sep 8, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020090200338Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE STICKING.Aug 21, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020090200337Tachometer · defectiveCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE PEGS AT FULL DEFLECTION WHEN POWER IS APPLIED.Aug 21, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020081100313Tachometer · intermittentCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 RPM NEEDLE IS INTERMITTENT.Jul 28, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020070700298Actuator · defectiveCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 WAS DEFECTIVE.Jul 1, 2020 · N43926 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2020070700292Tachometer · malfunctionedCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 ROTOR NEEDLE IS INDICATING 90% (LOW) AT 100%.Jun 22, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020062700288Gauge · faultyCUSTOMER REPORTED M.A.P GAGE P/N: A600-4 HAD A FALSE INDICATION.Jun 15, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR 2020FA0000280Gearbox · making metalDURING THE ANNUAL INSPECTION OF THE AIRCRAFT, IT HAS BEEN FOUND MAGNETIC PARTICLES ON THE MGB DETECTOR CHIP. THE QUANTITY OF MAGNETIC PARTICLES IS HIGH, BUT THE LIGHT OF THE DETECTOR WAS NOT ON, ALTHOUGH IT HAS BEEN CHECKED THAT IT WORKS. ACCORDING TO THE SIJun 4, 2020 · Robsin R44 · Main Rotor GearboxSDR YV3R2020060300281Seal · leakingCUSTOMER REPORTED TAIL ROTOR GEARBOX PN C021-1 INPUT SEAL WAS LEAKING.May 27, 2020 · N4876J · Robsin R44 · Tail Rotor GearboxSDR YV3R2020052900275Probe · inoperativeCUSTOMER REPORTED CARBURETOR AIR TEMPERATURE PROBE P/N: A058-10 WAS INOPERATIVE.May 20, 2020 · N4055K · Robsin R44 · Ice DetectionSDR YV3R2020070700296Actuator · inoperativeCUSTOMER REPORTED ACTUATOR ASSEMBLY P/N: C051-2 RIGHT COLUMN SPRINGS FAILED TO OPERATE.May 11, 2020 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2020060400282Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR RPM NEEDLE IS INOPERATIVE.May 11, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020060300278Gauge · defectiveCUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 INDICATION WAS OUT OF LIMITS.May 11, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020052900272Controller · inaccurateCUSTOMER REPORTED CONTROLLER ASSEMBLY P/N: D278-1 GOVERNED INCORRECT RPM.May 11, 2020 · Robsin R44 · Engine RPM Indicating SystemSDR YV3R2020052900271Gauge · defectiveCUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-7 NEEDLE IS STUCK INDICATING 10".May 1, 2020 · N888SN · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020052900270Gauge · inaccurateCUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE P/N: A600-4 WAS ERRATIC AND LAGS.May 1, 2020 · Robsin R44 · Manifold Pressure (MP) IndicatingSDR YV3R2020051800260Horn · inoperativeCUSTOMER REPORTED HORN ASSEMBLY P/N: B320-6 IN INOPERATIVE.May 1, 2020 · N888SN · Robsin R44 · Rotor Drive Indicating SystemSDR YV3R2020052000263Warning Horn · inoperativeCUSTOMER REPORTED LOW WARNING R.P.M WARNING HORN P/N: B320-6 WAS INOPERATIVE.Apr 29, 2020 · N888SN · Robsin R44 · Rotor Drive Indicating SystemSDR YV3R2020071600301Sending Unit · defectiveCUSTOMER REPORTED SENDER P/N: B308-1 IS UNDER READING OIL PRESSURE 15 PSI.Apr 28, 2020 · Robsin R44 · Engine Oil PressureSDR YV3R2020052000262Tachometer · inoperativeCUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 WAS INOPERATIVE.Apr 28, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020050900258Elastomer · defectiveCUSTOMER REPORTED BEARING, ELASTOMER P/N: B361-2 HAD A CRACK IN THE RUBBER BETWEEN ELASTOMER AND CASE.Apr 28, 2020 · Robsin R44 · Tail Rotor HeadSDR YV3R2020052000261Warning Horn · inoperativeCUSTOMER REPORTED LOW R.P.M WARNING HORN P/N: B320-6 WAS INOPERATIVE.Apr 21, 2020 · N888SN · Robsin R44 · Rotor Drive Indicating SystemSDR YV3R2020062700284Actuator · defectiveCUSTOMER REPORTED CLUTCH ASSEMBLY P/N: C051-1 COLUMN SPRING SWITCHES FAILED TO ACTUATE SIMULTANEOUSLY.Apr 7, 2020 · Robsin R44 · Main Rotor Drive SystemSDR YV3R2020050900255Governor · erraticCUSTOMER REPORTED GOVERNOR ASSEMBLY P/N: D278-1 WAS HUNTING DURING SUBTLE IN CRUISE FLIGHT, AND ERRATIC OUT OF GROUND EFFECT.Mar 17, 2020 · N7119U · Robsin R44 · Engine RPM Indicating SystemSDR YV3R2020050900252Tachometer · sticksCUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R HAD A STICKY NEEDLE.Mar 2, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020050900251Warning Unit · inoperativeCUSTOMER REPORTED LOW RPM WARNING UNIT P/N: A569-9 WAS INOPERATIVE.Feb 28, 2020 · Robsin R44 · Main Rotor Indicating SystemSDR YV3R2020030600246Bearing · defectiveCUSTOMER REPORTED BEARING ASSEMBLY P/N: C647-8 SEAL IS SPINNING IN HOUSING.Feb 19, 2020 · Robsin R44 · Tail Rotor Drive Shaft
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