Bell 412

Service difficulty reports · 4,516

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 = '412'
  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 HEEA084977Bearing · wornWORN BEARINGS. REPAIRED.Feb 27, 2003 · N5759N · Bell 412 · Main Rotor ControlSDR HEEA084976Bearing · wornCOLLECTIVE UNIVERSAL HAS WORN BEARINGS. REPAIRED.Feb 27, 2003 · N7128R · Bell 412 · Main Rotor ControlSDR HEEA084975Bearing · wornCOLLECTIVE UNIVERSAL HAS WORN BEARINGS. REPAIRED.Feb 27, 2003 · N107X · Bell 412 · Main Rotor ControlSDR HEEA084974Crosstube · damagedMLG CROSSTUBE DAMAGED BEYOND LIMITS. SCRAPPED.Feb 27, 2003 · N3893P · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084973Crosstube · failedMLG CROSSTUBE FAILED DEFLECTION CHECK. SCRAPPED.Feb 27, 2003 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084972Crosstube · damagedMLG CROSSTUBE HAS MECHANICAL DAMAGE BEYOND LIMITS. SCRAPPED.Feb 27, 2003 · N2148K · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084971Cap · wornMLG CROSSTUBE CAP RUBBER WORN. REPAIRED.Feb 27, 2003 · N22347 · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084970Cap · wornMLG CROSSTUBE CAP RUBBER WORN. REPAIRED.Feb 27, 2003 · N2149S · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084969Cap · wornMLG CROSSTUBE CAP RUBBER WORN. REPAIRED.Feb 27, 2003 · N142PH · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084968Cap · wornCROSSTUBE CAP RUBBER WORN. REPAIRED.Feb 27, 2003 · N2149S · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084967Cap · wornCROSSTUBE CAP RUBBER WORN. REPAIRED.Feb 27, 2003 · N5759N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084966Bearing · roughMAIN ROTOR HEAD PENDULUM ASSY BEARING ROUGH. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA084965Bearing · wornMAIN ROTOR HEAD BEARING WORN. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA084964Bearing · wornMAIN ROTOR HEAD BEARING WORN. REPAIRED.Feb 27, 2003 · N5759N · Bell 412 · Main Rotor HeadSDR HEEA084963Bearing · roughMAIN ROTOR HEAD BEARING ROUGH. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA084962Bearing · roughMAIN ROTOR HEAD BEARING ROUGH. REPAIRED.Feb 27, 2003 · N6559Z · Bell 412 · Main Rotor HeadSDR HEEA084961Computer · malfunctionedNR 1 HELIPILOT COMPUTER PITCH HARDOVER. REPAIRED.Feb 27, 2003 · N2258F · Bell 412 · Autopilot ComputerSDR HEEA084960Computer · malfunctionedAFCS COMPUTER PITCH CHANNEL MOVES FORE/AFT WITHOUT PILOT INPUT. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Autopilot ComputerSDR HEEA084959Computer · damagedAFCS COMPUTER PIN BROKEN ON CONNECTOR "B".Feb 27, 2003 · N5759N · Bell 412 · Autopilot ComputerSDR HEEA084958Computer · malfunctionedAFCS COMPUTER NR 1 PITCH MOTORS ALL THE WAY UP IN SAS MODE.Feb 27, 2003 · N2258F · Bell 412 · Autopilot ComputerSDR HEEA084957Control Unit · splitTORQUE SPLITS. FOUND LEAKING SERVO VALVES. REPLACED VALVES AND LEVER. TESTED SATISFACTORY.Feb 27, 2003 · N5759N · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084956Control Unit · oscillatesTORQUE CONTROL UNIT CAUSES ENGINE OSCILLATIONS AND TORQUE ACCELERATIONS. COULD NOT DUPLICATE OSCILLATION. UNIT NEEDED MINOR TRIM ADJUSTMENTS. TESTED SATISFACTORY.Feb 27, 2003 · N142PH · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084955Control Unit · oscillatesTORQUE CONTROL UNIT CREATES TORQUE OSCILLATIONS.Feb 27, 2003 · N3893P · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084954Control Unit · splitTORQUE SPLITS AND OSCILLATIONS. FOUND LEAKAGE. POLISHED AND RESET SERVO VALVES AND LEVER. TESTED SATISFACTORY.Feb 27, 2003 · N2149S · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084953Control Unit · splitTORQUE SPLITS. FOUND PR-PG RESTRICTORS AND SERVO LEVER WORN. REPLACED PARTS. TESTED SATISFACTORY.Feb 27, 2003 · N6559Z · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084952Detector · malfunctionedRPM LIGHT FLICKERS AT 100 PERCENT.Feb 27, 2003 · N3893L · Bell 412 · Rotor Drive Indicating SystemSDR HEEA084951Actuator · stickingACTUATOR STICKING.Feb 27, 2003 · N5759N · Bell 412 · Main Rotor ControlSDR HEEA084950Actuator · stickingACTUATOR ROTARY STICKING.Feb 27, 2003 · N2261D · Bell 412 · Main Rotor ControlSDR HEEA084949Actuator · bindingACTUATOR ROTARY LATERAL CYCLIC BINDING.Feb 27, 2003 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA084948Crosstube · damagedCROSSTUBE DAMAGED BEYOND LIMITS. SCRAPPED.Feb 27, 2003 · N3893P · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084947Crosstube · corrodedCROSSTUBE DEEP PITS OF CORROSION NEAR MOUNTING FOR STEPS .015 DEEP BEFORE CLEAN WHICH MAKES IT OUT OF LIMITS. SCRAPPED.Feb 27, 2003 · N142PH · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084946Crosstube · corrodedCROSSTUBE HAS SEVERAL SPOTS OF CORROSION BEYOND LIMITS. SCRAPPED.Feb 27, 2003 · N5759N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA084945Bearing · wornENGINE MOUNT TUBE ASSY HAS WORN BEARINGS. SCRAPPED.Feb 27, 2003 · N6559Z · Bell 412 · Engine Mount SectionSDR HEEA084944Tube · damagedTUBING OPENING IS TOO LARGE FOR BEARING DIAMETER. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Engine Mount SectionSDR HEEA084943Bearing · wornENGINE MOUNT BEARINGS WORN. REPAIRED.Feb 27, 2003 · N2149S · Bell 412 · Engine Mount SectionSDR HEEA084942Bearing · groovedBIPOD ASSY BEARINGS GROOVED. SCRAPPED.Feb 27, 2003 · N6559Z · Bell 412 · Engine Mount SectionSDR HEEA084941Bearing · wornBIPOD ASSY BEARINGS WORN. REPAIRED.Feb 27, 2003 · N6559Z · Bell 412 · Engine Mount SectionSDR HEEA084940Bearing · wornBIPOD ASSY BEARINGS WORN. SCRAPPED.Feb 27, 2003 · N2149S · Bell 412 · Engine Mount SectionSDR HEEA084939Bearing · wornBIPOD BEARINGS WORN. REPAIRED.Feb 27, 2003 · N2148K · Bell 412 · Engine Mount SectionSDR HEEA084938Bearing · groovedENGINE MOUNT TRIPOD BEARINGS ARE GROOVED. REPAIRED.Feb 27, 2003 · N6559Z · Bell 412 · Engine Mount SectionSDR HEEA084937Bearing · wornENGINE MOUNT TRIPOX ASSY BEARINGS WORN. SCRAPPED.Feb 27, 2003 · N6559Z · Bell 412 · Engine Mount SectionSDR HEEA084936Bearing · wornENGINE MOUNT TRIPOD ASSY BEARINGS ARE WORN. SCRAPPED.Feb 27, 2003 · N3893N · Bell 412 · Engine Mount SectionSDR HEEA084935Bearing · wornENGINE MOUNT TRIPOD ASSY BEARINGS ARE WORN. SCRAPPED.Feb 27, 2003 · N2149S · Bell 412 · Engine Mount SectionSDR HEEA084934Case · damagedRECEIVED HIGH BACKLASH READINGS WHEN GEARBOX WAS REASSEMBLED 0.012, 0.0125 AND 0.0125 INCH. MAXIMUM BACKLASH ALLOWED IS 0.011 INCH.Feb 27, 2003 · Bell 412 · Tail Rotor GearboxSDR HEEA084933Adapter · leakingLEAKING OIL FROM PITCH CONTROL SHAFT THROUGH CAVITY. REPAIRED. REPLACED ADAPTER DUE TO WORN AND CAP ASSY 204040502009 DUE TO WORN.Feb 27, 2003 · N800Y · Bell 412 · Tail Rotor GearboxSDR HEEA084932Coupling · corrodedTAIL ROTOR GEARBOX LEAKING OIL. REPAIRED. REPLACED OUTER COUPLING DUE TO PITTING.Feb 27, 2003 · N107X · Bell 412 · Tail Rotor GearboxSDR HEEA084931Gearbox · damagedGEARBOX HAS EXCESSIVE BACKLASH AT FWD COUPLING. REPAIRED.Feb 27, 2003 · N2258F · Bell 412 · Tail Rotor GearboxSDR HEEA084930Structure · corrodedNLG DOOR STRUCTURE HAS CORROSION. REPAIRED.Feb 27, 2003 · N22347 · Bell 412 · Landing Gear DoorsSDR HEEA084929Bearing · wornTAIL ROTOR HEAD HAS WORN FEATHERING BEARING. REPAIRED.Feb 27, 2003 · N142PH · Bell 412 · Tail Rotor HeadSDR HEEA084928Bearing · wornTARGET BLADE BEARING WORN. REPAIRED.Feb 27, 2003 · N2261D · Bell 412 · Tail Rotor Head
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