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 HEEA065237Controller · intermittentHEATER INTERMITTENT.Nov 17, 1999 · N3893N · Bell 412 · Air Distribution SystemSDR HEEA065230Indicator · inoperativeNR 1 NEEDLE INOPERATIVE.Nov 17, 1999 · N3893L · Bell 412 · Engine RPM Indicating SystemSDR HEEA065228Indicator · inoperativeNR 2 ENGINE N2 NEEDLE IS INOPERATIVE.Nov 17, 1999 · N108X · Bell 412 · Engine RPM Indicating SystemSDR HEEA065227Actuator · intermittentMAG. BRAKE WILL NOT RELEASE ELECTRICALLY, INTERMITTENT.Nov 17, 1999 · N2261D · Bell 412 · Main Rotor ControlSDR HEEA065224Indicator · malfunctionedINDICATOR LIGHT INOPERATIVE.Nov 17, 1999 · N142PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA065218Indicator · failedHSI INDICATOR'S YELLOW NEEDLE OFF. FLAGS WILL NOT PULL.Nov 17, 1999 · N3893P · Bell 412 · Attitude and Direction Data SystemSDR HEEA065217Computer · failedAUTOPILOT CONTROL DOES NOT COUPLE WHEN FLIGHT DIRECTOR MODE IS SELECTED.Nov 17, 1999 · N800Y · Bell 412 · Autopilot ComputerSDR HEEA065208Transceiver · failedVHF TRANSCEIVER FAILED 2 YEAR INSPECTION.Nov 17, 1999 · N2149S · Bell 412 · VHF Communications SystemSDR HEEA065196Indicator · failedFUEL PRESSURE INDICATOR CANNOT CALIBRATE, UNIT IS NON-LINEAR THROUGH SCALE, BENCH CHECK BAD, FADED RANGE MARKINGS.Nov 17, 1999 · N22347 · Bell 412 · Fuel Pressure IndicatorSDR HEEA065193Computer · failedCOMPUTER TRIPS CIRCUIT BREAKER.Nov 17, 1999 · N3911L · Bell 412 · Autopilot ComputerSDR HEEA065182Computer · malfunctionedAFCS ACTUATORS SLOW TO TRIM AND RE-CENTER.Nov 15, 1999 · N3893S · Bell 412 · Autopilot ComputerSDR HEEA065181Indicator · fluctuatingTORQUE INDICATOR FLUCTUATING.Nov 15, 1999 · N3893S · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA065176Clock · inoperativeDIGITAL CLOCK INOPERATIVE.Nov 15, 1999 · N5759N · Bell 412 · Independent InstrumentsSDR HEEA065174Light · inoperativeSTROBE LIGHT NOPERATIVE.Nov 15, 1999 · N1202T · Bell 412 · Exterior LightingSDR HEEA065164Bearing · separatedDAMPER BEARING SEPARATION.Nov 15, 1999 · N3893L · Bell 412 · Main Rotor HeadSDR HEEA065160Indicator · reads highALTIMETER INDICATOR READS 140 FEET HIGH.Nov 15, 1999 · N2148K · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA065154Clock · incorrectDIGITAL CLOCK KEEPS INCORRECT TIME.Nov 15, 1999 · N800Y · Bell 412 · Independent InstrumentsSDR HEEA065146Encoder · failedGPS CONSTANTLY READS EXY. ALTIMETER IS IN ERROR.Nov 15, 1999 · N293CA · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA065143Control Unit · failedCONTROL UNIT WILL NOT PARALLEL.Nov 15, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA065136Control Unit · inoperativeCONTROL UNIT INOPERATIVE; GENERATORS KICK OFF-LINE.Nov 15, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA065135Control Unit · inoperativeCONTROL UNIT INOPERATIVE; GENERATORS KICK OFF LINE.Nov 15, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA065123Compensator · corrodedCOMPENSATOR CORRODED.Nov 12, 1999 · N2014K · Bell 412 · Integrated Flight SystemSDR HEEA065111Gyro · malfunctionedGYRO CAUSED RATE NEEDLE TO MOVE WHILE AIRCRAFT STATIC.Nov 12, 1999 · N22347 · Bell 412 · Integrated Flight SystemSDR HEEA065107Indicator · failedATTITUDE INDICATOR TUMBLING.Nov 11, 1999 · N2014K · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA065100Dual Ammeter · stickingNR 1 POINTER STICKS.Nov 11, 1999 · N2014K · Bell 412 · DC Indicating SystemSDR HEEA065099Indicator · inoperativeRATE OF TURN NEEDLE INOPERATIVE.Nov 11, 1999 · N2014K · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA065090Altimeter · inaccurateALTIMETER INDICATOR HAD 100 DEGREE ERROR.Nov 11, 1999 · N2148K · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA065087Pump · failedPUMP HAD LOW PRESSURE.Nov 11, 1999 · N3893S · Bell 412 · Fuel Boost PumpSDR HEEA065086Inverter · inoperativeINVERTER HAD NO OUTPUT.Nov 11, 1999 · N2014K · Bell 412 · AC InverterSDR HEEA065085Inverter · inoperativeINVERTER INOPERATIVE.Nov 11, 1999 · N2014K · Bell 412 · AC InverterSDR HEEA065084Gearbox · oil lossCOMBINING GEARBOX HAD HIGH OIL USAGE.Nov 11, 1999 · N2298Z · Bell 412 · Turbine Engine Reduction GearSDR HEEA065083Indicator · inoperativeTO/FROM INOPERATIVE.Nov 11, 1999 · N23023 · Bell 412 · Flight Management Computing Hardware SystemSDR HEEA065070Transceiver · fluctuatedALTIMETER FLUCTUATES INTERMITTENTLY.Nov 11, 1999 · N21498 · Bell 412 · Ground Proximity SystemSDR HEEA065061Cartridge · failedFUEL CARTRIDGE HAD LOW PRESSURE.Nov 11, 1999 · N3893P · Bell 412 · Fuel Boost PumpSDR HEEA065058Transmitter · malfunctionedTRANSMITTER HAD FAULTY FUEL QUANTITY READINGS.Nov 11, 1999 · N142PH · Bell 412 · Fuel Quantity SensorSDR 99ZZZX4597Case · crackedMAIN SUPPPORT CASE AFT LEFT MOUNTING EAR IS CORRODED AND CRACKED ACROSS MOUNT BOLT BUSHING.Nov 11, 1999 · N169EH · Bell 412 · Tail Rotor GearboxSDR HEEA064950Indicator · fluctuatedPRESSURE INDICATOR PRESSURE SIDE FLUCTUATES.Nov 3, 1999 · N2298Z · Bell 412 · Hydraulic Pressure IndicatorSDR HEEA064948Transmitter · faultyTRANSMITTER HAD FAULTY FUEL QUANTITY READINGS.Nov 2, 1999 · N142PH · Bell 412 · Fuel Quantity SensorSDR HEEA064828Connector · bentROTOR CONNECTION BENT-CANNON PLUG CANNOT MATE AND LOCK.Oct 19, 1999 · Bell 412 · Engine RPM Indicating SystemSDR HEEA064777Bracket · damagedPILOT DOOR CAME OFF IN-FLIGHT. AN UNEVENTFUL LANDING WAS MADE TO AN OFFSHORE PLATFORM. MAINTENANCE FOUND HOLE IN THE BRACKET THAT THE TENSION SPRING HOOKS TO HAD PULLED THROUGH, ALLOWING AIRCRAFT NATURAL FREQUENCIES TO WORK EMERGENCY EXIT PINS OUT OF THE DOOOct 13, 1999 · N2148K · Bell 412 · Passenger/Crew DoorsSDR HEEA064776Blade · damagedEROSION SHIELD TORN ON THE INBOARD END OF THE STRIP. .Oct 13, 1999 · N23023 · Bell 412 · Main Rotor BladesSDR HEEA064775Blade · damagedTHE OUTBOARD ABRASION STRIP HAS NUMEROUS PIN HOLES.Oct 13, 1999 · N2298Z · Bell 412 · Main Rotor BladesSDR HEEA064774Indicator · malfunctionedINDICATOR FLASHES AND BOTH SHUT OFF WHEN EITHER NAV SYSTEMS ARE TURNED ON. PERFORMED PRELIMINARY INSPECTION. FOUND 5 VOLT DECAL MISSING AND DISPLAY DIGIT ON THE FAR LEFT OF DISPLAY TO CONSTANTLY FLICKER. REPLACED 5 VOLT DECAL, SWAPPED DISPLAY BOARD, IC'S 90Oct 13, 1999 · N107X · Bell 412 · DME/TACAN SystemSDR HEEA064773Transceiver · malfuncitonedSTATIC ON 123.05. PERFORMED PRELIMINARY INSPECTION. FOUND EXCESSIVE CORROSION ON CHASIS AND INSIDE COVERS. CLEANED CORROSION. ADJUSTED SIGNAL TO SQUELCH AND TRANSMIT POWER, ALSO ADJUSTED FREQUENCY. NAMEPLATE IS UNREADABLE AND POWER OUT WEAK.Oct 13, 1999 · N2149S · Bell 412 · VHF Communications SystemSDR HEEA064746Control Unit · failedNO OUTPUT FROM GENERATOR. 1.5 VDC AT TEST POINTS AND CANNOT ADJUST AT ALL.Oct 12, 1999 · N142PH · Bell 412 · DC Generator-AlternatorSDR HEEA064745Collective Tube · mismanufacturedUPON INSTALLATION, UPPER INSERT FOUND TO BE INDEXED WRONG.Oct 12, 1999 · N3893N · Bell 412 · Rotorcraft Flight ControlSDR HEEA064738Transceiver · failedWILL NOT TRANSMIT. PERFORMED PRELIMINARY INSPECTION AND FOUND DISPLAY INOPERATIVE.Oct 12, 1999 · N3893N · Bell 412 · Outside Air Temperature Indicator/SensorSDR HEEA064727Transponder · malfuncitonedTRANSPONDER HAD WRONG FREQUENCIES SENT OUT. PERFORMED PRELIMINARY INSPECTION AND FOUND LOW SENSITIVITY AND POWER OUT. ADJUSTED HI/LO SENSITIVITY. OUTPUT POWER WILL NOT ADJUST TO SPECS.Oct 12, 1999 · N1202T · Bell 412 · ATC Transponder SystemSDR HEEA064713Seal · crackedCRACKED SEAL.Oct 8, 1999 · Bell 412 · Main Rotor GearboxSDR ERAA064504Bleed Valve · fluctuatingPOWER SECTION OVERHAULED. BLEED VALVE FLUCTUATING.Sep 20, 1999 · N418EH · Bell 412 · Compressor Bleed Valve
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