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 HEEA0014525Actuator · failedM/R NR 2 HELIPILOT DROPPING OFF LINE.Jun 4, 1998 · N5759N · Bell 412 · Main Rotor ControlSDR HEEA0014524Limit Detector · failedRPM LIMIT LIGHT COMES ON TOO EARLY.Jun 4, 1998 · N141PH · Bell 412 · Rotor Drive Indicating SystemSDR HEEA0014509Filter · failedBUTTON WILL NOT STAY RESET.Jun 4, 1998 · N141PH · Bell 412 · Main Rotor GearboxSDR HEEA0014506Extinguisher · corrodedFIRE EXTINGUISHER HAS HEAVY CORROSION.Jun 4, 1998 · N3911L · Bell 412 · Fire Bottle, FixedSDR HEEA0014504Indicator · sticksTORQUE NR 1 NEEDLE STICKS AT 35 PERCENT INDICATION.Jun 4, 1998 · N108X · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0014503Indicator · inoperativeROTOR NEEDLE INOPERATIVE, NR 1 NEEDLE LAGS NR 2 NEEDLE.Jun 4, 1998 · N7128R · Bell 412 · Main Rotor Indicating SystemSDR HEEA0014497Indicator · sticksRT FLAG SLOW TO PULL AND RT POINTER STICKS.Jun 4, 1998 · N3893S · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014483Indicator · malfunctionedFLAG WILL NOT PULL. FOUND POSITIVE LEAD OF FLAG MOTOR BROKEN. RESOLDERED BROKEN WIRE. RECALIBRATED PITCH AND ROLL TIMES. BENCH CHECK GOOD.Jun 2, 1998 · N2149S · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014482Gyro · malfunctionedINCORRECT DEGREE OF TILT FOR 412 INSTRUMENT PANEL, NEEDS BENCH CHECK. BENCH CHECK GOOD.Jun 2, 1998 · N22608 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014478Blade · damagedHOLE IN THE OUTBOARD LEADING EDGE STRIP NEAR THE TIP.Jun 2, 1998 · N3893P · Bell 412 · Main Rotor BladesSDR HEEA0014474Computer · malfunctionedAFCS KICKING.Jun 2, 1998 · N3893P · Bell 412 · Autopilot ComputerSDR HEEA0014472Pump · low pressurePUMP HAS LOW PRESSURE AND LOUD NOISE.Jun 2, 1998 · N2261D · Bell 412 · Fuel Boost PumpSDR HEEA0014466Computer · malfunctionedCOMPUTER WILL NOT TEST IN YAW POSITION.Jun 2, 1998 · N2014K · Bell 412 · Autopilot ComputerSDR HEEA0014456Computer · inoperativeCOMPUTER DOES NOT COME ON-LINE.Jun 2, 1998 · N2149S · Bell 412 · Autopilot SystemSDR HEEA0014455Gyro · fluctuatesOFF FLAG FLUCTUATES ON AND OFF.Jun 2, 1998 · N3893P · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014454Gyro · faultyTURN RATE NEEDLE OSCILLATES.Jun 2, 1998 · N5759N · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0014452Gyro · faultyGYRO FAILED, WOULD NOT ALLOW COPILOT RT FLAG TO PULL ON ATT. INDICATOR.Jun 2, 1998 · N141PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014451Indicator · inoperativeENGINE TORQUE NR 2 NEEDLE DOES NOT OPERATE.Jun 2, 1998 · N22347 · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0014450Indicator · reads highITT INDICATOR READS HIGH AFTER WARM- UP.Jun 2, 1998 · N2298Z · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0014447Inverter · faultyINVERTER HAS LOW OUTPUT.Jun 2, 1998 · N22347 · Bell 412 · AC InverterSDR HEEA0014445Control Unit · failedCONTROL UNIT FAILED. GENERATOR WILL NOT COME ON-LINE.Jun 2, 1998 · N6559Z · Bell 412 · DC RegulatorSDR HEEA0014444Indicator · faultyOFF FLAG STICKS, AND IS SLOW TO PULL.Jun 2, 1998 · N3893L · Bell 412 · Integrated Flight SystemSDR AU980650O-Ring · damaged(AUS) NR 1 ENGINE FUEL CONTROL UNIT `O' RING SEAL DAMAGED.Jun 2, 1998 · Bell 412 · Fuel Control/Reciprocating EnginesSDR AU980586Pipe · damaged(AUS) NR 2 HYDRAULIC SYSTEM PIPE FAILED. A SECOND PIPE WAS FOUND TO BE DAMAGED. BOTH PIPES WERE DAMAGED DUE TO POOR ROUTING AND CHAFING AND ARE LOCATED IN THE HELL HOLE AREA BEHIND THE LIFT BEAM. PART TC: 1,087.May 25, 1998 · Bell 412 · Hydraulic System, MainSDR HEEA0014217Indicator · failedROTOR NEEDLE INOPERATIVE.May 18, 1998 · N2298Z · Bell 412 · Main Rotor Indicating SystemSDR HEEA0014199Indicator · precessesATTITUDE INDICATOR PRECESSES. REPLACED BEARINGS AND REBALANCE UNIT. RETURNED TO SERVICE.May 13, 1998 · N5759N · Bell 412 · Attitude Gyro and Indicating SystemSDR AU980523Bearing · deteriorated(AUS) MAIN TRANSMISSION BEARING DETERIORATED. CHIP DETECTOR CONTAINED SIX PIECES OF FLAKED MAGNETIC MATERIAL. THE TRANSMISSION WAS CHANGED.May 13, 1998 · Bell 412 · Main Rotor GearboxSDR HEEA0014190Blade · damagedM/R BLADE OUTBOARD LEADING EDGE STRIP HAS NUMEROUS PIN HOLES.May 12, 1998 · N22347 · Bell 412 · Main Rotor BladesSDR HEEA0014175Gps · failedTIME CHANGE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT GIVING COURSE INPUT FAIL MESSAGE.May 12, 1998 · N2258F · Bell 412 · Global Positioning SystemSDR HEEA0014166Computer · defectiveAFCS COMPUTER SLOW OUTPUT TO ACTUATOR.May 11, 1998 · N3893L · Bell 412 · Autopilot SystemSDR HEEA0014164Inverter · failedINVERTER-450VA INOPERATIVE.May 11, 1998 · N33008 · Bell 412 · AC InverterSDR HEEA0014163Switch · failedCAPACITANCE READS HIGH ON RIGHT POSITION.May 11, 1998 · N3893S · Bell 412 · Fuel Indicating SystemSDR HEEA0014161Indicator · failedINDICATOR REQUIRES EXCESSIVE VOLTAGE TO MOVE DEVIATION NEEDLE.May 11, 1998 · N2298Z · Bell 412 · Integrated Flight SystemSDR HEEA0014154Generator · failedWILL NOT COME ON LINE AFTER SHUTDOWN. FOUND NOT TO MOTOR WITH START SWITCH ENGAGED.May 11, 1998 · N23023 · Bell 412 · Starter-GeneratorSDR HEEA0014152Indicator · precesses3 AXIS GYRO INDICATOR PRECESSES IN PITCH.May 11, 1998 · N142PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014151Indicator · failedENG OIL TEMP/PRESS PSI NEEDLE FLUCTUATES WHEN VIBRATED.May 11, 1998 · N22608 · Bell 412 · Engine Oil PressureSDR HEEA0014150Indicator · failedGS AND FD FLAGS SLOW TO PULL AND RT FLAG STICKS.May 11, 1998 · N7128R · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014147Altitude Sensor · malfunctionWHEN VHF TRANSMITTER IS KEYED, CYCLIC STICK MOTORS FORWARD AND A/C NOSES DOWN.May 11, 1998 · N107X · Bell 412 · Auto Flight SystemSDR HEEA0014146Indicator · failedROTOR NEEDLE IS INOPERATIVE AND NR2 NEEDLE NOISY. TIME SINCE REPAIR 225:00.May 11, 1998 · N7128R · Bell 412 · Main Rotor Indicating SystemSDR HEEA0014145Altimeter · errorINDICATOR EXCESSIVE FRICTION ERROR.May 11, 1998 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0014120Trim Compensator · failedTRIM COMPENSATOR WILL NOT ADJUST.May 4, 1998 · N3893S · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0014119Control Unit · failedCONTROL UNIT WOULD NOT ALLOW NR1 GENERATOR TO COME ON LINE.May 4, 1998 · N22608 · Bell 412 · DC Generating SystemSDR HEEA0014118Attitude Gyro · failedATTITUDE GYRO INOPERATIVE.May 4, 1998 · N293CA · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014109Indicator · failedATTITUDE INDICATOR WILL NOT OPERATE IN PITCH.May 1, 1998 · N108X · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014108Indicator · failedFD FLAG NOT RETRACTING WHEN POWER IS ON.May 1, 1998 · N3893N · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0014106Control Unit · failedGENERATOR WOULD NOT COME ON LINE.May 1, 1998 · N23023 · Bell 412 · DC RegulatorSDR HEEA0014087Transceiver · defective50,250,400, AND 1200 LEDS WILL NOT LIGHT.Apr 29, 1998 · N3893L · Bell 412 · VHF Communications SystemSDR HEEA0014084Probe · failedFUEL QTY SENSOR CHAFED WIRE AND TROUBLESHOOTING.Apr 29, 1998 · N293CA · Bell 412 · Fuel Quantity SensorSDR HEEA0014083Altimeter · errorENCODING ALT INDICATES 200 FEET LOW OUT OF TOLERANCE.Apr 29, 1998 · N293CA · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0014082Altimeter · failedENCODER READS OUT OF TOLERANCE AT 10,000 FEET AND ABOVE.Apr 29, 1998 · N293CA · Bell 412 · Altimeter, Barometric/Encoder
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