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 HEEA061332Actuator · failedACTUATOR ROTARY UNIT INSTALLED ON 2-15-99, FAILED ON 2-25-99 AND REMOVED ON 3-14-99. SUSPECTED RELEASE BAD.Mar 24, 1999 · N3893L · Bell 412 · Main Rotor ControlSDR ERAA061861Computer · malfunctionedCOMPUTER UNIT WILL TEST MANUALLY ONLY.Mar 24, 1999 · N167EH · Bell 412 · Flight ControllerSDR ERAA061858Computer · failedHP COMPUTER TESTED 1-20-99, REF NR 298771 AND RETURNED 3-1-99. COULD NOT BE USED ON AIRCRAFT DUE TO MULTIPLE HARDOVERS IN ROLL CHANNEL (LEFT AND RIGHT.)Mar 23, 1999 · N417EH · Bell 412 · Autopilot SystemSDR ERAA061856Governor · misoverhauledGOVERNOR OVERHAULED 11-12-98. ENGINE TORQUE SURGING AT LOW POWER.Mar 23, 1999 · N421EH · Bell 412 · Turbine GovernorSDR ERAA061843Controller · misoverhauledCONTROLLER UNIT WAS REPAIRED 1-19-99 REF NR 298713. WHEN INSTALLED ON AIRCRAFT, WOULD NOT SWITCH TO SAS MODE WHEN IN HPI ONLY.Mar 3, 1999 · N167EH · Bell 412 · Autopilot SystemSDR HEEA060836Gyro · inoperativeRATE GYRO INOPERATIVE.Feb 23, 1999 · N141PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA060782Float · leakingFLOAT BAG ASSY'S FORWARD CHAMBER LEAKING.Feb 22, 1999 · N6559Z · Bell 412 · Emergency Flotation SectionSDR HEEA060781Indicator · sticksFUEL QUANTITY INDICATOR STICKS AT 200 POUNDS AND DROPS TO ZERO WHEN AIRCRAFT LANDS.Feb 22, 1999 · N3893P · Bell 412 · Fuel Quantity IndicatorSDR HEEA060780Light · inoperativeANTI-COLLISION LIGHT INOPERATIVE. TIME SINCE REPAIR 124:55 HOURS.Feb 22, 1999 · N6559Z · Bell 412 · Exterior LightingSDR HEEA060779Transceiver · malfunctionedRECEIVER/TRANSMITTER INDICATES 300 FOOT ERROR.Feb 22, 1999 · N800Y · Bell 412 · VHF Communications SystemSDR HEEA060778Transceiver · intermittentRECEIVER/TRANSMITTER INTERMITTENT IN-FLIGHT.Feb 22, 1999 · N3911L · Bell 412 · VHF Communications SystemSDR HEEA060777Actuator · inoperativeYAW INOPERATIVE WILL NOT ACTUATE.Feb 22, 1999 · N2298Z · Bell 412 · Tail Rotor Control SystemSDR HEEA060776Control Rod · damagedPITCH STUCK IN UP POSITION AND WILL NOT TEST FORE AND AFT; CAUSE AFCS LIGHT TO CYCLE CONTINUOUSLY IN-FLIGHT.Feb 22, 1999 · N2298Z · Bell 412 · Rotorcraft Servo SystemSDR HEEA060775Controller · malfunctionedATT/SAS BUTTON STICKS.Feb 22, 1999 · N2148K · Bell 412 · Autopilot SystemSDR HEEA060774Computer · failedNR 2 HELIPILOT WOULD NOT ENGAGE. CAUSES SAS AND ATT LIGHTS TO STAY ILLUMINATED.Feb 22, 1999 · N21498 · Bell 412 · Autopilot ComputerSDR HEEA060773Computer · failedAFCS COMPUTER FAILS DATT & PCPL LOGIC 14.1 TEST.Feb 22, 1999 · N293CA · Bell 412 · Autopilot ComputerSDR HEEA060772Control Unit · inoperativeGENERATOR INOPERATIVE.Feb 22, 1999 · N108X · Bell 412 · DC Generating SystemSDR HEEA060771Control Unit · failedNR 1 GENERATOR WOULD NOT COME ON-LINE WITH NR 2 GENERATOR ON.Feb 22, 1999 · N2298Z · Bell 412 · DC Generating SystemSDR HEEA060770Control Unit · failedNR 1 GENERATOR WILL NOT COME ON-LINE.Feb 22, 1999 · N23023 · Bell 412 · DC Generating SystemSDR HEEA060769Control Unit · malfunctionedNR 2 GENERATOR KICKING OFF-LINE. TIME SINCE REPAIR 1214:30 HOURS.Feb 22, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA060768Control Unit · malfunctionedCONTROL UNIT HAS NO OUTPUT, UNABLE TO ADJUST.Feb 22, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA060767Control Unit · failedCONTROL UNIT CAUSES GENERATOR TO KICK OFF-LINE.Feb 22, 1999 · N3893S · Bell 412 · DC Generating SystemSDR HEEA060766Control Unit · failedGENERATOR WOULD NOT COME ON LINE.Feb 22, 1999 · N23023 · Bell 412 · DC Generating SystemSDR HEEA060765Indicator · malfunctionedTRIPLE TACHOMETER INDICATOR HAS 4 PERCENT SPLIT BETWEEN NR 1 AND NR 2 NEEDLES.Feb 22, 1999 · N3893S · Bell 412 · Main Rotor Indicating SystemSDR HEEA060764Indicator · erraticFUEL INDICATOR READS ERRATIC.Feb 22, 1999 · N6559Z · Bell 412 · Fuel Quantity IndicatorSDR HEEA060763Inverter · malfunctionedINVERTER FLUCTUATES BELOW 100 VOLTS.Feb 22, 1999 · N3911L · Bell 412 · AC InverterSDR HEEA060760Indicator · sticksTRIPLE TACHOMETER INDICATOR'S NR 1 ENGINE NEEDLE STICKS AT 20 PERCENT.Feb 22, 1999 · N108X · Bell 412 · Main Rotor Indicating SystemSDR HEEA060759Indicator · failedTRIPLE TACHOMETER INDICATOR'S NR 1 NEEDLE FOR N2 FAILED.Feb 22, 1999 · N108X · Bell 412 · Main Rotor Indicating SystemSDR HEEA060758Indicator · reads highAIRSPEED INDICATOR INDICATES HIGH OUT OF TOLERANCE THROUGHOUT SCALE.Feb 22, 1999 · N142PH · Bell 412 · Airspeed/Mach IndicatorSDR HEEA060757Indicator · reads highINDICATION HIGH ON AIRSPEED INDICATOR.Feb 22, 1999 · N33008 · Bell 412 · Airspeed/Mach IndicatorSDR HEEA060756Indicator · sticksNEEDLE STUCK ON TORQUE INDICATOR.Feb 22, 1999 · N3911L · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA060755Indicator · sticksNR 2 NEEDLE STUCK ON HIGH SIDE ON TORQUE INDICATOR.Feb 22, 1999 · N3893L · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA060753Indicator · sticksNR 1 NEEDLE STICKS ON TORQUE INDICATOR.Feb 22, 1999 · N2261D · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA060752Cover · wornCOVER ASSY WORN.Feb 22, 1999 · N3893N · Bell 412 · Emergency Flotation SectionSDR HEEA060751Float · leakingFLOAT BAG LEAKING.Feb 22, 1999 · N3893N · Bell 412 · Emergency Flotation SectionSDR HEEA060750Float · leakingFLOAT BAG LEAKING. MANUFACTURED 9/92.Feb 22, 1999 · N3893L · Bell 412 · Emergency Flotation SectionSDR HEEA060749Float · leakingFLOAT BAG ASSY LEAKING. MANUFACTURED 12/93.Feb 22, 1999 · N3893L · Bell 412 · Emergency Flotation SectionSDR HEEA060748Float · leakingFLOAT BAG LEAKING.Feb 22, 1999 · N2149S · Bell 412 · Emergency Flotation SectionSDR HEEA060747Float · leakingFLOAT BAG LEAKING.Feb 22, 1999 · N2149S · Bell 412 · Emergency Flotation SectionSDR HEEA060746Valve · strippedAFT RELIEF VALVE THREADS STRIPPED.Feb 22, 1999 · N2298Z · Bell 412 · Main Rotor GearboxSDR HEEA060745Transmission · overtorquedOVERTORQUE TO 110 PERCENT MOMENTARY LESS THAN 2 SECONDS. 5 SECONDS OPERATION, BRASS FOUND IN INTERNAL FILTER AND EXTERNAL FILTER.Feb 22, 1999 · Bell 412 · Main Rotor GearboxSDR HEEA060744Spindle · separatedSPINDLE DAMPER SEPARATED.Feb 22, 1999 · N23023 · Bell 412 · Main Rotor HeadSDR HEEA060743Spindle · separatedSPINDLE DAMPER SEPARATED.Feb 22, 1999 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA060742Spindle · separatedSPINDLE DAMPER SEPARATED.Feb 22, 1999 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA060741Spindle · separatedSPINDLE DAMPER SEPARATED.Feb 22, 1999 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA060740Spindle · unbondedSPINDLE BEARING UNBONDED.Feb 22, 1999 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA060739Computer · malfunctionedFAILED TEST 2.2, 2.3, 4.2 AND 4.3 ON SST. TIME SINCE REPAIR 0:00 HOURS.Feb 22, 1999 · N108X · Bell 412 · Autopilot SystemSDR HEEA060738Computer · malfunctionedCOMPUTER WILL NOT TRACK IN NAV MODE.Feb 22, 1999 · N108X · Bell 412 · Autopilot SystemSDR HEEA060737Computer · malfunctionedKICKS OFF-LINE INTERMITTENTLY. TIME SINCE REPAIR 312:35 HOURS.Feb 22, 1999 · N3911L · Bell 412 · Autopilot SystemSDR HEEA060736Computer · malfunctionedJIA PIN 54 BROKEN.Feb 22, 1999 · N293CA · Bell 412 · Autopilot System
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