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 HEEA061778Computer · oscillatesCOMPUTER PRODUCES OSCILLATION.Apr 8, 1999 · N5759N · Bell 412 · Autopilot SystemSDR HEEA061763Actuator · failedROTARY ACTUATOR WILL NOT DISENGAGE.Apr 8, 1999 · N21498 · Bell 412 · Main Rotor ControlSDR HEEA061762Servo · failedWHILE INSTALLING ROD END ON SERVO, ROD END SEIZED UP, UNABLE TO REMOVE ROD END WITHOUT DAMAGING SERVO. REPLACED WITH SERVICEABLE PART.Apr 8, 1999 · N3893N · Bell 412 · Rotorcraft Servo SystemSDR HEEA061750Receiver · malfunctionedRMI WILL NOT ALIGN.Apr 8, 1999 · N3893S · Bell 412 · Visual Omnirange (VOR) SystemSDR HEEA061743Transceiver · malfunctionedPOWER AND SENSITIVITY BAD ON HIGH END OF BAND.Apr 7, 1999 · N33008 · Bell 412 · VHF Communications SystemSDR HEEA061738Transponder · failedTRANSPONDER WORKED FOR TWO FLIGHTS, THEN WENT BELLY-UP. NO MODE C, S, ETC. REPLACED WITH SERVICEABLE PART.Apr 7, 1999 · N2261D · Bell 412 · ATC Transponder SystemSDR HEEA061733Relay · intermittentRELAY ENGAGES INTERMITTENTLY.Apr 6, 1999 · N3893L · Bell 412 · DC Generating SystemSDR HEEA061726Blade · won't trackUNABLE TO TRACK MAIN ROTOR BLADE.Apr 6, 1999 · N3911L · Bell 412 · Main Rotor BladesSDR HEEA061725Blade · won't trackUNABLE TO TRACK MAIN ROTOR BLADE.Apr 6, 1999 · N3911L · Bell 412 · Main Rotor BladesSDR HEEA061724Blade · won't trackUNABLE TO TRACK AND BALANCE BLADE.Apr 6, 1999 · N3911L · Bell 412 · Main Rotor BladesSDR HEEA061722Starter · failedSTARTER/GENERATOR DRAGS AND WILL NOT START ENGINE.Apr 6, 1999 · N2149S · Bell 412 · Starter-GeneratorSDR HEEA061717Gyro · inoperativeGYRO INOPERATIVE.Apr 5, 1999 · N22347 · Bell 412 · Integrated Flight SystemSDR HEEA061715Control Unit · malfunctionedCONTROL UNIT WILL NOT MAINTAIN VOLTAGE. SETTING DROPS 2 VOLTS WITH SINGLE GENERATOR ON-LINE.Apr 5, 1999 · Bell 412 · DC Generating SystemSDR HEEA061714Control Unit · malfunctionedNR 1 GENERATOR WILL NOT COME ON-LINE WHEN NR 2 GENERATOR ON-LINE FIRST.Apr 5, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA061713Control Unit · malfunctionedCONTROL UNIT ON BATTERY WILL NOT KICK OFF WHEN SECOND GENERATOR PUT ON LINE. CANNOT ADJUST VOLTAGE.Apr 5, 1999 · N3893S · Bell 412 · DC Generating SystemSDR HEEA061712Control Unit · malfunctionedCONTROL UNIT WILL NOT ENGAGE BATTERY RELAY.Apr 5, 1999 · N1202T · Bell 412 · DC Generating SystemSDR HEEA061711Control Unit · malfunctionedSHOWS ONLY GENERATOR RESIDUAL VOLTAGE. WILL NOT EXCITE THE GENERATOR FIELD. CAUSES THE AIRCRAFT VOLTMETER TO BE DRIVEN DOWN BELOW ZERO WHEN THE GENERATOR SWITCH IS PLACED IN THE ON POSITION.Apr 5, 1999 · N22608 · Bell 412 · DC Generating SystemSDR HEEA061710Signal Cond · intermittentFUEL LIGHT INTERMITTENT.Apr 5, 1999 · N21498 · Bell 412 · Fuel Indicating SystemSDR HEEA061709Signal Cond · intermittentFUEL LIGHT INTERMITTENT.Apr 5, 1999 · N21498 · Bell 412 · Fuel Indicating SystemSDR HEEA061708Signal Cond · inoperativeSIGNAL CONDITIONER INOPERATIVE IN MID TANKS.Apr 5, 1999 · N142PH · Bell 412 · Fuel Indicating SystemSDR HEEA061707Signal Cond · malfunctionedLOW LEVEL LIGHT ILLUMINATING WITH 1500 POUNDS OF FUEL INDICATING.Apr 5, 1999 · N2149S · Bell 412 · Fuel Indicating SystemSDR HEEA061705Abrasion Strip · damagedOUTBOARD ABRASION STRIP ON BLADE HAS PIN HOLE PENETRATED.Apr 5, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA061704Abrasion Strip · damagedOUTBOARD ABRASION STRIP ON BLADE HAS PIN HOLE PENETRATED.Apr 5, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA061703Abrasion Strip · damagedOUTBOARD ABRASION STRIP ON BLADE HAS PIN HOLE PENETRATED.Apr 5, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA061702Doubler · crackedTRAILING EDGE DOUBLER ON BLADE HAS THREE CRACKS. THE LAST CRACK IS 10.75 INCHES FROM THE INBOARD END.Apr 5, 1999 · N3893L · Bell 412 · Main Rotor BladesSDR HEEA061701Abrasion Strip · damagedOUTBOARD ABRASION STRIP ON BLADE HAS PIN HOLE PENETRATED.Apr 5, 1999 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA061700Abrasion Strip · crackedOUTBOARD LEADING EDGE ABRASION STRIP ON BLADE CRACKED AT THE SPLICE JOINT.Apr 5, 1999 · N33008 · Bell 412 · Main Rotor BladesSDR HEEA061699Abrasion Strip · separatedBOTH LEADING EDGE STRIPS ON BLADE SEPARATED AT THE SPLICE JOINT BEYOND LIMITS.Apr 5, 1999 · N33008 · Bell 412 · Main Rotor BladesSDR HEEA061698Blade · won't trackUNABLE TO TRACK AND BALANCE BLADE.Apr 5, 1999 · N3893L · Bell 412 · Main Rotor BladesSDR HEEA061697Blade · tornOUTBOARD LEADING EDGE STRIP ON BLADE HAD PIN HOLES THROUGH AND EROSION SHIELD TORN AT THE TIP END.Apr 5, 1999 · N21498 · Bell 412 · Main Rotor BladesSDR HEEA061696Spindle · separatedSPINDLE SEPARATION ON DAMPER BEARING.Apr 5, 1999 · N1202T · Bell 412 · Main Rotor HeadSDR HEEA061695Spindle · separatedSPINDLE SEPARATION ON DAMPER BEARING.Apr 5, 1999 · N1202T · Bell 412 · Main Rotor HeadSDR HEEA061694Computer · fails testCOMPUTER FAILS ALTITUDE HOLD TEST STEP 35.7 AND .7.Apr 5, 1999 · Bell 412 · Autopilot ComputerSDR HEEA061693Computer · fails testCOMPUTER FAILS ALTITUDE HOLD TEST STEP 35.5 ON SST.Apr 5, 1999 · Bell 412 · Autopilot ComputerSDR HEEA061692Computer · inoperativePITCH IS INOPERATIVE. TIME SINCE REPAIR 37:20 HOURS.Apr 5, 1999 · N21498 · Bell 412 · Autopilot SystemSDR HEEA061684Smoke Detector · failedSMOKE DETECTOR FAILED FUNCTION TEST.Apr 5, 1999 · N3893S · Bell 412 · Smoke DetectionSDR HEEA061674Gyro · inoperativeTURN NEEDLE ON RATE GYRO INOPERATIVE.Apr 5, 1999 · N142PH · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA061666Valve · leakingVALVE LEAKING.Apr 5, 1999 · N141PH · Bell 412 · Hydraulic System, MainSDR HEEA061665Cylinder Assy · leakingCYLINDER LEAKING.Apr 5, 1999 · N141PH · Bell 412 · Rotorcraft Servo SystemSDR HEEA061664Actuator · failedSTEP ACTUATOR WILL NOT RAISE ON ITS OWN.Apr 5, 1999 · N3893S · Bell 412 · Entrance StairsSDR HEEA061663Actuator · inoperativeSTEP ACTUATOR INOPERATIVE. WILL NOT ACTUATE.Apr 5, 1999 · Bell 412 · Entrance StairsSDR HEEA061662Indicator · sticksITT INDICATOR STICKS.Apr 5, 1999 · N2261D · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA061661Indicator · sticksITT INDICATOR NEEDLE STICKS.Apr 5, 1999 · N7128R · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA061658Door · mismanufacturedDOOR ASSEMBLY DOESN'T FIT PROPERLY AND IS CHAFED AND BROKEN.Apr 5, 1999 · N142PH · Bell 412 · Passenger/Crew DoorsSDR HEEA061596Bleed Valve · malfunctionedENGINE OSCILLATES.Apr 5, 1999 · N142PH · Bell 412 · Compressor Bleed ValveSDR HEEA061595Bleed Valve · malfunctionedENGINE OSCILLATES.Apr 5, 1999 · N108X · Bell 412 · Compressor Bleed ValveSDR CZMA061352Panel · shortedEXCHANGE PANEL SHORTED AND FAILED DURING A PREFLIGHT CAUTION LIGHT TEST. UNIT WAS INSTALLED FOR A TOTAL OF 43.5 HRS AND 21 DAYS. INSTALLED ORIGINAL PANEL THAT WAS PRESENT WHEN AIRCRAFT WAS PURCHASED.Mar 25, 1999 · N911BE · Bell 412 · Instrument PanelSDR HEEA061335Actuator · failedSTEP ACTUATOR BAD FROM SUPPLY, WON'T RETRACT. FUNCTIONAL TESTED BY BELL ON 1-22-99.Mar 24, 1999 · Bell 412 · Entrance StairsSDR HEEA061334Actuator · bindingACTUATOR ROTARY CAUSES BINDING IN FLIGHT CONTROLS.Mar 24, 1999 · Bell 412 · Main Rotor ControlSDR HEEA061333Actuator · sticksFORCE TRIM STICKING ON ACTUATOR ROTARY.Mar 24, 1999 · N23023 · Bell 412 · Main Rotor Control
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