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 HEEA0015099Adapter · pittedMAIN ROTOR GEARBOX ADAPTER HAS PITTING ON SEAL RIDE.Jul 1, 1998 · N5759N · Bell 412 · Main Rotor GearboxSDR HEEA0015096Valve · leakingVALVE IN FUEL SYSTEM IS LEAKING.Jul 1, 1998 · N3893N · Bell 412 · Fuel Selector/Shut-Off ValveSDR HEEA0015088Indicator · stickingHSI COMPASS CARD STICKS.Jul 1, 1998 · N1202T · Bell 412 · Integrated Flight SystemSDR HEEA0015087Indicator · faultyCOCKPIT ATTITUDE INDICATOR TRIPS CIRCUIT BREAKER.Jul 1, 1998 · N22347 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0015083Bevel Gear · frettingMAIN ROTOR TRANSMISSION BEVEL GEAR HAS FRETTING ON MATING SURFACE.Jul 1, 1998 · N5759N · Bell 412 · Main Rotor GearboxSDR HEEA0015082Shaft · frettingMAIN ROTOR TRANSMISSION SHAFT HAS FRETTING ON FLANGE.Jul 1, 1998 · N5759N · Bell 412 · Main Rotor GearboxSDR HEEA0015071Indicator · failedTO-FROM FLAG WILL NOT PULL.Jun 30, 1998 · N22608 · Bell 412 · Flight Management Computing Hardware SystemSDR HEEA0015065Transceiver · malfunctionedVHF'S TRANSMIT AND RECEIVE GARBLED.Jun 30, 1998 · N33008 · Bell 412 · VHF Communications SystemSDR HEEA0015063Indicator · reads highTRIPLE TACHOMETER'S NR 2 NEEDLE INDICATES 5 PERCENT HIGH, UNIT FUNCTION CHECK BAD, ALSO FOUND NR 2 NEEDLE TO HAVE EXCESSIVE FRICTION.Jun 30, 1998 · N3893N · Bell 412 · Engine RPM Indicating SystemSDR HEEA0015053Erosion Shield · separatedSEPARATION ON THE EROSION SHIELD ON THE M/R BLADE INBOARD END.Jun 30, 1998 · N107X · Bell 412 · Main Rotor BladesSDR HEEA0015052Blade · damagedHOLES IN THE OUTBOARD LEADING EDGE ABRASION STRIP.Jun 30, 1998 · N107X · Bell 412 · Main Rotor BladesSDR HEEA0015044Actuator · failedSTEP ACTUATOR OPERATED ONCE THEN FAILED TO OPERATE AFTER THAT.Jun 29, 1998 · N33008 · Bell 412 · Entrance StairsSDR HEEA0014947Controller · failedHP AND CPL SWITCHES WILL NOT ENGAGE ON CONTROLLER.Jun 22, 1998 · N22608 · Bell 412 · Autopilot SystemSDR HEEA0014942Actuator · malfunctionedACTUATOR FROZEN UP. INOPERATIVE.Jun 22, 1998 · N107X · Bell 412 · Tail Rotor Control SystemSDR HEEA0014941Indicator · fluctuatesTRANSMISSION TEMPERATURE NEEDLE FLUCTUATES WHEN VIBRATED.Jun 22, 1998 · N33008 · Bell 412 · Main Rotor GearboxSDR HEEA0014938Engine · stallsCOMPRESSOR STALLS.Jun 22, 1998 · N3893P · Bell 412 · Turbine Engine Compressor SectionSDR HEEA0014937Engine · stallsCOMPRESSOR STALLS.Jun 22, 1998 · N108X · Bell 412 · Turbine Engine Compressor SectionSDR HEEA0014917Indicator · fluctuatesAT 1,000 DEGREE CELSIUS, NEEDLE INTERMITTENTLY FLUCTUATES AFTER UNIT WARMS UP ON INDICATOR OF COCKPIT RPM.Jun 22, 1998 · N142PH · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA0014908Selector · reads highFUEL QUANTITY SELECTOR CAPACITANCE READS HIGH OUT OF TOLERANCE.Jun 22, 1998 · N22608 · Bell 412 · Fuel Quantity IndicatorSDR HEEA0014902Gyro · malfunctionedGYRO CAUSED PITCH AFCS TO PORPOISE.Jun 22, 1998 · N2149S · Bell 412 · Auto Flight SystemSDR HEEA0014900Tarsyn · malfunctionedPITCH AXIS KICKING IN ATT MODE ONLY.Jun 22, 1998 · N5759N · Bell 412 · Auto Flight SystemSDR HEEA0014898Control Unit · failedCONTROL UNIT HAS NO OUTPUT.Jun 22, 1998 · N21498 · Bell 412 · DC Generating SystemSDR HEEA0014892Cap Assembly · deterioratedRUBBER DETERIORATED ON M/R CAP ASSY.Jun 22, 1998 · N7128R · Bell 412 · Main Rotor HeadSDR HEEA0014891Cap Assembly · tornRUBBER TORN AND DETERIORATED ON M/R CAP ASSY.Jun 22, 1998 · N141PH · Bell 412 · Main Rotor HeadSDR HEEA0014888Actuator · failedSTEP ACTUATOR TRIPS CIRCUIT BREAKER.Jun 22, 1998 · N3893L · Bell 412 · Entrance StairsSDR HEEA0014886Transceiver · failedTRANSCEIVER INDICATES 15 ON GROUND. INCONSISTENT TEST OPERATION.Jun 22, 1998 · N141PH · Bell 412 · VHF Communications SystemSDR HEEA0014883Bevel Gear · corrodedBEVEL GEAR CORROSION FRETTING ON MOUNTING FACE.Jun 22, 1998 · N1202T · Bell 412 · Main Rotor GearboxSDR HEEA0014882Shaft · corrodedSHAFT CORROSION FRETTING ON MOUNTING FACE.Jun 22, 1998 · N1202T · Bell 412 · Main Rotor GearboxSDR HEEA0014881Shaft · corrodedSHAFT CORROSION FRETTING ON GEAR MOUNTING SURFACE.Jun 22, 1998 · N22347 · Bell 412 · Main Rotor GearboxSDR HEEA0014874Fuel Boost Pump · pressure lossBOOST PUMP HAS INTERMITTENT PRESSURE LOSS.Jun 22, 1998 · N3893P · Bell 412 · Fuel Boost PumpSDR HEEA0014867Actuator · malfunctionedFORCE TURN RELEASES ON ITS OWN.Jun 22, 1998 · N2149S · Bell 412 · Main Rotor ControlSDR HEEA0014866Actuator · malfunctionedACTUATOR WILL NOT TEST IN LATERAL MODE.Jun 22, 1998 · N3893S · Bell 412 · Main Rotor ControlSDR HEEA0014865Transmitter · malfunctionedFLUX VALVE FREQUENCY BETWEEN F AND B AND F AND C IS HIGH ON TRANSMITTER.Jun 22, 1998 · N22608 · Bell 412 · Directional Gyro and Indicating SystemSDR HEEA0014856Actuator · bindingACTUATOR BINDING IN-FLIGHT.Jun 22, 1998 · N7128R · Bell 412 · Main Rotor ControlSDR HEEA0014849Detector · malfunctionedNO AUDIO ON PILOT'S SIDE. RPM LIMIT DETECTOR MALFUNCTION.Jun 22, 1998 · N3893P · Bell 412 · Main Rotor Indicating SystemSDR HEEA0014848Actuator · failedAFTER BEEPING TO FULL DECREASE RPM, RPM WILL GRADUALLY INCREASE.Jun 22, 1998 · N6559Z · Bell 412 · Main Rotor ControlSDR HEEA0014845Indicator · fluctuatesTEMPERATURE NEEDLE FLUCTUATES WHEN VIBRATED.Jun 22, 1998 · N33008 · Bell 412 · Main Rotor GearboxSDR HEEA0014843Indicator · intermittentNR 2 NEEDLE ON TRIPLE TACHOMETER HAS INTERMITTENT OPERATION STATUS.Jun 22, 1998 · N2298Z · Bell 412 · Engine RPM Indicating SystemSDR HEEA0014842Inverter · failedAC SYSTEM INVERTER HAS LOW OUTPUT.Jun 22, 1998 · N22347 · Bell 412 · AC InverterSDR HEEA0014835Valve · inoperativeVALVE INOPERATIVE, MOTOR DOES NOT TURN.Jun 22, 1998 · N7128R · Bell 412 · Fuel Selector/Shut-Off ValveSDR HEEA0014834Valve · damagedHEATER IS INOPERATIVE AND VALVE THREADS ARE DAMAGED.Jun 22, 1998 · N2298Z · Bell 412 · Heating SystemSDR HEEA0014807Indicator · stickingTRIPLE TACHOMETER'S NR 1 NEEDLE STUCK, UNIT FUNCTION CHECKED BAD, NEEDLES ARE ERRATIC AND HAVE AT LEAST 2 DEGREES SPLIT BETWEEN THEM. TIME SINCE REPAIR 118:25 HOURS.Jun 17, 1998 · N2298Z · Bell 412 · Engine RPM Indicating SystemSDR HEEA0014788Indicator · stickingGAUGE STICKS AND DROPS TO ZERO, UNIT FUNCTION CHECKED BAD, UNIT HAS NO NEEDLE MOVEMENT.Jun 17, 1998 · N22608 · Bell 412 · Engine RPM Indicating SystemSDR HEEA0014783Power Supply · inoperativeSTROBE LIGHT INOPERATIVE AFTER 3 MINUTES.Jun 11, 1998 · N21498 · Bell 412 · Exterior LightingSDR HEEA0014782Gearbox · making metalCOMBINING GEARBOX MAKING METAL.Jun 11, 1998 · N3893N · Bell 412 · Turbine Engine Reduction GearSDR HEEA0014781Gearbox · failedCOMBINING GEARBOX MAKING METAL.Jun 11, 1998 · N107X · Bell 412 · Turbine Engine Reduction GearSDR HEEA0014770Transmitter · malfunctionedFUEL PRESSURE TRANSMITTER CAUSES INDICATOR TO PEG OUT.Jun 11, 1998 · N33008 · Bell 412 · Fuel Pressure IndicatingSDR HEEA0014767Altimeter · failedENCODER READS OUT OF TOLERANCE ON DOWN-SCALE CHECK.Jun 11, 1998 · N2148K · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA0014759Cap Assembly · crackedCROSSTUBE RUBBER ON CAP ASSY IS CRACKING AND DEFORMED.Jun 11, 1998 · N141PH · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA0014757Actuator · inoperativeACTUATOR DOES NOT WORK FORE AND AFT.Jun 11, 1998 · N3893L · Bell 412 · Main Rotor Control
Back to Bell 412