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 HEEA076293Oil Cooler · leakingOIL COOLER LEAKS.Oct 1, 2001 · N2258F · Bell 412 · Engine Oil CoolerSDR HEEA076292Combining Box · making metalC-BOX MAKING METAL.Oct 1, 2001 · N800Y · Bell 412 · Engine/Transmission CouplingSDR HEEA076291Transmission · making metalTRANSMISSION MAKING METAL. SENT TO DRAKE AIR FOR INSPECTION AND REPAIR.Oct 1, 2001 · N800Y · Bell 412 · Main Rotor GearboxSDR HEEA076290Oil Cooler · contaminatedMETAL CONTAMINATED.Oct 1, 2001 · N2148K · Bell 412 · Engine Oil CoolerSDR HEEA076288Oil Cooler · malfunctionedHIGH TEMPERATURE READINGS ABOUT 100 DEGREES IN RED LINE. ALSO C-BOX CAUTION LIGHT CAME ON. REPLACED WITH SERVICEABLE COOLER.Oct 1, 2001 · N1202T · Bell 412 · Engine Oil CoolerSDR HEEA076287Oil Cooler · leakingLEAKING FROM CENTER SECTION. REPLACED WITH SERVICEABLE COOLER.Oct 1, 2001 · N1202T · Bell 412 · Engine Oil CoolerSDR HEEA076286Oil Cooler · making metalMETAL IN OIL.Oct 1, 2001 · N1202T · Bell 412 · Engine Oil CoolerSDR ERAA076650Air Filter · debondedPART IS DEBONDED. INSTALLED ON NR 2 ENGINE BUT FILTER FELL APART. THIS INFO FOR FAA SDR. FILTERS PURCHASED FROM PUR-FLOW MFG.Sep 28, 2001 · N412EH · Bell 412 · Engine Bleed Air SystemSDR ERAA076649Air Filter · debondedPART IS DEBONDED. INSTALLED ON NR 1 AND NR 2 ENGINE BUT BOTH FILTERS DEBONDED AND FELL APART IMMEDIATIATELY.Sep 28, 2001 · N412EH · Bell 412 · Engine Bleed Air SystemSDR ERAA076648Air Filter · debondedPART IS DEBONDED. THIS INFORMATION FOR FAA SDR ONLY. PURCHASED FROM PUR FLOW MFG.Sep 27, 2001 · N164EH · Bell 412 · Engine Bleed Air SystemSDR ERAA076647Air Filter · debondedPART IS DEBONDED. FILTER PURCHASED FROM PUR FLOW MFG. IMMEDIATELY COME APART AFTER INSTALLATION.Sep 27, 2001 · N422EH · Bell 412 · Engine Bleed Air SystemSDR ERAA076643Air Filter · debondedPART IS DEBONDED. THIS PARTICULAR AIR FILTER HAD 106.0 HRS BUT HAVE TRIED SEVERAL OTHERS AND IMMEDIATELY AIR FILTERS BEGAN TO BREAK DOWN AND DEBOND.Sep 21, 2001 · N412EH · Bell 412 · Engine Bleed Air SystemSDR HEEA076018Signal Cond Unit · out of adjCOULD NOT ADJUST E TO -.03PF WHEN CALIBRATING NR 1 FUEL SYSTEM.Sep 17, 2001 · Bell 412 · Fuel Indicating SystemSDR HEEA076017Actuator · frozenACTUATOR MOTOR FROZEN.Sep 17, 2001 · Bell 412 · Entrance StairsSDR HEEA075957Encoder · failedGPS DISPLAYS EXTERNAL ALTIMETER LOST COMMUNICATIONS MESSAGE. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2148K · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA075956Gps · failedRAIM UNAVAILABLE.Sep 10, 2001 · N33008 · Bell 412 · Global Positioning SystemSDR HEEA075954Rod End · wornWORN. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2149S · Bell 412 · Main Rotor ControlSDR HEEA075953Shoe · wornWORN. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N5759N · Bell 412 · Main Landing Gear Strut/Axle/TruckSDR HEEA075952Blade · crackedLARGE CRACK BY MID TRIM TAB. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N142PH · Bell 412 · Main Rotor BladesSDR HEEA075951Link · wornWORN BEARING. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2149S · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA075950Link · wornWORN BEARING. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2149S · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA075949Link · wornWORN BEARING. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N5759N · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA075948Bearing · wornWORN BEARING. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N107X · Bell 412 · Main Rotor HeadSDR HEEA075947Fuel Control · out of adjNO TOPPING ADJUSTMENT LEFT. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N3893L · Bell 412 · Fuel Controlling SystemSDR HEEA075944Check Valve · intermittentINTERMITTENT LIGHT. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2148K · Bell 412 · Aircraft Fuel Distribution SystemSDR HEEA075943Servo · leakingTOP PILOT VALVES LEAK WHEN THE AIRCRAFT IS STATIC, NOT RUNNING. NO LEAKS WHEN AIRCRAFT RUNS IS A STATIC LEAK ONLY. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N2149S · Bell 412 · Rotorcraft Servo SystemSDR HEEA075942Indicator · fluctuatesFLUCTUATING AT HIGH TEMPERATURES. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N5759N · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA075941Hanger Assy · leakingCOUPLING LEAKING GREASE. REPLACED WITH SERVICEABLE PART.Sep 10, 2001 · N107X · Bell 412 · Tail Rotor Drive ShaftSDR HEEA075936Exciter · failedCAUSING THE CIRCUIT BREAKER TO POP.Sep 10, 2001 · N2258F · Bell 412 · ExciterSDR HEEA075933Pump · inoperativeWHILE IN CRUISE FLIGHT, NR 2 TRANSFER LIGHT ILLUMINATED. REPLACED INOPERATIVE NR 2 TRANSFER PUMP.Sep 10, 2001 · N2149S · Bell 412 · Fuel Transfer ValveSDR HEEA075649Bearing · wornWORN BEARING. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Aug 28, 2001 · N2148K · Bell 412 · Engine Mount SectionSDR HEEA075646Indicator · reads lowREADS 5 PSI LOW. REPLACED WITH SERVICEABLE PART.Aug 28, 2001 · N142PH · Bell 412 · Engine Oil PressureSDR HEEA075645Indicator · reads highREADS 30 PSI HIGH. REPLACED WITH SERVICEABLE PART.Aug 28, 2001 · N142PH · Bell 412 · Engine Oil TemperatureSDR HEEA075644Regulator · malfunctionedNOT MARKING PROPERLY.Aug 28, 2001 · Bell 412 · Engine Oil Temperature RegulatorSDR HEEA075643Actuator · inoperativeACTUATOR INOPERATIVE.Aug 28, 2001 · N108X · Bell 412 · Engine Air Intake SystemSDR HEEA075642Switch · malfunctionedFLICKERING LIGHT. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Aug 28, 2001 · N6559Z · Bell 412 · Fuel Pressure IndicatorSDR HEEA075613Indicator · inaccurateCOURSE SET 10 DEGREES OFF.Aug 28, 2001 · N5759N · Bell 412 · Attitude and Direction Data SystemSDR HEEA075612Indicator · malfunctionedRATCHETY IN FLIGHT AND CAUSES AFCS TO KICK.Aug 28, 2001 · N30YM · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA075611Indicator · malfunctionedCOURSE NEEDLE WILL NOT FOLLOW COPILOT'S COURSE NEEDLE.Aug 28, 2001 · N1202T · Bell 412 · Attitude and Direction Data SystemSDR HEEA075610Indicator · malfunctionedCAUSED THE FLIGHT DIRECTOR TO OSCILLATE IN HEADING MODE.Aug 28, 2001 · N1202T · Bell 412 · Flight Environment DataSDR AUS20010939Window · failed(AUS) LT SLIDING DOOR REAR WINDOW FAILED. MINOR DAMAGE TO HF RADIO ANTENNA CONNECTOR AND HORIZONTAL STABILISER.Aug 27, 2001 · Bell 412 · Passenger Compartment WindowsSDR HEEA075596Pump · inoperativeWHILE IN CRUISE FLIGHT, NR 2 FUEL TRANSFER LIGHT ILLUMINATED. REPLACED INOPERATIVE NR 2 TRANSFER PUMP.Aug 27, 2001 · N2149S · Bell 412 · Fuel Transfer ValveSDR HEEA075595Receiver · inoperativeADF RECEIVER INOPERATIVE.Aug 27, 2001 · N2149S · Bell 412 · Automatic Direction Finder (ADF) SystemSDR HEEA075594Control Unit · failedUNIT DOES NOT KEEP LAST TWO DIGITS WHEN TURNED ON. PERFORMED PRELIMINARY INSPECTION. FOUND IC 1205 BAD. REPLACED. BENCH CHECK GOOD.Aug 27, 2001 · N7128R · Bell 412 · VHF Communications SystemSDR HEEA075590Altimeter · inoperativeDH LIGHT IS INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND DH SWITCH BROKEN AND LENS CLAMP BROKEN. INSTALLED DH SWITCH AND LENS CLAMP. ALSO REPLACED THE PHOTOCELL. THE DH LIGHT STAYS ON AT ALL TIMES AND NO SELF TEST. SENT TO GREATLAKES AVIONICS FOR Aug 27, 2001 · N2149S · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA075589Receiver · failedBAD FROM STOCK. FOUND AT 60 DEGREES TO. NEEDLE DOES NOT FOLLOW WHEN TURNING COMPASS. SENT TO GREATLAKES AVIONICS FOR WARRANTY REPAIR.Aug 27, 2001 · N22347 · Bell 412 · VHF Communications SystemSDR HEEA075587Transponder · failedWENT DEAD. PERFORMED PRELIMINARY INSPECTION. FOUND CR106 DIODE BURNT AND C111 CAPACITOR SHORTED. ALSO FOUND C115 CAPACITOR BAD. REPLACED CR106 DIOD AND C111 AND C115 CAPACITORS. ADJUSTED MTL. UNIT BENCH CHECK GOOD.Aug 24, 2001 · N21498 · Bell 412 · ATC Transponder SystemSDR HEEA075577Transceiver · malfunctionedNO SIDETONE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT MODULATING AND TRANSMIT POWER OUT EXCESSIVE AND COULD NOT ADJUST EITHER. REPLACED BAD Q109 AND Q110 TRANSISTORS. REPAIRED. ADJUSTED POWER OUT AND SIDETONE. FOUND L505 COIL BROKEN. REPLACED COILAug 24, 2001 · N30YM · Bell 412 · VHF Communications SystemSDR HEEA075576Transceiver · malfunctionedSQUELCH STAYS ON ALL THE TIME AND THE RF CONNECTOR IS DAMAGED. PERFORMED PRELIMINARY INSPECTION. REPLACED BAD RF CONNECTOR. REPAIRED. ADJUSTED CARRIER SQUELCH, FREQUENCY AND POWER OUT. BENCH CHECK GOOD.Aug 24, 2001 · N142PH · Bell 412 · VHF Communications SystemSDR HEEA075572Amplifier · inoperativePA INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND FUSE F1 AND TRANSISTOR Q8 BAD. REPLACED. BENCH CHECK GOOD.Aug 21, 2001 · N33008 · Bell 412 · Entertainment System
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