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 HEEA073660Bleed Valve · failedCAUSED COMPRESSOR STALL AT 84 PERCENT N1. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N2298Z · Bell 412 · Compressor Bleed ValveSDR HEEA073659Gearbox · damagedTRANSFERRING OIL FROM C-BOX TO NR 1 ENGINE. IN SHOP REPAIR.Jun 19, 2001 · N5759N · Bell 412 · Powerplant SystemSDR HEEA073658Tarsyn · intermittentINTERMITTENT KICK IN THE AFCS SYSTEM WHEN SWITCHING BETWEEN SAS AND ATT MODES. IN SHOP REPAIR.Jun 19, 2001 · N6559Z · Bell 412 · Autopilot SystemSDR HEEA073657Governor · malfunctionedACCELERATES VERY FAST. IN SHOP REPAIR.Jun 19, 2001 · N2298Z · Bell 412 · Turbine GovernorSDR HEEA073656Crosstube · corrodedFOUND CORROSION UNDER SADDLE TO A DEPTH OF .022 BEFORE TOTAL CLEAN UP. SENDING TO VENDOR FOR CREDIT.Jun 19, 2001 · N6559Z · Bell 412 · Wheel/Ski/FloatSDR HEEA073655Valve · bypassingBYPASS BUTTON POPPED. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N5759N · Bell 412 · Hydraulic System, MainSDR HEEA073653Indicator · reads lowREADS LOW. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N142PH · Bell 412 · Main Rotor GearboxSDR HEEA073652Bearing · damagedBEARING RACE SPINNING. IN SHOP REPAIR.Jun 19, 2001 · N2298Z · Bell 412 · Engine Oil CoolerSDR HEEA073651Tube · wornWORN AT LOCATION WHERE EXCLUDER SEAL RIDES. IN SHOP REPAIR.Jun 19, 2001 · N6559Z · Bell 412 · Engine Oil CoolerSDR HEEA073650Blower · failedBURNT OUT. IN SHOP REPAIR.Jun 19, 2001 · N2298Z · Bell 412 · Air Distribution FanSDR HEEA073649Altimeter · reads highREADS 90 FEET HIGH. IN SHOP REPAIR.Jun 19, 2001 · N107X · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA073648Indicator · intermittentDISPLAY FLASHES ON/OFF INTERMITTENTLY. IN SHOP REPAIR.Jun 19, 2001 · N5759N · Bell 412 · DME/TACAN SystemSDR HEEA073647Indicator · intermittentSEGMENT LIGHT INTERMITTENTLY GOES BLANK IN NR 2 POSITION. IN SHOP REPAIR.Jun 19, 2001 · N2148K · Bell 412 · DME/TACAN SystemSDR HEEA073646Indicator · failedDIGITS OUT. IN SHOP REPAIR.Jun 19, 2001 · N3893L · Bell 412 · DME/TACAN SystemSDR HEEA073645Altimeter · erraticDISPLAYS ERRATIC ALTITUDE. IN SHOP REPAIR.Jun 19, 2001 · N142PH · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA073644Gps · failedCANNOT FIND ITSELF. IN SHOP REPAIR.Jun 19, 2001 · N22347 · Bell 412 · Global Positioning SystemSDR HEEA073639Valve · corrodedCANNON PLUG WAS CORRODED TO CONNECTOR AND WHEN CANNON PLUG WAS REMOVED VALVE CONNECTOR CAME OFF WITH CANNON PLUG.Jun 18, 2001 · N1202T · Bell 412 · Engine Oil Shutoff ValveSDR HEEA073638Valve · stuckWILL NOT OPEN - STICKS.Jun 18, 2001 · N142PH · Bell 412 · Engine Oil Shutoff ValveSDR HEEA073637Actuator · inoperativeINOPERATIVE.Jun 18, 2001 · N6559Z · Bell 412 · Engine Air Intake SystemSDR HEEA073615Bearing · wornBEARING WORN. REPLACED WITH SERVICEABLE PART.Jun 18, 2001 · N108X · Bell 412 · Engine ControlsSDR HEEA073614Bellcrank · wornBEARING WORN. REPLACED WITH SERVICEABLE PART.Jun 18, 2001 · N107X · Bell 412 · Tail Rotor Control SystemSDR HEEA073613Bellcrank · wornBEARING WORN. REPLACED WITH SERVICEABLE PART.Jun 18, 2001 · N2261D · Bell 412 · Tail Rotor Control SystemSDR HEEA073612Bellcrank · damagedSNAP RING MISSING FROM BEARING. REPLACED WITH SERVICEABLE PART.Jun 18, 2001 · N1202T · Bell 412 · Tail Rotor Control SystemSDR HEEA073611Bellcrank · wornWORN BEARINGS. REPLACED WITH SERVICEABLE BELLCRANK.Jun 18, 2001 · N2261D · Bell 412 · Tail Rotor Control SystemSDR HEEA073610Bellcrank · damagedBEARING UNSTAKED. REPLACED WITH SERVICEABLE BELLCRANK.Jun 18, 2001 · N3893L · Bell 412 · Tail Rotor Control SystemSDR HEEA073609Indicator · stuckNEEDLE STICKS, AMP METER SIDE.Jun 18, 2001 · N142PH · Bell 412 · DC Indicating SystemSDR HEEA073602Blower · failedPOPS CIRCUIT BREAKER. REPLACED WITH SERVICEABLE PART.Jun 18, 2001 · N142PH · Bell 412 · Air Distribution FanSDR ERAA074620Control Head · misrepairedCONTROL HEAD MODIFIED INCORRECTLY. WAS MODIFIED TO S INSTEAD OF A.Jun 14, 2001 · N167EH · Bell 412 · VHF Communications SystemSDR ERAA074615Indicator · reads highTRIPLE TACH REM'D FROM AIRCRAFT AFTER 111.3 HRS AFTER O/H WITH ROTOR NEEDLE READING 5 PERCENT HIGH.Jun 12, 2001 · N418EH · Bell 412 · Engine RPM Indicating SystemSDR ERAA074613Converter · malfunctionedNEW CONVERTER REC'D FROM ANCHORAGE ORDERED FROM BENZ AIRBORNE. UNIT WILL NOT ADJUST LOW ENOUGH. ONLY HAS 15.5 HRS SINCE NEW. RETURNING TO BENZ ON ERA REPAIR ORDER RW-884522 REQUESTING WARRANTY REPAIR.Jun 12, 2001 · N412EH · Bell 412 · DC Rectifier/ConverterSDR ERAA073271Screw · strippedSCREW IS STRIPPED. SCREWS STRIPPED OR BACKING OUT OF VALVE BODY. NOTE: SCREWS WERE LOCK WIRED. TMay 21, 2001 · N419EH · Bell 412 · Fuel Boost PumpSDR HEEA073089Bearing · damagedBEARINGS EXTREMELY TIGHT. BURNISHED BEARING USING BOLT AND TURNING SLOWLY. A SLIVER OF BEARING RACE FELL OUT. APPARENTLY WHAT WAS CAUSING THE TIGHTNESS IN THE FIRST PLACE. ONCE THIS SLIVER WAS OUT THE BEARINGS ARE TOO LOOSE AND WOULD ONLY HAVE HALF ITS LIFMay 9, 2001 · Bell 412 · Engine Mount SectionSDR HEEA073013Harness · chafedWHILE IN CRUISE FLIGHT THE 115 VOLT AFCS CIRCUIT BREAKER POPPED. MAINTENANCE TURNED BATTERY POWER ON AND THE MASTER CAUTION PANEL CIRCUIT BREAKER POPPED ALSO, WITH VISIBLE SMOKE. FOUND CHAFED WIRE BUNDLE WHERE IT EXITS WINDSHIELD POST AREA AT FORWARD EDGE OF May 7, 2001 · N142PH · Bell 412 · AC Power Distribution SystemSDR HEEA072901Valve · failedWILL NOT REGULATE TEMPERATURE, STAYS FULL HOT.May 1, 2001 · N1202T · Bell 412 · Heating SystemSDR HEEA072900Converter · inoperativeCONVERTER INOPERATIVE.May 1, 2001 · N6559Z · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA072895Tube · crackedDURING CRUISE FLIGHT THE NR 1 HYDRAULIC SYSTEM LIGHT CAME ON. MAINTENANCE FOUND A CRACKED TUBE.May 1, 2001 · N3911L · Bell 412 · Hydraulic System, MainSDR HEEA072729Computer · failedKICK OFF IN FLIGHT AND WANDERS AFTER SET IN CRUISE FLIGHT. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N3911L · Bell 412 · Autopilot ComputerSDR HEEA072728Plate · missingFACE PLATE MISSING.Apr 19, 2001 · N6559Z · Bell 412 · Weather Radar SystemSDR HEEA072727Inverter · failedWOULD NOT TURN ON.Apr 19, 2001 · N2261D · Bell 412 · AC InverterSDR HEEA072725Panel · crackedCRACKED. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N1202T · Bell 412 · Fuselage Main, Plate/SkinSDR HEEA072724Hinge · brokenBROKEN. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N107X · Bell 412 · Passenger/Crew DoorsSDR HEEA072723Bearing · wornBEARINGS WORN AND MAKING MUD. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N2261D · Bell 412 · Passenger/Crew DoorsSDR HEEA072722Bracket · wornWORN. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N3893L · Bell 412 · Fuselage Miscellaneous StructureSDR HEEA072721Quill Assy · leakingROTORBRAKE QUILL LEAKING. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N142PH · Bell 412 · Main Rotor GearboxSDR HEEA072719Heater · inoperativeHEATER INOPERATIVE. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N2261D · Bell 412 · Pitot/Static Anti-Ice SystemSDR HEEA072716Interphone · weakBOTH VHF RADIOS WEAK AND GARBLED. PERFORMED PRELIMINARY INSPECTION. FOUND TRANSMIT LEVELS R36-R41 SET TOO LOW. SET LEVELS TO 9V. REPAIRED. ALSO FOUND LIGHT PANEL AND VOLUME AND TRANSMIT KNOBS BAD. REPLACED. BENCH CHECK GOOD.Apr 19, 2001 · N2298Z · Bell 412 · Interphone/Passenger Announcement (PA) SystemSDR HEEA072713Interphone · inoperativeINOPERATIVE - LOW RECEIVE AUDIO.Apr 19, 2001 · N107X · Bell 412 · Interphone/Passenger Announcement (PA) SystemSDR HEEA072710Indicator · inaccurateWHEN RADAR IS IN STANDBY MODE AZIMUTH LINES ARE VISIBLE. PERFORMED PRELIMINARY INSPECTION. FOUND LOGIC NR 2 BOARD IC U1346 HAS COLD SOLDER JOINT ON PIN 9. RESOLDERED IC. REPAIRED. BENCH CHECK GOOD.Apr 19, 2001 · N2149S · Bell 412 · Weather Radar SystemSDR HEEA072709Indicator · inaccurateNOT PAINTING PROPER PICTURE. PERFORMED PRELIMINARY INSPECTION. FOUND SPIKES ON TEST PATTERN. TROUBLESHOT AND FOUND C1220 ON LOGIC NR 1 BOARD BAD. REPLACED C1220. REPAIRED. BENCH CHECK GOOD.Apr 19, 2001 · N2149S · Bell 412 · Weather Radar SystemSDR HEEA072708Indicator · failedWOULD NOT GO INTO TEST MODE. ALSO HAD FALSE TARGETS ON HIGH RANGE SETTINGS. FOUND DISPLAY TEST PATTERN INTERMITTENTLY DROPPING OFF. FOUND LOGIC NR 1 BOARD CAUSING PROBLEM. REPLACED LOGIC #1 BOARD FROM P40 INDICATOR. REPAIRED. BENCH CHECK GOOD.Apr 19, 2001 · N2149S · Bell 412 · Weather Radar System
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