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 HEEA084555Blade · crackedMAIN ROTOR BLADE OUTBOARD ABRASION STRIP HAS A CRACK NEAR THE SPLICE AREA.Feb 14, 2003 · N22608 · Bell 412 · Main Rotor BladesSDR HEEA084553Blade · damagedMAIN ROTOR BLADE DAMAGED, UNABLE TO TRACK OR BALANCE. APPEARS TO BE HEAVY.Feb 14, 2003 · N2014K · Bell 412 · Main Rotor BladesSDR HEEA084552Blade · damagedMAIN ROTOR BLADE OUTBOARD ABRASION STRIP HAS EROSION HOLES. SENT TO INTERNATIONAL AVIATION COMPOSITES FOR INSPECTION AND REPAIR.Feb 14, 2003 · N33008 · Bell 412 · Main Rotor BladesSDR HEEA084551Blade · damagedMAIN ROTOR BLADE OUTBOARD ABRASION STRIP HAS EROSION HOLE THROUGH THE STRIP. SENT TO INTERNATIONAL AVIATION COMPOSITES FOR INSPECTION AND REPAIR.Feb 14, 2003 · N22347 · Bell 412 · Main Rotor BladesSDR HEEA084545Indicator · will not testATTITUDE INDICATOR WON'T TEST.Feb 14, 2003 · N3893L · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA084543Battery · weakMAIN BATTERY WEAK.Feb 14, 2003 · N142PH · Bell 412 · Battery/Charger SystemSDR HEEA084542Battery · weakMAIN BATTERY WEAK.Feb 14, 2003 · N2148K · Bell 412 · Battery/Charger SystemSDR HEEA084541Battery · weakMAIN BATTERY WEAK.Feb 14, 2003 · N3893L · Bell 412 · Battery/Charger SystemSDR HEEA084540Indicator · will not testSTANDBY ALTIMETER WILL NOT TEST. REPAIRED.Feb 14, 2003 · N22347 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA084539Battery · dischargedMAIN BATTERY DEAD.Feb 14, 2003 · N2148K · Bell 412 · Battery/Charger SystemSDR HEEA084538Battery · weakMAIN BATTERY WEAK.Feb 14, 2003 · N108X · Bell 412 · Battery/Charger SystemSDR HEEA084537Battery · weakMAIN BATTERY WEAK.Feb 14, 2003 · N3893P · Bell 412 · Battery/Charger SystemSDR HEEA084536Indicator · erraticFUEL QTY INDICATION ERRATIC; WILL NOT RETURN TO SAME POSITION ON TEST.Feb 14, 2003 · N2258F · Bell 412 · Fuel Quantity IndicatorSDR HEEA084534Indicator · stuckFUEL QTY INDICATOR NEEDLE STICKS COMING DOWN.Feb 14, 2003 · N2258F · Bell 412 · Fuel Quantity IndicatorSDR HEEA084533Switch · failedSIDE TO SIDE TOTAL READINGS AT 240 LBS. REPLACED SWITCH.Feb 14, 2003 · N2258F · Bell 412 · Fuel Indicating SystemSDR HEEA084532Fuel Control · failedDURING FUEL CROSS FEED CHECK THE NR 2 ENGINE FLAMED OUT. FLOW PROBLEMS (INCONSISTENT). THE BYPASS VALVE WAS STUCK. REPLACED VALVE AND SLEEVE. UNIT TESTED SATISFACTORY.Feb 14, 2003 · N6559Z · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA084531Bleed Valve · failedBLEED VALVE CAUSES COMPRESSOR STALLS WHEN ROLLING THROTTLE TO FULL OPEN.Feb 14, 2003 · N3893L · Bell 412 · Compressor Bleed ValveSDR HEEA084530Battery · weakMAIN BATTERY WEAK. REPAIRED.Feb 14, 2003 · N3893L · Bell 412 · Battery/Charger SystemSDR HEEA084529Battery · weakMAIN BATTERY WEAK. REPAIRED.Feb 14, 2003 · N6559Z · Bell 412 · Battery/Charger SystemSDR HEEA084528Charger · malfunctionedCHARGING SYSTEM MALFUNCTION RAN BATTERY DOWN. REPAIRED.Feb 14, 2003 · N2148K · Bell 412 · Battery/Charger SystemSDR HEEA084527Battery · dischargedMAIN BATTERY IS SLOW TO CHARGE. REPAIRED.Feb 14, 2003 · N2148K · Bell 412 · Battery/Charger SystemSDR HEEA084526Battery · dischargedMAIN BATTERY SLOW TO CHARGE. REPAIRED.Feb 14, 2003 · N2148K · Bell 412 · Battery/Charger SystemSDR HEEA084525Battery · dischargedBATTERY HAS LOW VOLTAGE. REPAIRED.Feb 14, 2003 · N108X · Bell 412 · Battery/Charger SystemSDR HEEA084524Battery · weakMAIN BATTERY WEAK. REPAIRED.Feb 14, 2003 · N7128R · Bell 412 · Battery/Charger SystemSDR HEEA084523Bleed Valve · failedTROUBLESHOOTING BLEED VALVE FOR HIGH ITT.Feb 14, 2003 · N2149S · Bell 412 · Compressor Bleed ValveSDR HEEA084522Bleed Valve · failedBLEED VALVE FAILED ENGINE HAS HIGH ITT AND N1 SPEED.Feb 14, 2003 · N142PH · Bell 412 · Compressor Bleed ValveSDR HEEA084521Battery · weakMAIN BATTERY WEAK. REPAIRED.Feb 14, 2003 · N3893P · Bell 412 · Battery/Charger SystemSDR HEEA084520Battery · weakMAIN BATTERY WEAK. REPAIRED.Feb 14, 2003 · N3893N · Bell 412 · Battery/Charger SystemSDR HEEA084519Governor · oscillatesGOVERNOR CAUSING OSCILLATION WHEN POWER IS APPLIED. REPAIRED.Feb 14, 2003 · N3893N · Bell 412 · Turbine GovernorSDR HEEA084518Governor · failedHIGH SIDE GOVERNOR FAILURE. REPAIRED.Feb 14, 2003 · N2149S · Bell 412 · Turbine GovernorSDR HEEA084517Governor · malfunctionedLOW SIDE FAILURE. FOUND GOVERNOR RESPONSE SLOW. FOUND ACTION OF FLYWEIGHTS SLOW DUE TO DIRTY AND WORN COATING ON FLYWEIGHT PINS. ALSO FOUND SLIGHT WEAR ON TEFLON TUBE. REPLACED PINS AND TUBE. UNIT TESTED SATISFACTORY.Feb 14, 2003 · N107X · Bell 412 · Turbine GovernorSDR HEEA084516Governor · malfunctionedTORQUE SPLIT. FOUND GOVERNOR BREAK SLOW TO RESPOND. REPLACED TEFLON TUBE AND ROLLER BEARINGS DUE TO WEAR. UNIT TESTED SATISFACTORY.Feb 14, 2003 · N3893N · Bell 412 · Turbine GovernorSDR HEEA084515Governor · malfunctionedBEEP RANGE KEEPS CHANGING. FOUND GOVERNOR ACTION TO BE A LITTLE SLUGGISH. FOUND FLYWEIGHT PINS COATING TO BE SLIGHTLY WORN AND TEFLON FLYWEIGHT WASHERS ALSO WORN. REPLACED PARTS AND UNIT TESTED SATISFACTORY.Feb 14, 2003 · N2148K · Bell 412 · Turbine GovernorSDR HEEA084514Governor · damagedTROUBLESHOOTING. FOUND GOVERNOR BREAK LOW AND UNIT HANGING. SPLIT UNIT AND INSPECTED INTERIOR AND FOUND FLYWEIGHTS STICKING SLIGHTLY. CLEANED FLYWEIGHT PINS AND RETESTED. UNIT TESTED OK.Feb 14, 2003 · N107X · Bell 412 · Turbine GovernorSDR HEEA084513Governor · malfunctionedFREE TURBINE GOVERNOR PRODUCING N1, ITT, N2 OSCILLATION AT FLAT PITCH AND FLIGHT. REPAIRED.Feb 14, 2003 · N2148K · Bell 412 · Turbine GovernorSDR HEEA084512Governor · oscillatesFREE TURBINE GOVERNOR PRODUCING ENGINE OSCILLATION. REPAIRED.Feb 14, 2003 · N2148K · Bell 412 · Turbine GovernorSDR HEEA084511Check Valve · crackedHYDRAULIC SYSTEM CHECK VALVE IS CRACKED. SCRAPPED.Feb 14, 2003 · N6559Z · Bell 412 · Hydraulic System, MainSDR HEEA084510Arm · stiffWINDSHIELD WIPER ARM STIFF, SPRING WILL NOT HOLD WIPER ON WINDOW. REPAIRED.Feb 14, 2003 · N22608 · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA084509Arm · corrodedWINDSHIELD WIPER ARM CORRODED. SCRAPPED.Feb 14, 2003 · N2258F · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA084508Arm · stiffWINDSHIELD WIPER ARM STIFF, CANNOT ADJUST TENSION. SCRAPPED.Feb 14, 2003 · N1202T · Bell 412 · Windshield/Door Rain/Ice RemovalSDR HEEA084507Starter Gen · malfunctionedSTARTER GENERATOR DRAGGING CAUSING ENGINE TO START HOTTER THAN NORMAL.Feb 14, 2003 · N2148K · Bell 412 · Starter-GeneratorSDR HEEA084506Starter Gen · malfunctionedSTARTER GENERATOR DRAGGING.Feb 14, 2003 · N107X · Bell 412 · Starter-GeneratorSDR HEEA084505Indicator · malfunctionedATTITUDE INDICATOR FLAG WON'T PULL. IN SHOP REPAIR.Feb 14, 2003 · N108X · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA084504Indicator · malfunctionedTHE WORD "WAIT" APPEARS ON THE WEATHER RADAR SCREEN MOST OF THE OPERATING TIME AND WILL GO OUT. IN SHOP REPAIR.Feb 14, 2003 · N107X · Bell 412 · Weather Radar SystemSDR HEEA084503Interphone · malfunctionedINTERPHONE BOX PRODUCING STATIC WHEN TRANSMITTING. IN SHOP REPAIR.Feb 14, 2003 · N6559Z · Bell 412 · Interphone/Passenger Announcement (PA) SystemSDR HEEA084502Light · inoperativeANTI COLLISION LIGHT INTERNAL MECHANISM INOPERATIVE. IN SHOP REPAIR.Feb 14, 2003 · N22347 · Bell 412 · Exterior LightingSDR HEEA084501Gyro · precessesHORIZON GYRO PRECESSES. IN SHOP REPAIR.Feb 14, 2003 · N6559Z · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA084500Seat Belt · wornSEAT BELT WORN. TO BE SENT TO VENDOR FOR REPAIR.Feb 14, 2003 · N142PH · Bell 412 · Flight Compartment EquipmentSDR HEEA084499Rod End Bearing · wornMAIN ROTOR ROD END HAS A WORN BEARING. IN SHOP FOR REPAIR.Feb 14, 2003 · N6559Z · Bell 412 · Main Rotor HeadSDR HEEA084498Rod End Bearing · wornMAIN ROTOR ROD END HAS A WORN BEARING. IN SHOP FOR REPAIR.Feb 14, 2003 · N6559Z · Bell 412 · Main Rotor Head
Back to Bell 412