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 HEEA078258Tube · wornEXHAUST TUBE BEARINGS WORN.Mar 13, 2002 · Bell 412 · Engine Exhaust SystemSDR HEEA078257Tube · wornEXHAUST TUBE BEARINGS WORN.Mar 13, 2002 · Bell 412 · Engine Exhaust SystemSDR AUS20020163Line · blocked(AUS) NR 2 ENGINE RPM REDUCED TO IDLE DURING FLIGHT. EXTENSIVE INVESTIGATION COULD FIND NO FAULT AND THE AIRCRAFT WAS RETURNED TO SERVICE. SUSPECT PROBLEM CAUSED BY TEMPORARY BLOCKAGE OF P3 AIR SUPPLY LINE.Mar 7, 2002 · Bell 412 · Fuel Controlling SystemSDR AUS20020157Pressure Switch · failed(AUS) FUEL PRESSURE SWITCH INTERNAL FAILURE. FUEL LEAKING FROM BODY.Feb 23, 2002 · Bell 412 · Fuel Pressure IndicatorSDR ERAA077924Housing · brokenAUX JET HOUSING CRACKED, HOUSING BROKEN IN TWO PIECES. ACTION TAKEN: REMOVED TOP CASE AND UPPER PLANETARY INSTALLED NEW HOUSING AND GASKET. REINSTALLED UPPER PLANETARY AND TOP CASE ALL WORK IAW BHT CR&O 63.Feb 19, 2002 · N422EH · Bell 412 · Main Rotor GearboxSDR HEEA077849Carbon Seal · crackedMAIN ROTOR CARBON RING PART OF SEAL ASSY CRACKED.Feb 15, 2002 · Bell 412 · Engine/Transmission CouplingSDR AUS20020101Pressure Switch · cracked(AUS) FUEL PRESSURE SWITCH FAULTY. FUEL LEAKING FROM SOLDERED JOINT ON PLUG FITTING LOCATED ON TOP OF SWITCH.Feb 12, 2002 · Bell 412 · Fuel Pressure SensorSDR HEEA077825Actuator · inoperativeSTEP ACTUATOR HAS NO MOVEMENT WITH 24 V. GOING IN AND GOOD GROUND.Feb 7, 2002 · Bell 412 · Entrance StairsSDR HEEA077728Clamp · damagedIN CRUISE FLIGHT, THE BAGGAGE FIRE LIGHT ILLUMINATED. PRIOR TO LANDING LIGHT WENT OUT, BUT CAME BACK ON DURING COOL DOWN. REPAIRED CHAFED WIRE AT ADEL CLAMP IN TAIL ROTOR SERVO COMPARTMENT.Jan 25, 2002 · N7128R · Bell 412 · Engine Bleed Air SystemSDR ERAA077896Impeller · bentIMPELLER BLADES ON OIL COOLERJan 17, 2002 · N412EH · Bell 412 · Engine Oil CoolerSDR ERAA077893Armature · missingBEARING JOURNAL BASE MISSING.Jan 16, 2002 · N418EH · Bell 412 · Starter-GeneratorSDR ERAA077892Armature · wornDRIVE END BEARING JOURNAL OUT OF LIMITS.Jan 16, 2002 · N168EH · Bell 412 · Starter-GeneratorSDR HEEA077670Valve · malfunctionedHEATER WILL NOT PUT OUT SUFFICIENT HEAT.Jan 11, 2002 · Bell 412 · Heating SystemSDR ERAA077889Seal · leakingENGINE HAS 2013.9 HRS SINCE OVERHAUL BY PRATT & WHITNEY. REMOVED FROM AIRCRAFT DUE TO HIGH OIL CONSUMPTION. USED 5QTS OF OIL IN 10.8 HRS; SUSPECTED COMP SEAL LEAK. RETURNING ON ERA REPAIR ORDER RW-887792 REQUESTING WARRANTY REPAIR DUE TO SUCH LOW TIME ON ENGJan 7, 2002 · N412EH · Bell 412 · Turbine Engine Compressor SectionSDR HEEA077437Actuator · inoperativeSTEP ACTUATOR WOULD NOT MOVE AT ALL.Dec 6, 2001 · Bell 412 · Entrance StairsSDR HEEA077435Wire · brokenNR 1 GENERATOR FAILED. MAINTENANCE FOUND WIRE BROKEN AT TERMINAL "A" ON NR 1 GENERATOR.Dec 3, 2001 · N33008 · Bell 412 · Electrical Power System WiringSDR ERAA077297Skin · damagedREMOVED FOR FLIGHT CHARACTERISTICS BLADE HAS CREASES UPPER AND LOWER, PAINT WORK NEEDED. L/S HAS SKIN DAMAGE WITH VOID AT STA 192-194, T/B AND CTR TRIM TABS HAVE SKIN DAMAGE WITH VOIDS, WATER FOUND IN CORE DURING BOND PREP FOR PATCHES, UPPER SURFACE SKIN DAMANov 16, 2001 · N168EH · Bell 412 · Main Rotor BladesSDR ERAA077296Bearing · making metalTRANSMISSION IS MAKING METAL. TAILROTOR QUILL BEARINGS CAUSE OF METAL CONTAMINATION. SEAL LEAKS. MAIN INPUT R/B QUILL, SYS II HYD QUILL AND AUX JETS ON RING GEAR CASE. ACTION TAKEN: REPAIRED, PARTIALLY DISASSEMBLED, VISUALLY INSPECTED EXPOSED COMP. INSTALLNov 16, 2001 · N418EH · Bell 412 · Main Rotor GearboxSDR ERAA077293Structure · corrodedVANE GUIDE ASSY HAS PITTING & CORROSION. COATING ASSY HAS MECHANICAL DAMAGE ON OUTER LIP. SLIGHT CORROSION ON LOCK PLATE. SPACER FAILED DUE TO MECHANICAL DAMAGE. IMPELLAR HAS CRACKED BLADES. ACTION TAKEN: DISASSEMBLED & STRIPPED PAINT. COMPLIED WITH VISUANov 15, 2001 · N417EH · Bell 412 · Engine Fuel/Oil CoolerSDR AUS20011187Blade · contaminated(AUS) TAIL ROTOR BLADE CORE CONTAMINATED WITH WATER. FOUND DURING X-RAY INSPECTION AFTER BLADE WAS UNABLE TO BE BALANCED AND WAS FOUND TO BE 66 GRAMS HEAVIER THAN THE MASTER BLADE.Nov 2, 2001 · Bell 412 · Tail Rotor BladesSDR HEEA077035Engine · failedSHORTLY AFTER DEPARTURE, IN CRUISE, PILOT HEARD SQUEAL, BANG AND LOW RPM AUDIO. NOTED NR 2 ENGINE FAILED. SECURED ENGINE AND COMPLETED FLIGHT WITH RUN ON LANDING.Nov 1, 2001 · N22347 · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA077006Harness · wornWORN. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N2149S · Bell 412 · Life JacketSDR HEEA077002Pin · looseCOPILOT THROTTLE WOULD NOT CONTROL THE NR 2 ENGINE. MAINTENANCE FOUND PIN CONNECTING COPILOT THROTTLE GRIP TO SHAFT IN COLLECTIVE STICK TO HAD BACKED OUT. REINSTALLED PIN.Oct 31, 2001 · N107X · Bell 412 · Auto Flight SystemSDR HEEA077001Connector · shortedFUEL VALVE LIGHT CAME ON. MAINTENANCE FOUND SHORTED CANNON PLUG AT NR 2 ENGINE LORI VALVE CAUSING FUEL VALVE TO CYCLE.Oct 31, 2001 · N22347 · Bell 412 · Fuel Indicating SystemSDR HEEA077000Bushing · wornWORN BUSHINGS AND BEARINGS. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N1202T · Bell 412 · Tail Rotor Control SystemSDR HEEA076999Radar · contaminatedWEATHER RADAR HAS GAPS IN DISPLAY, FLUTTER WHILE SWEEPING. FOUND WATER IN UNIT. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N2149S · Bell 412 · Weather Radar SystemSDR HEEA076996Indicator · malfunctionedPICTURE PULSES AND TEST PATTERN IS BROKEN AND OFF COLOR. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N107X · Bell 412 · Central ComputersSDR HEEA076995Radar · malfunctionedANTENNA WOULD NOT SWEEP. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N2149S · Bell 412 · Weather Radar SystemSDR HEEA076994Interphone · damagedVOLUME KNOB SHAFT LOOSE. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N2149S · Bell 412 · Interphone/Passenger Announcement (PA) SystemSDR HEEA076993Brake · wornPUCKS WORN AND BROKEN MICRO SWITCH. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N107X · Bell 412 · Main Rotor BrakeSDR HEEA076992Altimeter · reads lowREADS 125 FEET LOW. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N142PH · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA076991Control Unit · failedCAUSES GENERATOR TO KICK OFF LINE. PENDING VENDOR REPAIR.Oct 31, 2001 · N142PH · Bell 412 · DC Generating SystemSDR HEEA076990Control Unit · failedWON'T HOLD PARALLEL VOLTAGE. PENDING VENDOR REPAIR.Oct 31, 2001 · N142PH · Bell 412 · Electrical Power SystemSDR HEEA076989Universal · wornWORN BEARING. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N5759N · Bell 412 · Entrance StairsSDR HEEA076988Link · damagedSPUN BEARING. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N1202T · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA076987Support · wornWORN BEARING. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N1202T · Bell 412 · Main Rotor HeadSDR HEEA076986Bellcrank · inoperativeBEARING WILL NOT ROTATE. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N1202T · Bell 412 · Main Rotor ControlSDR HEEA076984Fuel Control · surgesENGINE SURGING AT 100 PERCENT NR. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N2149S · Bell 412 · Fuel Controlling SystemSDR HEEA076982Governor · oscillatesENGINE OSCILLATES AT 100 PERCENT ON GROUND. REPLACED WITH SERVICEABLE PART.Oct 31, 2001 · N5759N · Bell 412 · Turbine GovernorSDR HEEA076979Gyro · inoperativeCO-PILOT RATE OF TURN NEEDLE DOES NOT MOVE. PENDING VENDOR REPAIR.Oct 31, 2001 · N2148K · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA076978Actuator · intermittentSTICKS INTERMITTENTLY. PENDING VENDOR REPAIR.Oct 31, 2001 · N1202T · Bell 412 · Main Rotor ControlSDR HEEA076977Tube · wornWORN BEARINGS. REPLACED WITH SERVICEABLE TUBE ASSY.Oct 31, 2001 · N1202T · Bell 412 · Engine Exhaust SystemSDR HEEA076971Vent · leakingHAD STRONG FUEL ODOR IN COCKPIT. FOUND A SMALL AMOUNT OF FUEL HAD SEEPED THROUGH THE RT EXTERNAL TANK VENT DUE TO HIGH FUEL LEVEL AND THE ATTITUDE OF THE AIRCRAFT.Oct 30, 2001 · N22608 · Bell 412 · Aircraft Fuel Distribution SystemSDR HEEA076970Inverter · failedNR 1 INVERTER DROPPED OFF LINE AND ELECTRICAL FUMES WERE NOTED BY PILOT. FOUND BURNED WIRE IN WINDSHIELD POST COVER AT TOP OF POST.Oct 30, 2001 · N142PH · Bell 412 · AC InverterSDR HEEA076969Control Unit · failedWHEN SUN HITS KFS, IT DOES NOT GET BRIGHT. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2148K · Bell 412 · Visual Omnirange (VOR) SystemSDR HEEA076968Control Unit · intermittentDIGITS INTERMITTENTLY LOSE PART OF NUMBERS. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2148K · Bell 412 · VHF Communications SystemSDR HEEA076967Control Unit · inoperativeSEVERAL SEGMENTS INOPERATIVE. REPLACED WITH SERVICEABLE PART. COULD NOT VERIFY COMPLAINT. BENCH CHECK GOOD.Oct 30, 2001 · N107X · Bell 412 · Navigation SystemSDR HEEA076966Control Switch · failedSTATION KNOB WHEN TURN TO RIGHT IT SPRINGS BACK TO LEFT. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2148K · Bell 412 · Indicating/Recording SystemSDR HEEA076964Transponder · inoperativeINOPERATIVE, WILL NOT TRANSMIT. PENDING VENDOR REPAIR.Oct 30, 2001 · N7128R · Bell 412 · ATC Transponder SystemSDR HEEA076962Transceiver · malfunctionedWILL NOT PAINT AND NO AUDIO. REPLACED WITH SERVICEABLE PART.Oct 30, 2001 · N2261D · Bell 412 · Automatic Direction Finder (ADF) System
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