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 HEEA072411Actuator · inoperativeSTEP WILL NOT EXTEND.Apr 9, 2001 · N7128R · Bell 412 · Entrance StairsSDR HEEA072410Actuator · inoperativeDOES NOT WORK.Apr 9, 2001 · N3911L · Bell 412 · Entrance StairsSDR HEEA072409Gyro · malfunctionedTURN NEEDLE OSCILLATES.Apr 9, 2001 · N6559Z · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA072408Detector · malfunctionedRPM WARNING LIGHT FLICKERS ON AND OFF AROUND 75 PERCENT N2.Apr 9, 2001 · N3893L · Bell 412 · Engine RPM Indicating SystemSDR HEEA072406Bearing · corrodedPITTING ON RACE. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT.Apr 9, 2001 · Bell 412 · Tail Rotor HeadSDR HEEA072405Seat Belt · damagedEND UNSTITCHED.Apr 9, 2001 · N2261D · Bell 412 · Flight Compartment EquipmentSDR HEEA072404Seat Belt · damagedEND UNSTITCHED.Apr 9, 2001 · N2261D · Bell 412 · Flight Compartment EquipmentSDR HEEA072403Actuator · frozenSTEP ACTUATOR FROZEN.Apr 9, 2001 · N6559Z · Bell 412 · Entrance StairsSDR HEEA072402Actuator · inoperativeSTEP WILL NOT RETRACT.Apr 9, 2001 · N3893N · Bell 412 · Entrance StairsSDR HEEA072401Actuator · inoperativeROD BROKEN ON ACTUATOR AND IS INOPERATIVE.Apr 9, 2001 · N7128R · Bell 412 · Entrance StairsSDR HEEA072400Indicator · erraticBOUNCES ERRATICALLY.Apr 9, 2001 · N3911L · Bell 412 · Engine RPM Indicating SystemSDR HEEA072399Actuator · inoperativeSTEP ACTUATOR DOES NOT FUNCTION.Apr 9, 2001 · N5759N · Bell 412 · Entrance StairsSDR HEEA072398Indicator · erraticERRATIC ABOVE 2000 FEET MSL.Apr 9, 2001 · N7128R · Bell 412 · Rate of Climb IndicatorSDR HEEA072397Indicator · erraticERRATIC READINGS FAILED STATIC CHECK.Apr 9, 2001 · N7128R · Bell 412 · Rate of Climb IndicatorSDR HEEA072396Duct · crackedCRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N3893L · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA072395Ejector · crackedCRACKED AT MOUNTING PADS. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N2261D · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA072394Ejector · crackedCRACKED. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N2261D · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA072393Switch · malfunctionedC-BOX PRESSURE LIGHT ILLUMINATES INTERMITTENTLY AND REMAINS ON 1 TO 2 MINUTES, THEN GOES OUT. C-BOX OIL PRESSURE REMAINS STEADY. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N7128R · Bell 412 · Fuel Pressure IndicatorSDR HEEA072392Switch · leakingLEAKING THROUGH SWITCH BODY. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N3893L · Bell 412 · Fuel Pressure IndicatorSDR HEEA072391Switch · malfunctionedLOW PRESSURE LIGHT WILL NOT COME ON. SCRAPPED AND REPLACED WITH SERVICEABLE PART.Apr 9, 2001 · N3893L · Bell 412 · Fuel Pressure IndicatorSDR HEEA072390Valve · bypassingALLOWS FUEL TO BYPASS IN THE CLOSED POSITION. SENT TO ITT AEROSPACE FOR INSPECTION AND REPAIR.Apr 9, 2001 · N7128R · Bell 412 · Fuel Transfer ValveSDR HEEA072380Step · stuckRIGHT STEP STUCK IN STOW POSITION. REPLACED WITH SERVICEABLE UNIT.Apr 9, 2001 · N3893L · Bell 412 · Entrance StairsSDR HEEA072379Antenna · damagedWILL NOT SHOW SWEEP AND NO TARGETS DISPLAYED. REPLACED WITH SERVICEABLE UNIT.Apr 9, 2001 · N2148K · Bell 412 · Weather Radar SystemSDR HEEA072378Life Vest · leakingLEAKS. SENT TO J.D. MANUFACTURING FOR INSPECTION AND REPAIR.Apr 9, 2001 · N7128R · Bell 412 · Life JacketSDR HEEA072377Antenna · damagedWILL NOT HOLD PROPER TILT. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE. BENCH CHECK GOOD.Apr 9, 2001 · N1202T · Bell 412 · Weather Radar SystemSDR HEEA072376Radar · failedDISPLAY ERRATIC. PERFORMED PRELIMINARY INSPECTION. REPLACED P1201 CONNECTOR AND CLEANED CORROSION FROM PINS ON SEVERAL CONNECTORS. BENCH CHECK GOOD.Apr 9, 2001 · N107X · Bell 412 · Weather Radar SystemSDR HEEA072375Radar · failedINOPERATIVE. NO DISPLAY ON SCREEN. PERFORMED PRELIMINARY INSPECTION. COULD NOT VERIFY COMPLAINT. CLEANED SLIGHT CORROSION ON BOARDS AND CONNECTORS. ADJUSTED TO SPECS. BENCH CHECK GOOD.Apr 9, 2001 · N1202T · Bell 412 · Weather Radar SystemSDR HEEA072374Radar · failedVIDEO IS WAVY. SCREEN IS BLANK ON THE TOP AND BOTTOM. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY BLANKS OUT AND COLORS FADE IN AND OUT. FOUND IC U1241 BAD ON TIMING BOARD. REPLACED IC U1241. REPAIRED. ALSO REPLACED 30 EACH SOCKET PINS ON CONNECTORS. Apr 9, 2001 · N107X · Bell 412 · Weather Radar SystemSDR HEEA072373Radar · failedSCREEN TURNS BLUE. PERFORMED PRELIMINARY INSPECTION. FOUND HIGH VOLTAGE POWER SUPPLY CAUSING LOUD POPPING NOISE. REPLACED HIGH VOLTAGE POWER SUPPLY. BENCH CHECK GOOD.Apr 9, 2001 · N3893N · Bell 412 · Weather Radar SystemSDR HEEA072372Radar · failedCOLORS INCORRECT ON TEST MODE. TEST UNSTABLE INTERMITTENTLY. PERFORMED PRELIMINARY INSPECTION. COULD NOT VERIFY COMPLAINT. BENCH CHECK GOOD.Apr 9, 2001 · N3911L · Bell 412 · Weather Radar SystemSDR HEEA072371Radar · failedSCREEN WENT BLANK. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY SHRUNK ON SCREEN. REPLACED R133 AND Q1318 ON VIDEO BOARD. REPAIRED. BENCH CHECK GOOD.Apr 9, 2001 · N3893P · Bell 412 · Weather Radar SystemSDR HEEA072370Radar · failedTOP HALF OF DISPLAY DISTORTED. PERFORMED PRELIMINARY INSPECTION. REPLACED SOCKET PINS ON VARIOUS CONNECTORS. REPLACED CRT ASSEMBLY. ALIGNED TO SPECS. BENCH CHECK GOOD.Apr 9, 2001 · N3893N · Bell 412 · Weather Radar SystemSDR HEEA072369Radar · failedLEFT SIDE OF DISPLAY WILL NOT DIM. PERFORMED PRELIMINARY INSPECTION. COULD NOT VERIFY COMPLAINT. BENCH CHECK GOOD.Apr 9, 2001 · N3893N · Bell 412 · Weather Radar SystemSDR HEEA072368Radar · failedCYCLES ON AND OFF. FLICKERS MOST OF THE TIME AND DOES NOT BRING UP PICTURE. PERFORMED PRELIMINARY INSPECTION. COULD NOT VERIFY COMPLAINT. ADJUSTED ANC AND INTENSITY. BENCH CHECK GOOD.Apr 9, 2001 · N2298Z · Bell 412 · Weather Radar SystemSDR HEEA072367Radar · failedWILL NOT COME ON BUT WILL POWER UP. PERFORMED PRELIMINARY INSPECTION. FOUND DISPLAY FADES IN AND OUT. CLEANED ALL BOARDS AND PINS. FOUND CORROSION ON MEMORY BOARD CONNECTOR. CLEANED CORROSION. BENCH CHECK GOOD.Apr 9, 2001 · N3911L · Bell 412 · Weather Radar SystemSDR HEEA072366Radar · failedBLANK SCREEN. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT DRAWS EXCESSIVE CURRENT. REPLACED Q4204, Q4205 TRANSISTORS ON POWER SUPPLY. REPAIRED. FOUND RED AND YELLOW COLORS IN NOISE BAND. REPLACED IC U1402, U1403, U1406. REPAIRED. BENCH CHECK GOOD.Apr 9, 2001 · N3911L · Bell 412 · Weather Radar SystemSDR HEEA072365Radar · failedDOES NOT INDICATE. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE. ADJUSTED COLORS, ANC AND MANUAL GAIN. BENCH CHECK GOOD.Apr 9, 2001 · N2298Z · Bell 412 · Weather Radar SystemSDR HEEA072364Radar · failedNO INDICATION, BLANK SCREEN. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT DRAW AMPS. REPLACED Q4204, Q4205 TRANSISTORS ON POWER SUPPLY. REPAIRED. ADJUSTED UNIT TO SPECS. BENCH CHECK GOOD.Apr 9, 2001 · N2298Z · Bell 412 · Weather Radar SystemSDR HEEA072363Radar · failedRADAR SYSTEM WOULD NOT POWER UP. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT POWERING UP. FOUND BURNT FOIL ON SWITCH PANEL. REPAIRED FOIL AND BENCH CHECK GOOD.Apr 9, 2001 · N2261D · Bell 412 · Weather Radar SystemSDR HEEA072362Radar · failedFAILS TARGETS AT HIGH RANGE SETTINGS. PERFORMED PRELIMINARY INSPECTION. FOUND MANUAL GAIN SET TOO HIGH, SHOWING FALSE TARGETS. ADJUSTED ANC, MANUAL GAIN AND COLORS. BENCH CHECK GOOD.Apr 9, 2001 · N2298Z · Bell 412 · Air Collision Avoidance SystemSDR HEEA072361Radar · failedUNIT WILL NOT POWER UP. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND REPLACED F202 FUSE. ADJUSTED STC AND GAIN VOLTAGE. BENCH CHECK GOOD.Apr 9, 2001 · N1202T · Bell 412 · Air Collision Avoidance SystemSDR HEEA072360Radar · failedPICTURE SCREEN SIZE FLUCTUATES AND ERRATIC. PERFORMED PRELIMINARY INSPECTION. TROUBLESHOT AND FOUND BAD HIGH VOLTAGES. REPLACED Q604 AND Q605. REPAIRED HIGH VOLTAGE PROBLEM. DISPLAY SLIGHTLY DISTORTED, REPLACED STABILIZATION BOARD, REPAIRED. BENCH CHECK GOApr 9, 2001 · N5759N · Bell 412 · Air Collision Avoidance SystemSDR HEEA072359Radar · failedGAPS IN TEST PATTERN. PERFORMED PRELIMINARY INSPECTION. FOUND R/T TRANSMITTING POWER OUT INTERMITTENT. REPLACED MAGNETRON. REPAIRED. BENCH CHECK GOOD.Apr 9, 2001 · N3893P · Bell 412 · Air Collision Avoidance SystemSDR HEEA072358Radar · shortedSHORTED INTERNALLY. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT DOES NOT TURN ON. REPLACED Q601, Q602, Q604, Q605 ON POWER SUPPLY. REPAIRED. BENCH CHECK GOOD.Apr 9, 2001 · N3911L · Bell 412 · Air Collision Avoidance SystemSDR HEEA072357Radar · failedINOPERATIVE. NO NOISE BAND DURING TEST. PERFORMED PRELIMINARY INSPECTION. COULD NOT DUPLICATE. ADJUSTED STC AND GAIN VOLTAGE. BENCH CHECK GOOD.Apr 9, 2001 · N3893N · Bell 412 · Air Collision Avoidance SystemSDR HEEA072356Radar · failedSCREEN ROLLS THEN GOES BLANK. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT DOES NOT POWER UP. REPLACED Q604, Q605. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.Apr 9, 2001 · N3911L · Bell 412 · Air Collision Avoidance SystemSDR HEEA072355Radar · failedBURNED OUT 3 INDICATORS. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT DOES NOT POWER UP. FOUND Q604, Q605 BAD ON POWER SUPPLY. REPLACED Q604, Q605. REPAIRED. ADJUSTED TO SPECS. BENCH CHECK GOOD.Apr 9, 2001 · N2298Z · Bell 412 · Air Collision Avoidance SystemSDR HEEA072097Duct · crackedCRACKED. REPLACED WITH SERVICEABLE PART.Apr 5, 2001 · N3893L · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA072096Exhaust Stack · crackedEXHAUST STACK IS CRACKED AT SEAMS OF DUCT HALVES. REPLACED WITH SERVICEABLE PART.Apr 5, 2001 · N22608 · Bell 412 · Engine Collector/Tailpipe/NozzleSDR HEEA072095Support Bracket · crackedSUPPORT BRACKET AND SHROUD CRACKED. REPLACED WITH SERVICEABLE PART.Apr 5, 2001 · N108X · Bell 412 · Engine Collector/Tailpipe/Nozzle
Back to Bell 412