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 HEEA060681Blade · failedROTOR BLADE FAILURE.Feb 22, 1999 · N23023 · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA060680Engine · malfunctionedHIGH OIL CONSUMPTION.Feb 22, 1999 · N3893P · Bell 412 · Engine (Turbine/Turboprop)SDR HEEA060678Frame · mismanufacturedFRAME MISMANUFACTURED. OPENING FOR DOOR - 113 FRAME TOO SMALL BY .25 INCH IN HEIGHT AND TOO SMALL BY .8750 INCH IN LENGTH AS MARKED ON NEW FRAME LOCATIONS. THIS -113 KELVAR FRAME WAS SUBSTITUTED FOR -106 METAL FRAME ORDERED.Feb 19, 1999 · N107X · Bell 412 · Fuselage Main, FrameSDR ERAA061005Transceiver · misoverhauledTRANSCEIVER UNIT REPAIRED 10-1-98 AND INSTALLED ON AIRCRAFT. UNIT FAILS TO PULL FLAGS.Feb 18, 1999 · N419EH · Bell 412 · Ground Proximity SystemSDR HEEA060653Transceiver · malfunctionedNO NOISE BAND WHEN RADAR WAS IN TEST MODE. PERFORMED PRELIMINARY INSPECTION AND FOUND PROGRAMMER BOARD BAD, REPLACED U2202, U2203, U2205, C2210, Q2212. REPAIRED. ADJUSTED STC AND GAIN VOLTAGE. BENCH CHECK GOOD.Feb 16, 1999 · N22347 · Bell 412 · Weather Radar SystemSDR HEEA060652Gps · malfunctionedEACH SECOND TIME THE FPL BUTTON IS PRESSED, THE UNIT TURNS OFF THEN COMES ON AT THE START OF THE INITIAL CYCLE.Feb 16, 1999 · N142PH · Bell 412 · Global Positioning SystemSDR HEEA060651Light · failedWHEN POWER TURNED ON, ANTI-COLLISION CIRCUIT BREAKER TRIPS.Feb 16, 1999 · N2148K · Bell 412 · Exterior LightingSDR HEEA060650Light · malfunctionedSTROBE LIGHT DRAWS EXCESSIVE CURRENT.Feb 16, 1999 · N141PH · Bell 412 · Exterior LightingSDR HEEA060649Light · failedSTROBE LIGHT TOTALLY INOPERATIVE.Feb 16, 1999 · N2148K · Bell 412 · Exterior LightingSDR HEEA060648Control Unit · malfunctionedNR 1 ENGINE GENERATOR WOULD NOT COME ON-LINE WITH NR 2 GENERATOR ON.Feb 16, 1999 · N2298Z · Bell 412 · DC Generating SystemSDR HEEA060647Bearing · wornLINK ASSEMBLY HAS WORN BEARING. REPLACED WITH SERVICEABLE BEARING.Feb 16, 1999 · N33008 · Bell 412 · Main Rotor HeadSDR HEEA060646Bearing · wornLINK ASSEMBLY HAS WORN BEARING. REPLACED WITH SERVICEABLE BEARING.Feb 16, 1999 · N33008 · Bell 412 · Main Rotor HeadSDR HEEA060645Bearing · wornLINK ASSEMBLY HAS WORN BEARING. REPLACED WITH SERVICEABLE BEARING.Feb 16, 1999 · N22608 · Bell 412 · Main Rotor HeadSDR HEEA060644Indicator · intermittentALL NEEDLES FLUCTUATE AND INTERMITTENTLY DROP OFF-LINE.Feb 16, 1999 · N21498 · Bell 412 · Main Rotor Indicating SystemSDR HEEA060643Quill Assy · wornONE EACH DISK, P/N 9440791-1, WORN BEYOND LIMITS AND ONE EACH FLANGE, P/N 209-040-177-101, WORN BEYOND LIMITS. SCRAPPED DISK AND FLANGE AND REPLACED WITH SERVICEABLE PARTS.Feb 16, 1999 · N2149S · Bell 412 · Main Rotor GearboxSDR HEEA060642Nut · corrodedCORROSION ON THREADS. REPLACED WITH SERVICEABLE PART.Feb 16, 1999 · N293CA · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA060641Liner · corrodedLINER/MAST WORN AND CORRODED. REPLACED WITH SERVICEABLE PART.Feb 16, 1999 · N293CA · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA060639Blade · damagedBLADE DAMAGED ON THE UPPER SURFACE CENTER AT STA 120.Feb 16, 1999 · N2258F · Bell 412 · Main Rotor BladesSDR HEEA060638Blade · damagedOUTBOARD LEADING EDGE STRIP HAS EROSION HOLES.Feb 16, 1999 · N2149S · Bell 412 · Main Rotor BladesSDR HEEA060637Blade · tornEROSION SHIELD TORN ON THE OUTER END.Feb 16, 1999 · N23023 · Bell 412 · Main Rotor BladesSDR HEEA060636Blade · mismanufacturedWILL NOT FLY WITH OTHER BLADE SINCE THE NEW 18 INCH DOUBLER WAS BONDED NEAR THE TIP.Feb 16, 1999 · N2149S · Bell 412 · Main Rotor BladesSDR HEEA060635Bearing · wornWORN BEARING. REPLACED WITH SERVICEABLE BEARING.Feb 16, 1999 · N22608 · Bell 412 · Main Rotor HeadSDR HEEA060634Computer · malfunctionedWHEN AFCS COMPUTER INSTALLED, CAUSED YAW CHANNEL TO OSCILLATE, YAW CHANNEL TOO SENSITIVE.Feb 16, 1999 · N21498 · Bell 412 · Autopilot SystemSDR HEEA060633Battery · malfunctionedINSPECTED BY ACCESSORY SHOP AND FOUND BATTERY ONLY IN SERVICE FOR TWO HOURS FROM THE VENDOR.Feb 16, 1999 · N800Y · Bell 412 · Battery/Charger SystemSDR HEEA060632Bearing · corrodedWORN AND CORRODED. REPLACED LINER AND RETURNED TO SERVICE.Feb 16, 1999 · N293CA · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA060631Indicator · failedITT INDICATOR WILL NOT INDICATE.Feb 16, 1999 · N3893N · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA060630Altimeter · malfunctionedWHEN BARO KNOB IS TURNED, BAROMETRIC PRESSURE CARD DOES NOT MOVE ACCORDINGLY.Feb 16, 1999 · N108X · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA060629Indicator · malfunctionedNEEDLE ON PRESSURE SIDE PEGGED OUT AND DID NOT RETURN TO NORMAL. REPAIRED AND RETURNED TO SERVICE.Feb 16, 1999 · N7128R · Bell 412 · Main Rotor GearboxSDR HEEA060628Panel · mismanufacturedPANEL ASSEMBLY MISMANUFACTURED. WHILE PREPARING TO LOCATE PANEL, NOTICED THAT AREAS OF THE TOP, CORRUGATED SKIN HAD FLAT HIGH POINTS, INSTEAD OF ROUNDED HIGH POINTS. UPON FURTHER OBSERVATION, AND THE REMOVAL OF THE PRIMER COAT IN A FEW AREAS, FOUND THE HIGH Feb 16, 1999 · N107X · Bell 412 · Fuselage Main, Plate/SkinSDR HEEA060627Panel · mismanufacturedPANEL ASSEMBLY MISMANUFACTURED. CONTOUR OF PANEL DOES NOT FIT TAILBOOM ASSY. WHEN PANEL IS PLACED AGAINST THE SIDE OF THE TAILBOOM, THERE IS A GAP OF APPROXIMATELY .25 INCH. WHEN THE PANEL IS CLAMPED TO THE TAILBOOM TO ELIMINATE THIS GAP, THE UPPER AND LOWEFeb 16, 1999 · N107X · Bell 412 · Rotorcraft Tail BoomSDR HEEA060482Actuator · failedSTEP ACTUATOR INOPERATIVE.Feb 4, 1999 · Bell 412 · Entrance StairsSDR HEEA060481Actuator · failedWILL NOT WORK FROM STOCK. CASE DENTED.Feb 4, 1999 · Bell 412 · Entrance StairsSDR HEEA060480Actuator · failedSHORT IN ACTUATOR HARNESS, WILL OPERATE WHEN HARNESS BENT.Feb 4, 1999 · N2298Z · Bell 412 · Entrance StairsSDR ERAA060593Computer · malfunctionedHP COMPUTER SENT FOR REPAIR. REF NR 287249 9-15-99. AFTER BEING ON AIRCRAFT 344.2 HOURS, PROBLEM WITH YAW CHANNEL KICKING .Jan 27, 1999 · N417EH · Bell 412 · Autopilot SystemSDR ERAA060591Quill Assy · wornTHE FOUR BOLTS HOLDING THE BEARING RETENTION PLATE IN PLACE LOST TORQUE AND BECAME VERY LOOSE WITH ONLY THE SAFETY WIRE HOLDING THEM IN PLACE. THIS ALLOWED THE BEARING TO SPIN CAUSING DAMAGE TO THE INSIDE OF THE SLEEVE ASSY.Jan 27, 1999 · N169EH · Bell 412 · Main Rotor GearboxSDR HEEA060123Indicator · reads highROTOR TACHOMETER INDICATOR'S N2 INDICATES 2 PERCENT HIGH.Jan 21, 1999 · N2149S · Bell 412 · Main Rotor Indicating SystemSDR ERAA060589Altimeter · malfunctionedRT-220 REPAIRED REF NR 278189. OFF FLAG COMES ON IN-FLIGHT.Jan 19, 1999 · N177EH · Bell 412 · Altimeter, Barometric/EncoderSDR ERAA060583Altimeter · inoperativeRADAR ALTIMETER HAS NO POWER.Jan 6, 1999 · N421EH · Bell 412 · Altimeter, Barometric/EncoderSDR ERAA060582Computer · malfunctionedUNIT CAUSES PITCH-UP WHEN ALT MODE IS SELECTED.Jan 6, 1999 · N421EH · Bell 412 · Autopilot ComputerSDR ERAA060581Quill Assy · mismanufacturedINSPECTION OF INPUT QUILL ASSY REVEALED THAT INCORRECT SHIMMING PROCEDURE RESULTED IN CAP ASSY AND PINION HAVING TO BE REPLACED. INSTALLED NEW CAP, BEARINGS, SEALANT PACKINGS. PINION THAT WAS REMOVED WAS SENT TO ABLE METALLICS FOR REPLATING DUE TO COPPER PLDec 30, 1998 · N177EH · Bell 412 · Main Rotor GearboxSDR ERAA060580Bracket · looseOUTBOARD BUSHING LOOSE IN BORE.Dec 24, 1998 · N168EH · Bell 412 · Main Rotor HeadSDR ERAA059978Transceiver · malfunctionedTRANSCEIVER UNIT HAS 24 FLIGHT HOURS SINCE REPAIR. NEEDLE GOES TO HIGH SIDE OF GAUGE AND NEVER COMES DOWN.Dec 23, 1998 · N419EH · Bell 412 · Ground Proximity SystemSDR ERAA059977Computer · failedAFCS COMPUTER UNIT SENT TO HONEYWELL FOR REPAIR AND RETURNED WITH A/C PITCH CHANNEL HARD OVER. COULD NOT BE INSTALLED ON AIRCRAFT.Dec 23, 1998 · N416EH · Bell 412 · Autopilot ComputerSDR ERAA059976Transceiver · failedTRANSCEIVER UNIT INTERMITTENT AND WILL NOT TEST.Dec 22, 1998 · N419EH · Bell 412 · Ground Proximity SystemSDR ERAA059969Computer · malfunctionedAFCS COMPUTER UNIT HAS UNCOMMANDED LEFT ROLL.Dec 21, 1998 · N417EH · Bell 412 · Autopilot ComputerSDR ERAA059968Gps · failedGPS UNIT WILL NOT COUPLE TO NAV ON AFCS SYSTEM.Dec 18, 1998 · N415EH · Bell 412 · Global Positioning SystemSDR 99ZZZX214Fcu · malfunctionedAIRCRAFT EXPERIENCED TORQUE SPLIT IN-FLIGHT. NR 2 ENGINE TORQUE LOW. RETURNED TO BASE AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 2 ENGINE AUTOMATIC FUEL CONTROL UNIT. REF: P&W IPC, CHAPTER 72-00-10, FIGURE 1, ITEM 11.Dec 18, 1998 · N3893P · Bell 412 · Fuel Control/Turbine EnginesSDR ERAA059957Altimeter · failedALTIMETER UNIT REPAIRED BY HONEYWELL , REF NR 267248.Dec 9, 1998 · N414EH · Bell 412 · Ground Proximity SystemSDR HEEA0016850Actuator · sticksROTOR ACTUATOR STICKS INTERMITTENTLY. DATE OF MFG 10-29-98.Dec 1, 1998 · N293CA · Bell 412 · Main Rotor ControlSDR HEEA0016848Detector · malfunctionedNR 1 ENGINE OUT REMAINS ILLUMINATED AND NR 1 PARTICLE SEPARATOR LIGHT REMAINS ILLUMINATED AT GROUND IDLE.Nov 25, 1998 · N142PH · Bell 412 · Rotor Drive Indicating System
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