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 HEEA0014081Indicator · sticksHSI INDICATOR HEADING SET POINTER STICKS INTERMITTENTLY.Apr 29, 1998 · N22347 · Bell 412 · Integrated Flight SystemSDR HEEA0014080Indicator · sticksRADAR ALT NEEDLE STICKS AT 210 FEET.Apr 29, 1998 · N108X · Bell 412 · Ground Proximity SystemSDR HEEA0014079Transceiver · malfunctionTRANSCEIVER POWER OUT FLUCTUATES WHEN VIBRATED.Apr 29, 1998 · N2258F · Bell 412 · VHF Communications SystemSDR HEEA0014078Transceiver · malfunctionTRANSCEIVER POWER OUT FLUCTUATES WHEN VIBRATED.Apr 29, 1998 · N141PH · Bell 412 · VHF Communications SystemSDR HEEA0014071Tarsyn · failedFAILS TEST 6.2 ON SST. COMPASS CARD WILL NOT MOVE.Apr 29, 1998 · N23023 · Bell 412 · Autopilot SystemSDR HEEA0014069Valve · failedVALVE INOPERATIVE.Apr 29, 1998 · N293CA · Bell 412 · Aircraft Fuel Distribution SystemSDR HEEA0014064Hub Assy · wornT/R HUB ASSY WORN FEATHERING BEARING. REPLACED BEARINGS AND RETURNED TO SERVICE.Apr 29, 1998 · N1202T · Bell 412 · Tail Rotor HeadSDR HEEA0014054Cvr · failedCVR CAUSES THE "TEST" LIGHT TO STAY ILLUMINATED CONSTANTLY.Apr 29, 1998 · N22608 · Bell 412 · Audio/Video MonitoringSDR 98ZZZX2098Retain Clip · failedAIRCRAFT DISPATCHED TO ON-SCENE REQUEST. EN ROUTE, MASTER CAUTION LIGHT ILLUMINATED INDICATING NR 2 HYDRAULIC FAILURE WITH CORRESPONDING GAUGE INDICATION. PILOT DIVERTED TO NEARBY AIRPORT WHERE AN UNEVENTFUL LANDING WAS MADE. ON THE DRIVE SPLINE OF THE NR 2Apr 29, 1998 · N411UT · Bell 412 · Hydraulic Pump (Electric/Engine), MainSDR HEEA0014031Clock · malfunctionCLOCK LOSES TIMES.Apr 22, 1998 · N108X · Bell 412 · Independent InstrumentsSDR HEEA0014018Pump · failedTURNS AT VERY SLOW SPEED AND THEN POPS CIRCUIT BREAKER.Apr 22, 1998 · N107X · Bell 412 · Fuel Boost PumpSDR HEEA0014012Cvr · malfunctionCVR NEEDS EVALUATION.Apr 22, 1998 · N2298Z · Bell 412 · Audio/Video MonitoringSDR HEEA0013999Detector · failedRPM LIMIT AUDIO DISABLED.Apr 21, 1998 · N142PH · Bell 412 · Rotor Drive Indicating SystemSDR HEEA0013998Actuator · failedSTEP ACTUATOR INOPERATIVE.Apr 21, 1998 · N293CA · Bell 412 · Entrance StairsSDR HEEA0013997Actuator · failedSTEP ACTUATOR INOPERATIVE.Apr 21, 1998 · N293CA · Bell 412 · Entrance StairsSDR HEEA0013996Actuator · strippedACTUATOR INTERNAL GEAR SEEMS TO BE STRIPPED.Apr 21, 1998 · N293CA · Bell 412 · Entrance StairsSDR HEEA0013988Computer · failedAFCS COMPUTER FAILED. ROLL ACTUATOR HUNTS BOTH DIRECTIONS.Apr 20, 1998 · N2148K · Bell 412 · Autopilot SystemSDR HEEA0013987Smoke Detector · failedSMOKE DET FAILS FUNCTION TEST.Apr 20, 1998 · N22608 · Bell 412 · Smoke DetectionSDR HEEA0013986Indicator · defectiveAIRSPEED IND EXCESSIVE CASE LEAKAGE AND READ OUT OF TOLERANCE.Apr 20, 1998 · N7128R · Bell 412 · Airspeed/Mach IndicatorSDR HEEA0013975Landing Light · failedLANDING LIGHT WOULD NOT TURN OFF WHEN LIGHT IS HOT. REPLACED GEAR, CLEANED MOTOR CONTACTS. UNIT MEETS MFG SPECS.Apr 16, 1998 · N2298Z · Bell 412 · Exterior LightingSDR HEEA0013973Fuel Control · failedAFCU BROKEN. FOUND PX-PY ADAPTER BROKEN. REPLACED WITH SERVICEABLE PART.Apr 16, 1998 · Bell 412 · Fuel Controlling SystemSDR HEEA0013962Indicator · failedNR1 ENGINE SIDE POPS CIRCUIT BREAKER.Apr 16, 1998 · N3911L · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA0013959Tarsyn · noisyTARSYN NOISY BEARING.Apr 16, 1998 · N107X · Bell 412 · Autopilot SystemSDR HEEA0013955Elt · failedELT INOPERATIVE.Apr 16, 1998 · N107X · Bell 412 · Emergency Locator BeaconSDR HEEA0013951Digital Clock · failedCLOCK GOES OFF AND ON.Apr 16, 1998 · N22608 · Bell 412 · Independent InstrumentsSDR HEEA0013950Rate Gyro · failedRATE GYRO TURN NEEDLE STICKS.Apr 16, 1998 · N3911L · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0013940Indicator · failedTRIPLE TACH READS HIGH AND NEEDLES 1 AND 2 HAVE EXCESSIVE FRICTION ERROR.Apr 16, 1998 · N5759N · Bell 412 · Engine RPM Indicating SystemSDR HEEA0013928Indicator · failedTRIPLE TACH NR2 NEEDLE AND ROTOR NEEDLE ARE INOPERATIVE.Apr 16, 1998 · N2149S · Bell 412 · Engine RPM Indicating SystemSDR HEEA0013927Gps · defectiveSEVERAL LED INOPERATIVE, LOWER DISPLAY. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT DISPLAYING STRANGE CHARACTERS, AND WILL NOT LOCK ON.Apr 16, 1998 · N2148K · Bell 412 · Global Positioning SystemSDR HEEA0013899Bearing · wornBEARING INNER RACE SHOULDER WORN ON ONE SIDE DUE TO LOST TORQUE OF NUT P/N MS14145L5 WHICH WAS CAUSED BY THE LACK OF THREADS ON THIS NUT OR WASHER P/N AN960-516 NOT CONTACTING THE PITCH HORN FULLY. AS NOTED IN ASB 412-98-92.Apr 15, 1998 · N2261D · Bell 412 · Main Rotor HeadSDR HEEA0013872Indicator · failedHSI INDICATOR DOES NOT INDICATE PROPERLY.Apr 7, 1998 · N2298Z · Bell 412 · Integrated Flight SystemSDR HEEA0013867Indicator · failedATTITUDE INDICATOR BAD BEARINGS.Apr 7, 1998 · N3893L · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0013842Valve · failedVALVE DOES NOT CYCLE.Apr 3, 1998 · N2148K · Bell 412 · Fuel Transfer ValveSDR HEEA0013840Extinguisher · defectiveFIRE EXT OUT OF GREEN AT 10C.Apr 3, 1998 · N3911L · Bell 412 · Fire Bottle, FixedSDR AU980683Engine · failed(AUS) NR 2 ENGINE SURGED TWICE BEFORE SHUTTING ITSELF DOWN. INVESTIGATION FOUND HEAT DAMAGE AROUND THE WIRING LOOM AND SOOT AROUND THE FUEL CONTROLS. BOTH FIRE BOTTLES WERE DISCHARGED. PART TC: 6,482.Apr 3, 1998 · Bell 412 · Turbine SectionSDR AU980381Turbine · failed(AUS) NR 2 ENGINE POWER SECTION FAILED.Apr 3, 1998 · Bell 412 · Turbine SectionSDR HEEA0013831Indicator · failedATTITUDE INDICATOR POPS CIRCUIT BREAKER.Apr 2, 1998 · N2261D · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0013830Linear Actuator · brokenLINEAR ACTUATOR TERMINAL STUD IS BROKEN.Apr 2, 1998 · N22608 · Bell 412 · Main Rotor ControlSDR HEEA0013825Tarsyn · failedHEADING PRECESSES AND FAILS TEST 8.5 ON SST.Apr 2, 1998 · N5759N · Bell 412 · Autopilot SystemSDR HEEA0013822Rate Gyro · failedRATE TURN INDICATOR NO TURN NEEDLE MOVEMENT.Apr 2, 1998 · N7128R · Bell 412 · Turn and Bank/Rate of Turn IndicatorSDR HEEA0013821Indicator · precessesATTITUDE INDICATOR PRECESSES.Apr 2, 1998 · N3893L · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA0013817Oil Cooler · leakingOIL COOLER LEAKING.Apr 2, 1998 · N2261D · Bell 412 · Main Rotor GearboxSDR HEEA0013815Valve Assy · failedBYPASS BUTTON WILL NOT RESET.Apr 2, 1998 · N2148K · Bell 412 · Hydraulic Pressure Relief Valve, MainSDR HEEA0013806Inverter · malfunction450VA INVERTER CAUSES FUEL GAUGE TO FLUCTUATE.Apr 2, 1998 · N293CA · Bell 412 · AC InverterSDR HEEA0013802Indicator · failedOIL PRESSURE IS HIGH.Apr 2, 1998 · N3893P · Bell 412 · Engine Oil PressureSDR HEEA0013801Indicator · failedOIL TEMP/PRESS INDICATOR FAILED.Apr 2, 1998 · N2298Z · Bell 412 · Engine Oil PressureSDR HEEA0013800Computer · failedCOMPUTER AFCS WILL NOT TEST PROPERLY.Apr 2, 1998 · Bell 412 · Autopilot SystemSDR HEEA0013799Mast Assy · corroded3100 HOUR INSPECTION. UNBONDED WEAR SLEEVE AND INSPECT T/D CORROSION ON UPPER MAST.Apr 2, 1998 · N1202T · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA0013796Indicator · failedINDICATOR ALWAYS POPPED.Apr 2, 1998 · N107X · Bell 412 · Engine Oil PressureSDR HEEA0013793Detector · failedRPM AUDIO INOPERATIVE CAUSES CYCLIC CENTER LIGHT TO COME ON.Apr 2, 1998 · N7128R · Bell 412 · Rotor Drive Indicating System
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