Bell 412

Service difficulty reports · 4,516

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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 HEEA955061Bearing · defectiveASB 412-95-84 T/R DRIVE BEARING SHIELD SPINNING.May 23, 1995 · N3893N · Bell 412 · Tail Rotor Drive ShaftSDR HEEA955058Deck Assy · unbondedLOWER SKIN UNBONDED APPROXIMATELY 4" X 6" ON FORWARD END. RECEIVED REPAIRED FROM NORDAM 9-17-93. INSTALLED ON AIRCRAFT 8-14-94. REPAIRED SERVICE DECK.May 23, 1995 · N2258F · Bell 412 · Fuselage Miscellaneous StructureSDR HEEA955050Indicator · defective#1 NEEDLE CHATTERS AND RATCHETY.May 19, 1995 · N7128R · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA955037Indicator · sticksNEEDLE INTERMITTENTY STICKS WHEN POWER IS APPLIED. TIME SINCE REPAIR 573:50.May 19, 1995 · N22608 · Bell 412 · Engine EGT/TIT Indicating SystemSDR HEEA955022Indicator · sticksNEEDLE INTERMITTENTLY STICKS AT 100 POUNDS GOING DOWN SCALE.May 18, 1995 · N3911L · Bell 412 · Fuel Quantity IndicatorSDR HEEA955020Indicator · flag sticksATT. FLAG STICKING. TIME SINCE REPAIR 412:10.May 18, 1995 · N2148K · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA955014Damper Set · separationSEPARATION BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE 1913, 1886, 2418 AND 2414.May 18, 1995 · N6559Z · Bell 412 · Main Rotor HeadSDR HEEA955008Blade · crackedCRACK BETWEEN PHENOLIC BLOCK AT GRIP PLATE.May 18, 1995 · N3893N · Bell 412 · Tail Rotor BladesSDR HEEA955006Bearing · wornANODIZED SURFACE WORN THROUGH AND CORROSION. BEARINGS SCRAPPED LOCALLY.May 17, 1995 · N3893N · Bell 412 · Tail Rotor HeadSDR HEEA954998Skynav 5000 · inoperativeSKY NAV 5000 INOPERATIVE.May 12, 1995 · N2014K · Bell 412 · Global Positioning SystemSDR HEEA954989Damper Set · seperationSEPARATION BEYOND LIMITS. S/N 1801, 1791 & 2313May 12, 1995 · N7128R · Bell 412 · Main Rotor HeadSDR HEEA954988Damper Set · req replacementREMOVED TO INSTALL NEW STYLE DAMPER SET P/N 412-010-145-105. S/N 2326 & 2311May 12, 1995 · N21498 · Bell 412 · Main Rotor HeadSDR HEEA954968Control Unit · inoperativeINOPERATIVE; GENERATOR WON'T COME ON LINE. REPLACED VR16 ZENER DIODE P/N 03-0065-10 ON CIRCUIT BOARD P/N 51509-363. BENCH CHECK GOOD.May 10, 1995 · N23023 · Bell 412 · DC Generating SystemSDR HEEA954967Control Unit · inoperativeINOPERATIVE, GENERATOR WON'T COME ON LINE. REPLACED VR13, VR17 ZENER DIODES P/N 05-900964, VR16 ZENER DIODE P/N 03-0065-10 ON CIRCUIT BOARD P/N 51509-363. BENCH CHECK GOOD.May 10, 1995 · N23023 · Bell 412 · DC Generating SystemSDR HEEA954964Indicator · defectiveINDICATOR LIGHTS TOO DIM.May 10, 1995 · N33008 · Bell 412 · Engine BMEP/Torque IndicatingSDR HEEA954957Transciever · defective#1 VHF HAS SQUEAL IN BOTH TRANSMIT AND RECEIVE.May 10, 1995 · N33008 · Bell 412 · VHF Communications SystemSDR HEEA954949Indicator · defective#1 & #2 NEEDLES HAVE A 3% SPLIT THROUGHOUTMay 10, 1995 · N7128R · Bell 412 · Engine RPM Indicating SystemSDR HEEA954946Damper Set · separationDAMPER SET SEPARATION BEYOND LIMITS. SERIAL NUMBERS REMOVED 2809, 2815, 2826 AND 2803.May 10, 1995 · N3893N · Bell 412 · Main Rotor HeadSDR HEEA954945Bearing · separationSEPARATION BEYOND LIMITS. BEARING S/N LK3275 & LK3388May 10, 1995 · N3893N · Bell 412 · Main Rotor HeadSDR HEEA954944Bearing · separationSEPARATION BEYOND LIMITS.May 10, 1995 · N3893N · Bell 412 · Main Rotor HeadSDR 95ZZZX3333Governor · malfunctionAFTER TAKEOFF FROM HELIPORT, NR 1 ENGINE DROPPED OFF LINE. CONTINUED ON TO PHI. LANDED WITHOUT INCIDENT. INVESTIGATION FOUND GOVERNOR MALFUNCTION. P & W IPC, 72-10-30, PAGE 0, FIGURE 1, ITEM 20.May 10, 1995 · N21498 · Bell 412 · Turbine GovernorSDR 95ZZZX2792Race · wornON DISASSEMBLY FOR REPAIR, FOUND BEARING RACE WORN BEYOND LIMITS. BEARING PN 412010216105, SN RE299. ARM PN 412010263101.May 10, 1995 · N397AL · Bell 412 · Main Rotor HeadSDR 95ZZZX2791Bearing Race · wornON DISASSEMBLY FOR REPAIR, FOUND BEARING RACE WORN BEYOND LIMITS. BEARING PN 412010216105, SN RE493. ARM PN 412010263101.May 10, 1995 · N397AL · Bell 412 · Main Rotor HeadSDR HEEA954939Bolt · defectiveCARBIDE COATING FLAKING BEYOND LIMITS.May 9, 1995 · N6559Z · Bell 412 · Main Rotor HeadSDR HEEA954934Cyl Assy · leakingSERVO SENT IN FOR OVERHAUL- FOUND SERVO LEAKING AT BOTH END CAPS, GLAND & AT INTERCONNECT CYLINDER.May 8, 1995 · Bell 412 · Rotorcraft Servo SystemSDR HEEA954933Cyl Assy · leakingSERVO SENT IN FOR REPAIR- FOUND SERVO LEAKING AT BOTH END CAPS, GLAND & AT INTERCONNECT CYLINDER.May 8, 1995 · Bell 412 · Rotorcraft Servo SystemSDR HEEA954932Servo Act · leakSERVO SENT IN FOR OVERHAUL- FOUND INTERNAL LEAK AND EXCESSIVE BREAK OUT FORCE ON PILOT LEVER.May 8, 1995 · Bell 412 · Rotorcraft Servo SystemSDR HEEA954931Cyl Assy · leakingSERVO SENT IN FOR REPAIR - FOUND SERVO LEAKING AT BOTH END CAPS, GLAND & AT INTERCONNECT CYLINDER.May 8, 1995 · Bell 412 · Rotorcraft Servo SystemSDR HEEA954925Control · defectiveSECOND NUMBER DIGITAL READOUT INOPERATIVE. REPLACED BROKEN SPOOL ON TOP OF SWITCH S103. REPAIRED. ALSO REPLACED INTERMITTENT TRANSFER SWITCH S102. REPLACED HEADER P201 AND APPLIED HUMISEAL TO HEADER FOR CORROSION CONTROL. FOUND BRIGHT SPOT ON DISPLAY. REPMay 4, 1995 · N33008 · Bell 412 · Visual Omnirange (VOR) SystemSDR HEEA954924Control Unit · defectiveLOWER SECTION HAD SEGMENTS MISSING AND INTERMITTENT. FOUND CORROSION UNDER HEADER J203. REPLACED HEADER J203 AND CLEANED CORROSION. REPAIRED PROBLEM. CHECKED 28V BACKLIGHTING. BENCH CHECK GOOD.May 4, 1995 · N2148K · Bell 412 · VHF Communications SystemSDR 95ZZZX3017Vent Fitting · departedAIRCRAFT WAS EN ROUTE TO AN OFFSHORE PLATFORM WHEN THE PILOT IN COMMAND HEARD A MUFFLED POP FOLLOWED BY A VIBRATION TO THE AIRCRAFT AND ITS CONTROLS. THE PILOT THEN RETURNED TO BASE. INSPECTION OF THE AIRCRAFT BY MAINTENANCE PERSONNEL AFTER THE FLIGHT REVEAMay 4, 1995 · N3893N · Bell 412 · Engine Exhaust SystemSDR HEEA954911Swashplate · req ohaul2500 HOUR OVERHAUL DUE.May 3, 1995 · Bell 412 · Main Rotor Mast/SwashplateSDR HEEA954910Hub · req ohaul2500 HOUR OVERHAUL DUE.May 3, 1995 · Bell 412 · Main Rotor HeadSDR HEEA954909Blade · defectiveSEPARATION ON THE MIDSPAN TRIM TAB EAR, PAINT PEELING ON TOP AND BOTTOM SIDE OF THE BLADE. BLADE NEEDS 2500 HOUR INSPECTION. REPLACED TRIM TAB EARS, FEATHERED THE PEELING PAINT, COMPLIED WITH 2500 HOUR INSPECTION.May 3, 1995 · Bell 412 · Main Rotor BladesSDR HEEA954908Blade · defectiveROOT END RUBBER TORN. BLADE NEEDS 2500 HOUR INSPECTION, PAINT PEELING ON TOP AND BOTTOM SIDE OF BLADE. REPLACED ROOT END RUBBER, COMPLIED WITH 2500 HOUR INSPECTION AND FEATHERED PEELING PAINT.May 3, 1995 · Bell 412 · Main Rotor BladesSDR HEEA954883Inverter · failedVOLTAGE WENT TO 120V THEN DROPPED OFF LINE.Apr 25, 1995 · N21498 · Bell 412 · AC InverterSDR HEEA954876Gearbox · making metalMETAL IN OIL.Apr 25, 1995 · N3911L · Bell 412 · Turbine Engine Reduction GearSDR HEEA954874Mdau · malfunctionWHEN TESTING HYD SYSTEM, BOTH HYD CAN BE TURNED OFF AT THE SAME TIME. REMOVED MDAU SYSTEM, TESTED GOOD.Apr 25, 1995 · N7128R · Bell 412 · Hydraulic System, MainSDR HEEA954868Altimeter · errorENCODER IS 140 FEET OFF AT 18,000 FEET.Apr 24, 1995 · N33008 · Bell 412 · Altimeter, Barometric/EncoderSDR HEEA954863Indicator · defectiveBEARING #1 AND #2 NEEDLES STICKING TOGETHER.Apr 24, 1995 · N2298Z · Bell 412 · Integrated Flight SystemSDR HEEA954862Indicator · defectiveCOURSE PRECESSES 47 DEGREES.Apr 24, 1995 · N2298Z · Bell 412 · Integrated Flight SystemSDR HEEA954858Valve · inoperativeVALVE INOPERATIVE.Apr 24, 1995 · N2298Z · Bell 412 · Fuel Transfer ValveSDR HEEA954850Actuator Rotary · defectiveLATERAL BINDING IN CONTROLS. OVERHAULED BY BELL 8-26-94.Apr 24, 1995 · N7128R · Bell 412 · Main Rotor ControlSDR HEEA954849Rotary Actuator · inoperativeLATERAL AFCS INOPERATIVE.Apr 24, 1995 · N7128R · Bell 412 · Main Rotor ControlSDR HEEA954845Battery · fail testINSPECTED BY ACCESSORY SHOP AND FOUND BATTERY FAILED CAPACITY TEST.Apr 24, 1995 · N2261D · Bell 412 · Battery/Charger SystemSDR HEEA954830Longeron · corrodedLONGERON CORRODED DEEP AT STATION 101.38 SPLICE AS SEEN IN UPPER R/H AFT CORNER OF BAGGAGE COMPARTMENT, JUST OUTBOARD OF WHERE THE BAGGAGE COMPARTMENT CEILING PANEL ATTACHES TO LONGERON.Apr 21, 1995 · N21498 · Bell 412 · Fuselage Main, Longeron/StringerSDR HEED955Tailboom · corrodedLONGERON CORRISON AT SPLICE JOINT. CAUSE BY MANUFACTURER'S LEAVING PEEL-PLY MATERIAL ON SPLICE JOINT. HAD TAILBOOM REPAIR LOCALLY.Apr 20, 1995 · N107X · Bell 412 · Rotorcraft Tail BoomSDR HEEA954759Gps Unit · defectivePILOT REPORTED CHECK BATTERY MESSAGE. (SOMETHING LOOSE INSIDE)Apr 11, 1995 · N2148K · Bell 412 · Global Positioning SystemSDR 95ZZZX2157Heater · shortedPILOT AND CREW NOTICED ELECTRICAL FUMES IN COCKPIT AND CABIN. FOUND SHORTED WIRE. DISABLED SYSTEM AND DEFERRED WIRE TO STATIC PORT HEATER (PILOT SIDE) AIRCRAFT RESTRICTED TO V.F.R. FLIGHT UNTIL REPAIRS ARE MADE.Apr 11, 1995 · N4UV · Bell 412 · Pitot/Static Anti-Ice SystemSDR HEEA954747Ejector · crackedEJECTOR UNIT CRACKED.Apr 10, 1995 · N33008 · Bell 412 · Engine Collector/Tailpipe/Nozzle
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