Keystone Helicopter S-76C

Service difficulty reports · 717

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 = 'S76C'
  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 AU960194Bolt · worn(AUS) FORWARD MAIN ROTOR SERVO LOWER MOUNT BOLT BADLY WORN - WORN BOLT AND REMAINING TWO SERVO BOLTS WERE ALSO FOUND TO BE INCORRECTLYINSTALLEDFeb 19, 1996 · Skrsky S76C · Rotorcraft Servo SystemSDR AU960188Chip Detector · short circuit(AUS) NO2 ENGINE FREE TURBINE CHIP DETECTOR HAD INTERNAL SHORT CIRCUITFeb 14, 1996 · Skrsky S76C · Turbine Engine Oil SystemSDR AU960148Oil System · low pressure(AUS) MAIN TRANSMISSION GEARBOX OIL PRESSURE FELL TO 44PSI - OIL FILTERAND CHIP DETECTORS CHECKED OK - AFTER THE OIL WAS DRAINED AND THEGEARBOX REFILLED THE PRESSURE RETURNED TO NORMALJan 10, 1996 · Skrsky S76C · Main Rotor GearboxSDR HEED95429Valve · defectiveBLEED SOV LEAKING. REPLACED UNITDec 13, 1995 · N276X · Skrsky S76C · Pneumatic Distribution SystemSDR HEED95427Catch Assembly · crackedENGINE COWL CATCH CRACKED. REPLACED UNITDec 13, 1995 · N276X · Skrsky S76C · Engine Cowling SystemSDR HEED95426Oil Cap · defectiveR & R CAP. REPLACED UNITDec 13, 1995 · N276X · Skrsky S76C · Engine Oil Storage (Airframe Furnished)SDR HEED95425Chip Detector · defectiveTRANSMISSION CHIP LIGHT CAME ON TWICE FOUND DETECTOR BAD HAD ONE OF TEFLON RINGS CRACKED (NOTE) ALSO USED ONE NEW O'RING P/N M83248/1-131. REPLACED CHIP DETECTOR AND INSTALLED NEW O'RINGDec 13, 1995 · N278X · Skrsky S76C · Main Rotor GearboxSDR HEED95424Filter · chip lightTRANSMISSION HAD TWO CHIP LIGHTS ON FLIGHT FROM SIKORSKY, FILTER REMOVED AND INSPECTED FOR METAL ALSO USED O'RING P/N M83248/1-238 AND 12 QTS OF DEXTRON II OIL. REPLACED FILTER O'RING AND OIL AS INSTRUCTED BY SIKORSKYDec 13, 1995 · N278X · Skrsky S76C · Main Rotor GearboxSDR HEED95423Nose Wheel · corrosionCORROSION IN HUB CENTER AREA. REPLACED UNIT.Dec 13, 1995 · N276X · Skrsky S76C · Wheel/Ski/FloatSDR HEED95422Blower · inoperativeBLOWER INOPERATIVE . REPLACED UNIT.Dec 13, 1995 · N276X · Skrsky S76C · Rotorcraft Cooling Fan SystemSDR HEED95421Tire · defectiveVERY SMALL PIN HOLE IN SIDE WALL NEAR BEAD. TIRE ALSO OUT OF ROUND REPLACED UNIT.Dec 13, 1995 · N89H · Skrsky S76C · TireSDR HEED95420Tire · defectiveTIRE HAD A KNOT IN MARKED AREA THAT ROSE ABOUT 1/2" ABOVE THE NORMAL SURFACE OF TIRE. REPLACED UNIT.Dec 13, 1995 · N89H · Skrsky S76C · TireSDR HEED95418Catch Assembly · crackedAFT COWL CATCH CRACKED . REPLACED UNIT.Dec 13, 1995 · N276X · Skrsky S76C · Fuselage Miscellaneous StructureSDR HEED95417Seal Ring · leakingFRONT SEAL ON POWER SHAFT LEAKING ON #1 ENGINE . REPLACED UNIT.Dec 13, 1995 · N476X · Skrsky S76C · Turbine Engine Reduction GearSDR HEED95415Audio Amp · defectiveAUDIO AMP INTERMITTANT. REPLACED UNITDec 8, 1995 · N89H · Skrsky S76C · Audio Integrating SystemSDR HEED95414Valve · sticksVALVE STICKS OPEN . REPLACED UNITDec 8, 1995 · N276X · Skrsky S76C · Pneumatic Distribution SystemSDR HEED95413Screen · brokenBROKEN WIRES . REPLACED UNITDec 8, 1995 · N476X · Skrsky S76C · Engine Air Intake SystemSDR HEED95411Screen · crackedCRACKED SCREEN . REPLACED UNITDec 1, 1995 · N476X · Skrsky S76C · Engine Air Intake SystemSDR HEED95410Screen · crackedFOUND ON NEW AIRCRASFT AT ARRIVAL A 7 1/2" CRACK INSCREEN WITH 2 SMALL PIECES OF WIRE ABOUT 1/2" MISSING FROM SCREEN IN 2 PLACES (NOTE) SCREEN MFG FEBURARY 3, 1995. REPLACED UNITDec 1, 1995 · N278X · Skrsky S76C · Engine Air Intake SystemSDR HEED95408Bearing · wornWORN BEARINGS S/NOS: 4483, 4754, 4749, 4686 REPLACED UNIT WITH S/NOS: 37674, 37540, 37624, 37581Nov 30, 1995 · N276X · Skrsky S76C · Main Rotor Mast/SwashplateSDR HEED95406Engine Assy · fodCOMPRESSOR FOD. REPLACED UNITNov 27, 1995 · N276X · Skrsky S76C · Turbine Engine Compressor SectionSDR HEED95405Intake Screen · crackedFOUND INLET SCREEN CRACKED IN CENTER AREA WHICH CONTRIBUTED TO ENGINE FOD ON ENGINE S/N: 15094. REPLACED UNITNov 27, 1995 · N276X · Skrsky S76C · Engine Air Intake SystemSDR HEED95404Indicator · inoperativeINDICATOR WON'T TURN. REPLACED UNITNov 27, 1995 · N476X · Skrsky S76C · Integrated Flight SystemSDR HEED95403Transceiver · weakTRANSCEIVER WEAK. REPLACED UNITNov 21, 1995 · N476X · Skrsky S76C · VHF Communications SystemSDR HEED95402Indicator · defectivePITCH INDICATION WILL NOT WORK .REPLACED UNITNov 21, 1995 · N476X · Skrsky S76C · Attitude Gyro and Indicating SystemSDR HEED95401Switch · stickingSWITCH STICKING. REPLACED UNITNov 21, 1995 · N276X · Skrsky S76C · Fuel Indicating SystemSDR HEED95400Drain Valve · defectiveENGINE NOT STARTING. REPLACED START DRAIN VALVE UNIT.Nov 21, 1995 · N276X · Skrsky S76C · Engine DrainsSDR HEED95399Solenoid · defectiveENGINE NOT STARTING. REPLACED UNITNov 21, 1995 · N276X · Skrsky S76C · Ignition SystemSDR HEED95398Detector · defectiveFLAME DETECTOR WOULD NOT TEST, THIS DETECTOR ORIGINALLY INSTALLED IN N476X. REPLACED UNITNov 21, 1995 · N276X · Skrsky S76C · Fire DetectionSDR HEED95397Tip Cap · separatedTRAILING EDGE SEPERATED REPLACED UNITNov 20, 1995 · N276X · Skrsky S76C · Main Rotor BladesSDR HEED95396Tip Cap · separatedTRAILING EDGE SEPERATED. REPLACED UNITNov 20, 1995 · N276X · Skrsky S76C · Main Rotor BladesSDR HEED95395Damper · leakingDAMPER LEAKING. REPLACED UNITNov 17, 1995 · N89H · Skrsky S76C · Main Rotor HeadSDR HEED95394Intake Screen · crackedINTAKE SCREEN CRACKED. REPLACED UNITNov 17, 1995 · N276X · Skrsky S76C · Engine Air Intake SystemSDR HEED95393Blower · oil leaksOIL LEAKS AT IMPELLER SHAFT. REPLACED UNITNov 14, 1995 · N276X · Skrsky S76C · Rotorcraft Cooling Fan SystemSDR HEED95392Switch · defectivePRESSURE SWITCH CANNON PLUG SECTION BROKEN. REPLACED UNITNov 14, 1995 · N476X · Skrsky S76C · Fuel Indicating SystemSDR HEED95391Intake Screen · brokenINTAKE SCREEN BROKEN. REPLACED UNITNov 8, 1995 · N89H · Skrsky S76C · Engine Air Intake SystemSDR HEED95374Relay · defectiveBUS TIE LIGHT STAYS ON AT ALL TIMES REPLACED UNITNov 3, 1995 · N89H · Skrsky S76C · DC Power Distribution SystemSDR HEED95373Intake Screen · mesh brokenINTAKE SCREEN WIRE MESH BROKEN .REPLACED UNITNov 3, 1995 · N89H · Skrsky S76C · Engine Air Intake SystemSDR HEED95371Starter · failedSTARTER WON'T ENERGIZE, REPLACED UNIT.Oct 12, 1995 · N276X · Skrsky S76C · Starter-GeneratorSDR HEED95370Rate Gyro · inoperativeRATE GYRO INOPERATIVE, REPLACED UNIT.Oct 12, 1995 · N276X · Skrsky S76C · Turn and Bank/Rate of Turn IndicatorSDR HEED95369Upper Housing · corrodedWHILE CHANGING OIL COOLER DRIVE QUILL SEAL , FOUND CORROSION ON QUILL MOUNT PAD , TREATED AND APPLIED MASTING UNTIL PERMANENT REPAIR CAN BE MADE.Oct 12, 1995 · N276X · Skrsky S76C · Main Rotor GearboxSDR HEED95361Oil Pump · defectiveLOW OIL PRESSURE AT MODULE 5 TEST POINT, ALSO OIL LEAKS FROM OIL TANK TO ENGINE GEARBOX. REPLACE UNITOct 10, 1995 · N276X · Skrsky S76C · Turbine Engine Oil SystemSDR HEED95360Tip Cap · seoarationTRAILING EDGE SEPERATION. REPLACE UNITOct 9, 1995 · N276X · Skrsky S76C · Main Rotor BladesSDR HEED95359Cooler · metal contamOIL COOLER METAL CONTAIMINATION. REPLACED UNIT.Oct 5, 1995 · N89H · Skrsky S76C · Engine Oil CoolerSDR HEED95358Seal · leakENGINE HAD BAD OIL LEAK AT MODULE 5 AFTER SEAL REPLACEMENT ON VIBRATION CHECK AT REAR BEARING HAD HIGH VIBRATION OF 35 MM AND GOT ENGINE CHIPLITES, FOUND METAL ON MODULE 5 PLUG AND ON OTHER CHIP PLUGS AND IN FILTER. NONEOct 3, 1995 · N89H · Skrsky S76C · Turbine Engine Oil SystemSDR HEED95357Seal · leakingREAR LABYRINTH SEAL LEAKING HIGH OIL USEAGE. ENGINE SMOKING. REPLACE ENGINE ASSEMBLYOct 2, 1995 · N89H · Skrsky S76C · Turbine Engine Oil SystemSDR HEED95356Detector · defectiveDETECTOR FAULTY. CAUSES INTERMITTENT FIRE LIGHT. REPLACE UNITSep 27, 1995 · N89H · Skrsky S76C · Fire DetectionSDR HEED95355Tip Cap · separationSEPARATION ON OUTBOARD TRAILING EDGE. REPLACE UNITSep 26, 1995 · N89H · Skrsky S76C · Main Rotor BladesSDR HEED95354Tip Cap · separationSEPARATION ON OUTBOARD TRAILING EDGE. REPLACE UNITSep 26, 1995 · N89H · Skrsky S76C · Main Rotor BladesSDR HEED95353Start Electrode · defectiveENGINE WILL NOT START. REPLACE UNITSep 22, 1995 · N89H · Skrsky S76C · Ignition System
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