Sikorsky S-76

Service difficulty reports · 185

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 = 'S76'
  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 95ZZZX2813Bushing · wornDURING SHOP TEAR DOWN AND INSPECTION FOR REPAIR DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - CONTAMINATED OIL.May 9, 1995 · N705AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2811Bearing · wornDURING SHOP TEAR DOWN FOR REPAIR OF DAMPER DUE TO WEAK OPERATION, FOUND WEAR BETWEEN INNER AND OUTER RACES BEYOND LIMITS. SUSPECT CAUSE - OIL CONTAMINATED.May 9, 1995 · N703AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2810Bushing · wornDURING SHOP TEAR DOWN FOR REPAIR OF DAMPER DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - OIL CONTAMINATION.May 9, 1995 · N703AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2809Bushing · wornDURING SHOP TEAR DOWN FOR REPAIR OF DAMPER DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - OIL CONTAMINATION.May 9, 1995 · N703AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2808Piston Rod · wornDURING SHOP TEAR DOWN FOR REPAIR OF DAMPER ASSY DUE TO WEAK OPERATION, FOUND INBOARD PISTON ROD BUSHING SURFACE WORN PAST LIMITS. SUSPECT WEAR CAUSED BY HYDRAULIC OIL CONTAMINATION.May 9, 1995 · N703AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2807Bushing · wornDURING SHOP TEAR DOWN FOR REPAIR OF DAMPER DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - CONTAMINATED OIL.May 9, 1995 · N702AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2806Bushing · wornDURING SHOP TEAR DOWN AND INSPECTION FOR REPAIR DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - CONTAMINATED OIL.May 9, 1995 · N702AL · Skrsky S76 · Main Rotor HeadSDR 95ZZZX2805Bushing · wornDURING TEAR DOWN AND INSPECTION FOR REPAIR DUE TO WEAK OPERATION, FOUND BUSHING ID WORN PAST LIMITS. SUSPECT CAUSE - CONTAMINATED OIL.May 9, 1995 · N702AL · Skrsky S76 · Main Rotor HeadSDR EGRA9590Blade · disbondedTAIL ROTOR BLADE HAS DEBONDED SNUBBER PADS INSTALLED REPAIRED TAIL ROTOR BLADE FROM CTIMay 5, 1995 · N399KK · Skrsky S76 · Tail Rotor BladesSDR EGRA9589Blade · disbondedTAIL ROTOR BLADE HAS DISBONDED SNUBBER PADS.May 5, 1995 · N399KK · Skrsky S76 · Tail Rotor BladesSDR EGRA9588Servo · leakingMAIN ROTOR SERVO FOUND LEAKING, REMOVED AND SENT FOR REPAIR REINSTALLED SERVO AFTER REPAIR LEAK CHECKED GOOD, OP CHECKED GOODMay 5, 1995 · N399KK · Skrsky S76 · Rotorcraft Servo SystemSDR EGRA9587Servo · leakingTAIL ROTOR SERVO FOUND LEAKING REMOVED SERVO AND SENT FOR REPAIR. REINSTALLED LEAK CHECKED GOOD, OPS CHECKED GOODMay 4, 1995 · N399KK · Skrsky S76 · Rotorcraft Servo SystemSDR EGRA9586Antenna · crackedANTENNA FOUND CRACKED REPLACED ANTENNAMay 4, 1995 · N399KK · Skrsky S76 · DME/TACAN SystemSDR EGRA9585Bolt · wornSTATIONARY SCISSORS BOLT FOUND WORN REPLACED BOLTMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR EGRA9584Bolt · wornSTATIONARY SCISSORS BOLT FOUND WORN. REPLACED BOLTMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR EGRA9582Washer · wornPITCH LINK ROD WASHERS FOUND WORN REPLACED WASHERSMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9581Bearing · wornROTATING SWASHPLATE BEARING FOUND WORN REPLACED BEARINGMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR EGRA9580Bearing · wornPITCH LINK BEARING FOUND WORN REPLACED BEARINGMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9579Washer · wornPITCH LINK ROD BOLT WASHERS FOUND WORN REPLACED WASHERSMay 3, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9578Bolt · wornBOLTS FOUND WORN BEYOND LIMITS REPLACED BOLTS.May 3, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9577Bearing · wornPITCH LINK BEARINGS FOUND WORN REPLACED BEARINGSMay 2, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9576Bolt · wornBOLTS FOUND WORN REPLACED BOLTSMay 2, 1995 · N399KK · Skrsky S76 · Main Rotor HeadSDR EGRA9575Rod · bentRH N2 ROD BENT AND MISSING LOCKING HOLES REPLACED RH N2 ROD IAW CBT-TC-95-0398May 2, 1995 · N399KK · Skrsky S76 · Rotorcraft Flight ControlSDR EGRA9574Snubber · tornTAIL ROTOR BLADE SNUBBER FOUND TORN. REPLACED NEW SNUBBERS.May 2, 1995 · N399KK · Skrsky S76 · Tail Rotor BladesSDR EGRA9573Bearing · wornROTATING SCISSOR BEARINGS WORN OUT OF LIMITS (.110) REPLACED BEARINGSMay 2, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR EGRA9572Brake Assy · wornBRAKE ASSY WORN BEYOND LIMITS REPLACED BRAKE ASSYMay 2, 1995 · N399KK · Skrsky S76 · BrakeSDR EGRA9571Uniball Assy · blisteredCORROSION BLISTER ON SURFACE OF BALL. REPLACED UNIBALL ASSY.May 2, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR EGRA9570Retainer Assy · groovedGROOVE WORN ON RETAINER. CAUSE IMPROPER DIMENSION ON SHIM PINCH REPLACED RETAINER ASSY.May 2, 1995 · N399KK · Skrsky S76 · Main Rotor Mast/SwashplateSDR 95ZZZX2804Combustion Case · crackedTHIS DEFECT WAS DISCOVERED AT 1750-HOUR OVERHAUL. OUTER COMBUSTION CASE WAS CRACKED IN ARMPIT UNDER THE SCREEN PATCH REINFORCEMENT AND EXTENDED ON SEAM AND INTO THE SEAM PERPENDICULAR TO THE FLANGE AND PARALLEL TO THE FLANGE. A CRACK SUCH AS THIS MAY CAUSE PMay 2, 1995 · N701AL · Skrsky S76 · Turbine Engine Combustion SectionSDR EGRA9569Oil Pump · malfunctionFLUCTUATING OIL PSI @ 35-45 PSI REPLACED OIL PUMPApr 28, 1995 · N154AE · Skrsky S76 · Turbine Engine Oil SystemSDR HEEA954821Potentiometer · defectiveCAUSES VOLTAGE FROM J1-B TO GROUND ON BOTH EXTEND AND RETRACT POSITIONS OF ACTUATOR TO BE TOO LOW AND OUT OF LIMITS.Apr 20, 1995 · Skrsky S76 · Autopilot SystemSDR 95ZZZX2090Bearing Cone · failedDURING GROUND RUN, INTERMEDIATE GEARGBOX BEARING FAILED. CAUSE UNKNOWN. BEARINGS, INPUT QUILL HOUSING AND INPUT GEAR SENT TO SIKORSKY FOR EVALUATION. CONE PN SB3167101, CUP PN SB3167201.Mar 8, 1995 · N703AL · Skrsky S76 · Tail Rotor GearboxSDR 95ZZZX2195Pump · failedON TAKOFF, THE NR 2 SERVO LIGHT ILLUMINATED WITH DROP IN HYDRAULIC PRESSURE. REPLACED PUMP. CHAPTER 29-20-01, FIGURE 1, PAGE 0, ITEM 11.Feb 27, 1995 · N911MJ · Skrsky S76 · Hydraulic Pump (Electric/Engine), MainSDR 95ZZZX1526Amplifier · malfunctionDURING APPROACH, NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED. NO OTHER INDICATIONS OF FIRE WERE NOTED. THE AIRCRAFT MADE AN UNEVENTFUL LANDING AND WAS SHUT DOWN. NR 1 ENGINE FIRE DETECTOR AMP WAS FOUND BAD. REPLACED AMP. GROUND CHECK, OKAY.Jan 31, 1995 · N5446E · Skrsky S76 · Fire DetectionSDR 95ZZZX1527Amplifier · malfunctionAFTER DEPARTURE, NR 2 ENGINE FIRE LIGHT ILLUMINATED. THERE WAS NO SMOKE VISIBLE, NO SMELL, AND NO ERRATIC ENGINE INDICATIONS. ACFT RETURNED FOR UNEVENTFUL LANDING. FIRE DETECTOR AMPLIFIER WAS REPLACED. SYSTEM OPS CHECK AND TEST OKAY. AWAITING DETAILS FROMJan 20, 1995 · N5446E · Skrsky S76 · Fire Detection
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