Keystone Helicopter S-76C

Service difficulty reports · 717

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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 = '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 2026FA0000301Indication Sys · false indicationRDAU DISPLAYS FAULTY FUEL INDICATIONS. AFTER START-UP #1 FUEL QUANTITY DROPS APPROX. 100 LBS. THEN RISES THE SAME AFTER SHUTDOWN.Apr 24, 2026 · N781RL · Skrsky S76C · Fuel Quantity IndicatorSDR HEEA202601020001Brace · inoperativeON CLIMB OUT FROM KGLS, RIGHT SIDE LANDING GEAR WOULD NOT RETRACT.Jan 1, 2026 · N745P · Skrsky S76C · Main Landing GearSDR HEEA202509050001Transducer · inoperativeNUMBER ONE ENGINE BARRIER FILTER MAINTENANCE CAUTION CAME ON IN FLIGHT RETURNED TO HOUMA. ALL OTHER ENGINE INDICATIONS NORMAL.Sep 3, 2025 · N725P · Skrsky S76C · Engine Bleed Air SystemSDR HEEA202507240001Valve · leakingDURING CRUISE FLIGHT, SLOW STEADY DECREASE OF NUMBER 1 ENGINE OIL PSI WAS NOTED.Jul 21, 2025 · N738P · Skrsky S76C · Turbine Engine Oil SystemSDR VE7A202505190127Fire Detector · failed#2 ENGINE FIRE CAUTION LIGHT ILLUMINATED AND ALARM SOUND WAS PRESENT DURING FLIGHT.May 14, 2025 · N797P · Skrsky S76C · Fire DetectionSDR 2025F00046Computer · failedPILOTS IIDS SCREEN FAILS AT STARTUP. CENTER IIDS SCREEN FAILS INTERMITTENTLY DURING FLIGHT.Feb 19, 2025 · N784RL · Skrsky S76C · Flight Management Computing Hardware SystemSDR HEEA202412180001Starter Gen · inoperative#2 GENERATOR FAILED DURING OUR HIGH ORBIT OF MC773. CONTINUED ORBITING AND FOLLOWED THE EMERGENCY PROCEDURE CHECKLIST. UNABLE TO RESET. LANDED AT MC773 WITHOUT INCIDENT.Dec 17, 2024 · N794P · Skrsky S76C · DC Generator-AlternatorSDR YTRA2024111500288Fitting · crackedLEFT MAIN LANDING GEAR COLLAPSED ONCE AIRCRAFT SETTLED. GEAR WAS DOWN AND LOCKED. FOUND AIRFRAME FITTING CRACKED.Nov 15, 2024 · N787RL · Skrsky S76C · Main Landing GearSDR YTRA20241127001Fitting · crackedLEFT MAIN LANDING GEAR COLLAPSED WHEN AIRCRAFT SETTLED. GEAR WAS DOWN AND LOCKED. FOUND AIRFRAME FITTING CRACKED.Nov 13, 2024 · N787RL · Skrsky S76C · Fuselage, Landing Gear Attach FittingsSDR VE7A2024091700001Pump · failedON CLIMB OUT WHEN AC WAS TURNED ON ODOR FILLED THE COCKPIT AREA. FLIGHT CANCELED AND RETURNED TO BASE. AIR PUMP MFG BY IMPACT INSTRUMENTATION FAILED AND CAUSED ODOR TO FILL THE COCK PIT AREA PUMP PN E-428K SN 0609003 WAS THE PROBLEM, AND IT FAILED.Sep 14, 2024 · N919CM · Skrsky S76C · Air Distribution SystemSDR YTRA2024091626001Fire Detector · intermittent#2 ENGINE FIRE LIGHT ILLUMINATED INTERMITTENTLY IN LANDING PHASE OF FLIGHT. REMOVED AND REPLACED #2 REAR FLAME DETECTOR.Sep 13, 2024 · N785RL · Skrsky S76C · Fire DetectionSDR HEEA202409160001Transducer · inoperativeDURING 3Q CLIMB OUT, FLUCTUATIONS IN TORQUE AND N1 OBSERVED WITH YAW TO THE LEFT. THIS WAS FOLLOWED BY DECU MINOR FAULT. PROCEEDED TO RTB.Sep 13, 2024 · N725P · Skrsky S76C · Fuel Controlling SystemSDR HEEA202407290001Transmitter · inoperativeDURING CRUISE FLIGHT THE MGB PRESSURE INDICATION BEGAN TO FLUCTUATE BETWEEN 65PSI TO 0 PSI. AIRCRAFT RETURNED TO BASE.Jul 26, 2024 · N725P · Skrsky S76C · Main Rotor GearboxSDR HEEA202407240001Motor · inoperative15 MINUTES FROM HOUMA, SMOKE WAS OBSERVED COMING OUT OF A/C VENTS. AIR CONDITIONER AND FAN WERE TURNED OFF AND SMOKE IMMEDIATELY STOPPED.Jul 23, 2024 · N714P · Skrsky S76C · Humidity Control SystemSDR HEEA202405230001Hydraulic System · fluctuates#1 HYDRAULIC FLUCTUATION, RTBMay 21, 2024 · N724PH · Skrsky S76C · Hydraulic System, MainSDR HEEA202405210001Unknown · smokeDURING CRUISE FLIGHT, EXPERIENCED SMOKE IN COCKPIT FOLLOWED BY ELECTRICAL BURNING SMELL. OPENED DOOR WINDOWS AND TURNED OFF AC AND BLOWER. MC365 WAS WITHIN A MILE AND SET UP FOR EMERGENCY LANDING. NOTIFIED COMM CENTER. VISUALLY INSPECTED AIRCRAFT NOSE, COCKPITMay 14, 2024 · N745P · Skrsky S76C · Air Distribution SystemSDR HEEA202402280001Computer · failedDURING APPROACH OFFSHORE, #2 AP FAILED.Feb 26, 2024 · N738P · Skrsky S76C · Autopilot ComputerSDR VE7A202402069052Fire Detector · false indication: DURING CRUISE FLIGHT #1 ENG FIRE LIGHT, ALONG WITH AUDIO FLASHED ON FOR ABOUT ONE SECOND. NO SECONDARY INDICATIONS OF FIRE OBSERVED. ELECTED TO ABORT FLIGHT. SAME INDICATION OCCURRED THREE MORE TIMES PRIOR TO LANDING. INSPECTED #1 FLAME DECTECTOR FOUND FAULFeb 2, 2024 · N919CM · Skrsky S76C · Fire DetectionSDR HEEA202401310001Transmission · making metalMAIN GEAR BOX CHIP LIGHT CAME ON. ALL OTHER INDICATIONS WERE NORMAL, RESET CIRCUIT BREAKER, AND LIGHT REMAINED ON. AIRCRAFT RETURNED TO HOUMA.Jan 30, 2024 · N794P · Skrsky S76C · Main Rotor GearboxSDR HEEA202401110001Pressure Switch · inoperative# SERVO SYSTEM LIGHT ILLUMINATED IN CRUISE FLIGHT. FOLLOWED EMERGENCY PROCEDURE CHECK LIST. HYDRAULIC PRESSURE REMAINED IN GREEN. NO BINDING IN CONTROL. SLOWED TO 125 KNOTS. LOWERED LANDING GEAR. NO FUTHER ISSUE.Jan 11, 2024 · N794P · Skrsky S76C · Hydraulic Indicating SystemSDR U0GA202311150001Control Rod · damagedBRISTOW RECENTLY DISCOVERED A LOOSE JAM NUT ON AFT M/R SERVO INPUT ROD END DURING A SCHEDULED INSPECTION. THE JAM NUT IS THE SUBJECT OF FAA AD 2015-19-51, AD 2017-19-01 AND SIK AWL 300 HOUR INSPECTION ITEM 30A. THE INTENT OF THESE INSPECTIONS IS ‘. TO DETECT Nov 13, 2023 · N760BG · Skrsky S76C · Main Rotor ControlSDR HEEA202310310001Gauge · failedDURING CRUISE FLIGHT THE FUEL QUANTITY GAUGE FAILED EN-ROUTE TO MC773. THE CREW ELECTED TO DIVERT TO THEIR OFFSHORE ALTERNATE TO BE EVALUATED BY MECHANIC.Oct 31, 2023 · N718P · Skrsky S76C · Fuel Quantity IndicatorSDR HEEA202310230001Retaining Ring · dislodgedDURING CRUISE FLIGHT, WASHERS AND RETENTION RING WERE SEEN ON THE COPILOT FLOOR. DISCOVERED THE RIGHT TAIL ROTOR PEDAL WAS SLIPPING OFF. RETURNED TO BASE WITH NO FURTHER INCIDENT.Oct 23, 2023 · N725P · Skrsky S76C · Tail Rotor Control SystemSDR HEEA202310170002Landing Gear · inoperativeRTB DUE TO NOSE LANDING GEAR DID NOT RETRACT.Oct 17, 2023 · N738P · Skrsky S76C · Nose/Tail Landing GearSDR U0GA ASR11041Unknown · unknownHOLDING SOUTH OF 92LA AT 500' AGL FOR COMPANY TO CLEAR HOSPITAL HELIPAD, #2 ENGINE FIRE WARNING TONE SOUNDED, #2 ENGINE FIRE LIGHT ILLUMINATED, MASTER CAUTION LIGHT ILLUMINATED, AND #2 FIRE T-HANDLE LIGHT ILLUMINATED. AFTER ASSESSING THE SITUATION, CREW DECIDAug 27, 2023 · N760BG · Skrsky S76C · Fire Protection SystemSDR 2023FA0000392Transducer · abnormalMOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTIONJul 26, 2023 · N991MK · Skrsky S76C · Engine ControlsSDR 2023FA0000387Transducer · abnormalMOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUEJul 26, 2023 · N431MK · Skrsky S76C · Engine ControlsSDR 2023FA0000391Transducer · abnormalMOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTIONJul 14, 2023 · N991MK · Skrsky S76C · Engine ControlsSDR 2023FA0000386Transducer · abnormalMOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUEJun 13, 2023 · N431MK · Skrsky S76C · Engine ControlsSDR 2023FA0000390Transducer · abnormalMOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTIONJun 5, 2023 · N991MK · Skrsky S76C · Engine ControlsSDR 2023FA0000389Transducer · abnormalMOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTION.May 2, 2023 · N991MK · Skrsky S76C · Engine ControlsSDR 2023FA0000385Transducer · abnormalMOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUEApr 20, 2023 · N431MK · Skrsky S76C · Engine ControlsSDR 2023FA0000213Transducer · defectivePILOT REPORT: WHEN DEPARTING PN44 IN 431MK WITH TWO PAX ONBOARD, WE EXPERIENCED A MOMENTARY LOSS OF POWER WITH ENGINE OSCILLATIONS. ON TAKEOFF WE PULLED APPROXIMATELY 95% TQ, AFTER ABOUT 5 SECONDS THE LEFT ENGINE ROLLED BACK TO ABOUT 70% TQ AND THE RIGHT SPIKApr 13, 2023 · N991MK · Skrsky S76C · Engine Fuel and ControlSDR 2023FA0000384Transducer · abnormalMOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUEMar 23, 2023 · N431MK · Skrsky S76C · Engine ControlsSDR 2023FA0000388Transducer · abnormalENGINE OUT INDICATION WITH A TORQUE SPLIT AND YAWING MOTION MOMENTARILYMar 16, 2023 · N991MK · Skrsky S76C · Engine ControlsSDR 2023F00074Cable · inoperativeDURING INITIAL LANDING CHECK, THE GEAR LEVER WAS MOVE TO THE LOWERED POSITION. THE NOSE GEAR LIGHT WOULD NOT ILLUMINATE AND WAS INDICATING UNLOCKED. CREW VERIFIED THE LIGHT BULB WAS NOT THE FAULT. RTB HOUMA.Mar 3, 2023 · N794P · Skrsky S76C · Landing Gear Retraction/Extension SystemSDR 2023FA0000383Transducer · abnormalMOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUEMar 1, 2023 · N431MK · Skrsky S76C · Engine ControlsSDR 2023FA0000085Contactor · inoperativeDURING CRUISE IN IMC NO 2 DC GENERATOR FAILED AND DID NOT RESET AFTER EMERGENCY PROCEDURE WAS PERFORMED.Feb 10, 2023 · N714P · Skrsky S76C · Electrical Power SystemSDR YTRA22249Fire Detector · defectiveAT APPROXIMATELY 10:30 AM ENROUTE FROM MC109 TO GALLIANO WHILE CRUISING AT 2200 FT AND ABOUT 45 MILES FROM THE BASE THE #1 ENGINE FIRE LIGHT ILLUMINATED WITH THE ASSOCIATED TONE. PILOTS WENT THROUGH EMERGENCY PROCEDURES AND DISCHARGED THE FIRE BOTTLE IN THE ENSep 2, 2022 · N781RL · Skrsky S76C · Fire DetectionSDR YTRA22244Smoke Detector · smoke"AFT BAGGAGE" CAUTION LIGHT ILLUMINATED DURING DEPARTURE CLIMB OUT. ON LANDING THE SIC INSPECTED THE BAGGAGE COMPARTMENT AND NOTED SMOKE COMING OUT. THE PIC AND SIC THEN PROCEEDED TO REMOVE THE BAGGAGE AND COULD NOT FIND A SOURCE OF THE SMOKE. MAINTENANCE INSPSep 1, 2022 · N784RL · Skrsky S76C · Fire DetectionSDR YTRA2218101Connector · burnedDURING THE FIRST ENGINE CHECK, SMOKE WAS DETECTED IN THE CABIN SO WE ABORTED THE CHECK SHUTDOWN THE ENGINES DOWN AND EVACUATED THE AIRCRAFT.Jun 30, 2022 · N783RL · Skrsky S76C · Electrical ConnectorsSDR 2023FA0000583Keelbeam · corrodedBONDED ASSY. KEEL BEAM PANEL CORRODED BEYOND LIMITS. REPLACED CORRODED KEEL BEAM WITH SERVICEABLE KEEL BEAM.Jun 27, 2022 · N725MF · Skrsky S76C · Fuselage Main, KeelSDR 2022FA0000220None · leakingON CLIMB OUT FROM ARA THERE WAS A STRONG SMELL OF FUEL. ALL CREW MEMBERS SMELLED IT. RTB AND SHUT DOWN.Apr 19, 2022 · N883AL · Skrsky S76C · Fuel Controlling SystemSDR 2023FA0000382Transducer · abnormalAIRCRAFT HAS A MOMENTARY POWER LOSS WITH ENGINE OUT INDICATION AND TORQUE SPLIT WITH A YAWING MOTION,Mar 24, 2022 · N991MK · Skrsky S76C · Engine ControlsSDR 2023FA0000381Transducer · abnormalINFLIGHT MOMENTARY ENGINE ROLLBACK WITH YAW KICK AND TORQUE LOSSMar 24, 2022 · N431MK · Skrsky S76C · Engine ControlsSDR 2022FA0000632Fire Warning · false indicationFALSE FIRE WARNING DURING FIGHTFeb 6, 2022 · N911LK · Skrsky S76C · Fuselage Structure (General)SDR ALGA2020073103002Pump · failedAFTER TAKEOFF, IN CRUISE, THE NR 1 HYDRAULICS INDICATOR DROPPED TO ZERO AND THE NR 1 SERVO LIGHT IN THE CAUTION ADVISORY PANEL ILLUMINATED BY SLIGHT FEED BACK IN THE CONTROLS. AFTER REFERENCING THE EMERGENCY CHECKLIST AND ACCOMPLISHING THE TASKS, DECLARED AN Jul 28, 2020 · N896BG · Skrsky S76C · Hydraulic Pump (Electric/Engine), MainSDR HEER202001023483Wire · burnedSMOKE IN CABIN. FOUND WIRE ON MOTOR BURNT/CHAFED. REPLACED A/C BLOWER ASSEMBLY.Dec 23, 2019 · N794P · Skrsky S76C · Air Conditioning System WiringSDR ALGA20191205154Duct · crackedTHE CABIN HEATER WAS ON AND AS USUAL SMALL AMOUNT OF SMOKE & ENGINE CLEANER ODOR IS PRESENT WHEN HEATER IS INITIALLY TURNED ON. CREW INFORMED PASSENGERS THAT THIS WAS NORMAL. DURING TAKEOFF THE AFT BAGGAGE COMPARTMENT LIGHT ILLUMINATED. TAKEOFF WAS ABORTED , RDec 3, 2019 · N871AL · Skrsky S76C · Heating SystemSDR ALGA020190828087Magnetic Seal · leakingOIL PRESSURE ON #2 ENGINE FLUCTUATING BETWEEN 30-45PSI , OIL TEMP BEGAN TO DECREASE FROM 74 DEG C - 67 DEG C . OIL PRESSURE LIGHT ILLUMINATED . ENGINE WAS SECURED. CREW DIVERTED TO 2LS0.Aug 24, 2019 · N871AL · Skrsky S76C · Turbine Engine Oil System
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