# Service difficulty reports: Keystone Helicopter S-92A A list on [Keystone Helicopter S-92A](https://openairdocs.org/model/keystone-helicopter-s-92a.md). Newest first. General aviation reporting is voluntary. Page 1 of 7 · 324 reports - [SDR HEEA20261526001](https://openairdocs.org/sdr/HEEA20261526001.md): Sensor · unserviceable · Oct 13, 2026 · N935PH · Skrsky S92A · Turbine Engine Oil System > #1 ENG OIL BYPASS ILLUMINATED APPROX. 75 MINUTES INTO FLIGHT. - [SDR AC2A202603069201](https://openairdocs.org/sdr/AC2A202603069201.md): Bearing · unbonded · Mar 4, 2026 · N927SC · Skrsky S92A · Main Rotor Mast/Swashplate > PITCH CONTROL LINK UPPER ROD END ELASTOMER SEPARATED FROM CENTER BUSHING AFTER PICKING UP INTO A HOVER. COMPONENT REMAINED CAPTURED BUT PRODUCED A VIBRATION IN THE MAIN ROTOR SYSTEM. HELICOPTER LANDED AND TAXIED BACK TO THE RAMP FOR INSPECTION. - [SDR U0GA2025120418345](https://openairdocs.org/sdr/U0GA2025120418345.md): Unknown · odor · Dec 3, 2025 · N524PB · Skrsky S92A · Air Distribution System > AFTER LEVELING OFF FROM TAKEOFF WE STARTED NOTICING THE SMELL OF FUEL WHICH SEEMED TO BE COMING FROM THE CABIN AREA OF THE AIRCRAFT. INITIALLY WE TURNED OFF THE HEAT AND SELECTED OUTSIDE AIR FOR THE CABIN AND COCKPIT. WE TRIED DIFFERENT COMBINATIONS OF BLEED A - [SDR HEEA202511100001](https://openairdocs.org/sdr/HEEA202511100001.md): Sensor · dirty · Nov 7, 2025 · N951PH · Skrsky S92A · Engine Controls > FADEC1 FAULT ILLUMINATED FOLLOWED BY FADEC 2 FAULT SEVERAL MINUTES LATER DURING CRUISE FLIGHT. RTB. DURING RTB BOTH CAS EXTINGUISHED PRIOR TO LANDING. - [SDR HEEA202510240001](https://openairdocs.org/sdr/HEEA202510240001.md): Adc · inoperative · Oct 24, 2025 · N925PH · Skrsky S92A · Air Data Computer > NR 2 ADC FAIL IN CRUISE FLIGHT. PERFORMED APPROPRIATE CHECKLIST AND RETURNED TO HMAN. - [SDR HEEA202508180001](https://openairdocs.org/sdr/HEEA202508180001.md): Apu · inoperative · Aug 15, 2025 · N950PH · Skrsky S92A · APU Core Engine > DURING THE EXECUTION OF BEFORE LANDING CHECKS, THE AUXILIARY POWER UNIT (APU) FAILED TO START, AND THE APU FAIL CAUTION LIGHT ILLUMINATED. THE CREW FOLLOWED THE APPROPRIATE PROCEDURES CHECKLIST AND RETURNED THE AIRCRAFT TO THE HOUMA HELIPORT. - [SDR HEEA202508080001](https://openairdocs.org/sdr/HEEA202508080001.md): Warning Light · illuminated · Aug 5, 2025 · N951PH · Skrsky S92A · Tail Rotor Drive Indicating System > DURING CRUISE FLIGHT, IGB CHIP LIGHT ILLUMINATED. LANDED BACK AT DESTINATION PLATFORM. - [SDR HEEA202506200001](https://openairdocs.org/sdr/HEEA202506200001.md): Adc · inoperative · Jun 17, 2025 · N937PH · Skrsky S92A · Air Data Computer > #2 ADC FAILED IN FLIGHT. - [SDR HEEA202505270001](https://openairdocs.org/sdr/HEEA202505270001.md): Sensor · inoperative · May 25, 2025 · N929PH · Skrsky S92A · APU Controls > APU FAIL CAUTION LIGHT ILLUMINATED DURING BEFORE LANDING CHECKS. - [SDR HEEA202403190001](https://openairdocs.org/sdr/HEEA202403190001.md): Actuator · inoperative · Mar 16, 2025 · N946PH · Skrsky S92A · Landing Gear Actuator > ON INITIAL CLIMB OUT, LANDING GEAR FAILED TO RETRACT. EMERGENCY PROCEDURE PERFORMED AND GEAR HANDLE PLACED DOWN. DOWN LOCKED 3 GREEN INDICATION AND AIRCRAFT RETURNED TO BASE. - [SDR HEEA202503100001](https://openairdocs.org/sdr/HEEA202503100001.md): Apu · failed · Mar 5, 2025 · N936PH · Skrsky S92A · APU Core Engine > BEFORE LANDING OFFSHORE, APU FAIL LIGHT ILLUMINATED. EMERGENCY PROCEDURE PERFORMED. RETURNED TO HOUMA. - [SDR AC2A202502289202](https://openairdocs.org/sdr/AC2A202502289202.md): Support Frame · elongated · Feb 28, 2025 · N292MH · Skrsky S92A · Fuselage Main, Frame > DURING OUR INSPECTION, WE DISCOVERED WORKING HYLOC FASTENERS AT THE FS 345.6 FRAME AND THE BL -16.5 TRANSMISSION MOUNT INTERCOSTAL FITTING. WHEN WE GRABBED THE COLLAR WITH PLIERS, WE NOTICED THAT THE FASTENER SHOWING THE MOST SIGNS OF WEAR HAS SLIGHT MOVEMENT. - [SDR AC2A202502289201](https://openairdocs.org/sdr/AC2A202502289201.md): Frame · corroded · Feb 28, 2025 · N292MH · Skrsky S92A · Fuselage Main, Frame > UPON INSPECTION OF THE L/H SPONSON UPPER CENTRAL ATTACHMENT POINT (FS 361) WE HAD EVIDENCE OF LOOSE HARDWARE. UPON REMOVAL OF HARDWARE, WE FOUND THE BOLTS CORRODED AND CORROSION WITHIN THE BUSHING OF THE HOLE. THERE IS NO EVIDENCE OF FRETTING OR MUD WHERE THE - [SDR HEEA202502200001](https://openairdocs.org/sdr/HEEA202502200001.md): Chip Detector · loose · Feb 18, 2025 · N935PH · Skrsky S92A · Tail Rotor Drive Indicating System > DURING CRUISE FLIGHT, IGB HOT LIGHT ILLUMINATED. - [SDR HEEA202501310001](https://openairdocs.org/sdr/HEEA202501310001.md): Plate · cracked · Jan 27, 2025 · N949PH · Skrsky S92A · Engine (Turbine/Turboprop) > DURING DEPARTURE FROM MC782/DEEPWATER POSEIDON THE AIRCRAFT EXPERIENCED AN UN-COMMANDED, INFLIGHT SHUTDOWN OF THE #1 ENGINE. THE AIRCREW FOLLOWED THE CHECKLIST EMERGENCY PROCEDURE AND LANDED AT HOUMA WITHOUT FURTHER INCIDENT. - [SDR AC2A202501209201](https://openairdocs.org/sdr/AC2A202501209201.md): Servo · leaking · Jan 20, 2025 · N927SC · Skrsky S92A · Hydraulic System, Main > APPROXIMATELY 10 MINUTES INTO THE FLIGHT, THE AIRCRAFT EXPERIENCED A NO. 2 HYDRAULIC PUMP LOW CAS AND THE AIRCRAFT RETURNED TO BASE. UPON INSPECTION, WE DISCOVERED THAT THE FORWARD SERVO SEAL WAS LEAKING EXTENSIVELY, WHICH LIKELY CAUSED THE NO. 2 HYDRAULIC SYS - [SDR HEEA202501070003](https://openairdocs.org/sdr/HEEA202501070003.md): Switch · inoperative · Jan 3, 2025 · N936PH · Skrsky S92A · Landing Gear Position and Warning > LANDING GEAR WILL NOT RETRACT. - [SDR HEEA202501020001](https://openairdocs.org/sdr/HEEA202501020001.md): Gearbox · making metal · Dec 31, 2024 · N932PH · Skrsky S92A · Main Rotor Gearbox > LN CRUISE ON A FLIGHT FROM HMA TO GB-386 POSEIDON, A MGB CHLP CAUTION ILLUMINATED, FOLLOWED BY INPUT 2 CHIP CAUTION APPROXIMATELY 4 MINUTES LATER. CREW DEVIATED TO KHUM UPON FIRST CAUTION. - [SDR HEEA202501070002](https://openairdocs.org/sdr/HEEA202501070002.md): Control Panel · inoperative · Dec 29, 2024 · N936PH · Skrsky S92A · Landing Gear Retraction/Extension System > DURING CLIMB, LANDING GEAR WOULD NOT RETRACT WHEN GEAR HANDLE WAS RAISED. PILOT ELECTED TO LOWER GEAR HANDLE AND LAND. - [SDR HEEA202412290001](https://openairdocs.org/sdr/HEEA202412290001.md): Control Panel · inoperative · Dec 29, 2024 · N936PH · Skrsky S92A · Landing Gear Retraction/Extension System > DURING CLIMB, LANDING GEAR WOULD NOT RETRACT WHEN GEAR HANDLE WAS RAISED. - [SDR HEEA202412060001](https://openairdocs.org/sdr/HEEA202412060001.md): Control Panel · inoperative · Dec 2, 2024 · N937PH · Skrsky S92A · Landing Gear Retraction/Extension System > DURING TAKEOFF FROM HOUMA THE LANDING GEAR WOULD NOT RETRACT. - [SDR HEEA202409230001](https://openairdocs.org/sdr/HEEA202409230001.md): Gearbox · making metal · Sep 22, 2024 · N940PH · Skrsky S92A · Main Rotor Gearbox > #1 INPUT CHIP LIGHT ILLUMINATED. - [SDR U0GA2024091314429](https://openairdocs.org/sdr/U0GA2024091314429.md): Wire Harness · damaged · Sep 13, 2024 · N145JW · Skrsky S92A · Fire Protection System Wiring > FIRE LIGHT FLASHES INTERMITTENTLY WITH NO AUDIO OR CAPTION LIGHT.: REMOVED AND REPLACED #2 ENGINE OUTBOARD FLAME DETECTOR HARNESS. OPERATIONAL CHECK GOOD. - [SDR U0GA2024091314425](https://openairdocs.org/sdr/U0GA2024091314425.md): Connector · contaminated · Sep 12, 2024 · N145JW · Skrsky S92A · Fire Protection System Wiring > FIRE LIGHT FLASHES INTERMITTENTLY WITH NO AUDIO OR CAPTION LIGHT. DURING SHUTDOWN FIRE TEST OUTBOARD CIRCUIT BREAKER POPS WHEN TESTING. DRIED WATER FROM CONNECTOR PLUG. OPS CHECKED GOOD. - [SDR U0GA2024091314412](https://openairdocs.org/sdr/U0GA2024091314412.md): Fire Detector · contaminated · Sep 10, 2024 · N145JW · Skrsky S92A · Fire Detection > FIRE #2 ENG CAUTION AND AUDIO ACTIVATED DURING HEAVY RAIN AND STAYED "ON". FOUND WATER ON JUNCTION OF #2 INBOARD FIRE DETECTOR CONNECTOR HARNESS. CLEANED AND DRIED OUT CONNECTOR. OPS CHECK GOOD ON GROUND AT THIS TIME. ALL WORK PERFORMED IAW REF. S92 WIRING S - [SDR U0GA2024090914391](https://openairdocs.org/sdr/U0GA2024090914391.md): Connector · contaminated · Sep 8, 2024 · N145JW · Skrsky S92A · Fire Protection System Wiring > FIRE #2 ENGINE CAUTION LIGHT AND AUDIO WARNING ON FOR ONE MINUTE IN RAIN. INSPECTED #2 FIRE DETECTOR WIRE HARNESS AND DRIED CONNECTORS. TESTED SATISFACTORY. TL-265449-2024 - [SDR U0GA2024090914385](https://openairdocs.org/sdr/U0GA2024090914385.md): Connector · dirty · Sep 7, 2024 · N524PB · Skrsky S92A · Fire Protection System Wiring > NO 2 ENGINE FIRE LIGHT ILLUMINATED IN HEAVY RAIN FOR 3 SECONDS WITH NO AUDIO WARNING. CLEANED #2 ENGINE FIRE DETECTOR CANNON PLUGS. OPS CHECK GOOD. REF. S92A AMM CHAPTER 26. TL-265397-2024 - [SDR U0GA 202409014384](https://openairdocs.org/sdr/U0GA%20202409014384.md): Connector · dirty · Sep 7, 2024 · N145JW · Skrsky S92A · Fire Protection System Wiring > NO #2 ENGINE FIRE LIGHT ILLUMINATED IN FLIGHT 10 MINUTES AFTER TAKE-OFF. CLEANED ALL ELECTRICAL CONNECTORS ON FLAME DETECTOR AND UPPER DECK. FIRE LIGHT WENT OFF, TESTED SATISFACTORY. TL-265393-2024 - [SDR HEEA202409060001](https://openairdocs.org/sdr/HEEA202409060001.md): Connector · dirty · Sep 3, 2024 · N951PH · Skrsky S92A · Tail Rotor Drive Indicating System > CHIP SYSTEMS FAULT AND IGB OIL HOT LIGHT ILLUMINATED. - [SDR HEEA202408300001](https://openairdocs.org/sdr/HEEA202408300001.md): Gcu · inoperative · Aug 27, 2024 · N944PH · Skrsky S92A · AC Generator-Alternator > #1 GENERATOR FAILURE. - [SDR HEEA202408150001](https://openairdocs.org/sdr/HEEA202408150001.md): Generator · inoperative · Aug 13, 2024 · N944PH · Skrsky S92A · AC Generator-Alternator > WHILE IN CRUISE FLT @ 4000 FT, THE AC #1 GENERATOR FAILED. AFTER FOLLOWING THE EMERGENCY PROCEDURE CHECKLIST, WE CUT OFF THE AC #1 GENERATOR AND CONTINUED TO OUR DESTINATION OF HOUMA WITHOUT INCIDENT. - [SDR HEEA202407260001](https://openairdocs.org/sdr/HEEA202407260001.md): Engine · making metal · Jul 25, 2024 · N945PH · Skrsky S92A · Engine (Turbine/Turboprop) > #2 ENGINE CHIP CAUTION LIGHT ON. - [SDR HEEA202407150001](https://openairdocs.org/sdr/HEEA202407150001.md): Sensor · inoperative · Jul 11, 2024 · N936PH · Skrsky S92A · Main Rotor Gearbox > ON OUTBOUND LEG, DURING CLIMB OUT, MGB PRESSURE INCREASED INTO THE PRECAUTIONARY (YELLOW) RANGE. RTB, DECLARED EMERGENCY, LANDED RUNWAY 36 AT HOUMA. - [SDR HEEA202406280001](https://openairdocs.org/sdr/HEEA202406280001.md): Proximity Switch · inoperative · Jun 26, 2024 · N794P · Skrsky S92A · Landing Gear Position and Warning > LANDING GEAR INITIALLY WOULD NOT RETRACT. AFTER CYCLING THE LANDING GEAR ONCE, IT FUNCTIONED PROPERLY AND RETRACTED. - [SDR HEEA202406170001](https://openairdocs.org/sdr/HEEA202406170001.md): Generator · inoperative · Jun 13, 2024 · N592PH · Skrsky S92A · AC Generator-Alternator > APU FAIL CAUTION IN FLIGHT DURING BEFORE LANDING CHECKS. ATTEMPTS TO RESET THE GENERATOR WERE NOT SUCCESSFUL AND AIRCRAFT WAS RETURNED TO HMA. - [SDR HEEA202406140001](https://openairdocs.org/sdr/HEEA202406140001.md): Wire Harness · inoperative · Jun 13, 2024 · N949PH · Skrsky S92A · Fire Protection System Wiring > #2 ENGINE FIRE LIGHT ILLUMINATED WITH NO SECONDARY INDICATIONS. PERFORMED EMERGENCY PROCEDURES AND RETURNED TO BASE. - [SDR HEEA2024061100443](https://openairdocs.org/sdr/HEEA2024061100443.md): Pylon · corroded · Jun 11, 2024 · N925PH · Skrsky S92A · Rotorcraft Tail Boom > CORROSION INSIDE HORIZONTAL STABILIZER IN NUMEROUS AREAS ON FITTINGS AND LONGERONS. - [SDR HEEA202406110149](https://openairdocs.org/sdr/HEEA202406110149.md): Pylon · corroded · Jun 11, 2024 · N92011 · Skrsky S92A · Aerodynamic Fairings > EXCESSIVE CORROSION FOUND INSIDE OF VERTICAL TAIL PYLON. - [SDR HEEA202405210002](https://openairdocs.org/sdr/HEEA202405210002.md): Fire Detector · false activation · May 10, 2024 · N929PH · Skrsky S92A · Fire Detection > DURING CRUISE FLIGHT ENGINE #2 FIRE LIGHT AND AUDIO WOULD COME ON MOMENTARILY AND THEN EXTINGUISH MULTIPLE TIMES. WE THEN RETURNED TO BASE. - [SDR HEEA202405140001](https://openairdocs.org/sdr/HEEA202405140001.md): Switch · faulted · May 8, 2024 · N941PH · Skrsky S92A · Door Warning System > DOOR OPEN LIGHT ILLUMINATED UPON REACHING CRUISE FLIGHT. EMERGENCY PROCEDURE PERFORMED AND LIGHT EXTINGUISHED WHILE SLOWING AIRSPEED TO 80 KNOTS. VERIFIED THE DOOR WAS LATCHED CORRECTLY AND THE PINS WERE IN. AFTER SPEEDING BACK UP TO CRUISE SPEED THE LIGHT CAM - [SDR HEEA202403210001](https://openairdocs.org/sdr/HEEA202403210001.md): Pump · inoperative · Mar 20, 2024 · N935PH · Skrsky S92A · Hydraulic Pump (Electric/Engine), Main > HYD 2 RSVR LOW ILLUMINATED INITIALLY 2-3 MINUTES AFTER REACHING CRUISING ALTITUDE AND RESULTED IN HYD 2 FAILURE. REQUESTED TO RETURN TO KGLS. UPON RETURN HYD 2 PUMP FAIL, SAS 2 PRESS, PSAS 2 FAULT, BOOST PRESS CAUTIONS ILLUMINATED. - [SDR AC2R921GL03192024](https://openairdocs.org/sdr/AC2R921GL03192024.md): Bushing · cracked · Mar 19, 2024 · N921GL · Skrsky S92A · Main Rotor Gearbox > THREE OF THE BUSHINGS ON THE RH MOUNTING FOOT WAS FOUND TO BE FRACTURED. - [SDR U0GA2024030612717](https://openairdocs.org/sdr/U0GA2024030612717.md): Fire Detector · faulted · Mar 5, 2024 · N524PB · Skrsky S92A · Fire Detection > OUTBOUND LEVEL AT 3000' THE AIRCRAFT BEGAN TO GIVE INTERMITTENT APU FIRE WARNINGS. THE AIRCRAFT WAS TURNED BACK TO RETURN TO BASE AND THE FIRE WARNINGS STOPPED APPROXIMATELY 5 MINUTES AFTER IT HAD BEGUN. WHILE ON APPROACH WHEN THE AIRCRAFT ENTERED CLOUDS THE W - [SDR HEEA202402190001](https://openairdocs.org/sdr/HEEA202402190001.md): Control Unit · inoperative · Feb 17, 2024 · N929PH · Skrsky S92A · AC Generator-Alternator > DURING CRUISE, #1 AC GENERATOR FAILED AND WOULD NOT RESET. THEN RETURNED TO BASE. - [SDR HEEA202402160001](https://openairdocs.org/sdr/HEEA202402160001.md): Generator · inoperative · Feb 14, 2024 · N949PH · Skrsky S92A · AC Generator-Alternator > ON SHORT FINAL TO MV C-CONSTRUCTOR #2 GEN FAIL CAUTION LIGHT ILLUMINATED. CONDUCTED A WAVE-OFF INTO A HOLDING PATTERN. EXECUTED CHECKLIST TOR #2 GEN FAIL TO RECYCLE/RESET THE GENERATOR. GENERATOR RETURNED WITHOUT ISSUE. CONTINUED FLIGHT IAW PROCEDURES. - [SDR HEEA202402050001](https://openairdocs.org/sdr/HEEA202402050001.md): Adc · inoperative · Feb 3, 2024 · N922BH · Skrsky S92A · Air Data Computer > DURING CRUISE, #1 ADC FAILED, PERFORMED EMERGENCY PROCEDURES. - [SDR U0GA202402020001](https://openairdocs.org/sdr/U0GA202402020001.md): Unknown · odor · Feb 2, 2024 · N920VH · Skrsky S92A · Air Distribution System > WHILE ENROUTE TO GC468 ON HAA TASKING CREW STATED THAT THEY HAD A STRONG INDICATION OF FUEL SMELL. THE ODOR INCREASED AND CREW STATED THAT THEY WERE HAVING NEGATIVE EFFECTS ON VISION, NAUSEA AND HEADACHES. VISUAL OBSERVATION OF LEAKING FUEL UNDER MEDIC SEAT AF - [SDR HEEA202401310002](https://openairdocs.org/sdr/HEEA202401310002.md): Generator · inoperative · Jan 27, 2024 · N592PH · Skrsky S92A · AC Generator-Alternator > DURING CRUISE, #2 AC GENERATOR FAILED CAUTION ILLUMINATED, AS WELL AS AP#2. EMERGENCY PROCEDURE PERFORMED PER THE CHECKLIST, #2 AC GENERATOR CAME BACK ONLINE. #2 AC GENERATOR CAUTION ILLUMINATED AGAIN, PERFORMED EMERGENCY PROCEDURE ONCE AGAIN. RETURN TO HOUMA. - [SDR HEEA202312010001](https://openairdocs.org/sdr/HEEA202312010001.md): Compass · inoperative · Dec 1, 2023 · N928PH · Skrsky S92A · Magnetic Compass > AUTO PILOT FAILED IN FLIGHT DUE TO A HEADING MISCOMPARE. - [SDR HEEA202311280001](https://openairdocs.org/sdr/HEEA202311280001.md): Processor · inoperative · Nov 28, 2023 · N950PH · Skrsky S92A · Navigation System > ENROUTE, AHRS #2 AND AP #1 & 2 FAILED, RETURNED TO HOUMA Next page: https://openairdocs.org/model/keystone-helicopter-s-92a/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = 'S92A' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/keystone-helicopter-s-92a/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.