# Service difficulty reports: N454JH A list on [N454JH](https://openairdocs.org/aircraft/N454JH.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2026FA0000161](https://openairdocs.org/sdr/2026FA0000161.md): Transmission · making metal · Mar 5, 2026 · N454JH · Hughes 369E · Main Rotor Gearbox > PILOT REPORTED INTERMITTENT MAIN GEARBOX CHIP LIGHT DURING APPROACH TO LANDING. MAGNETIC PLUG INSPECTION REVEALED METAL CONTAMINATION BEYOND ACCEPTABLE LIMITS AND TRANSMISSION WAS REMOVED FOR REPAIR. - [SDR 2024FA0000959](https://openairdocs.org/sdr/2024FA0000959.md): Engine · making metal · Dec 12, 2024 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > PILOT EXPERIENCED AN ENGINE CHIP LIGHT DURING LANDING. ENGINE REMOVED FROM AIRCRAFT FOR FURTHER INVESTIGATION. - [SDR 2024FA0000958](https://openairdocs.org/sdr/2024FA0000958.md): Engine · making metal · Dec 11, 2024 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > PILOT EXPERIENCED AN ENGINE CHIP INDICATION DURING APPROACH. MAINTENANCE PERFORMED CLEANING AND GROUND RUNS AND RETURNED TO SERVICE. - [SDR 2022FA0000760](https://openairdocs.org/sdr/2022FA0000760.md): Engine · making metal · Dec 14, 2022 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > ENGINE GEARBOX CHIP LIGHT ILLUMINATED DURING APPROACH FOR LANDING. UPON INSPECTION IT WAS DETERMINED THAT THE UPPER GEARBOX MAGNETIC CHIP DETECTOR HAD ILLUMINATED THE WARNING LIGHT WITH METAL ABOVE THE MAXIMUM ALLOWED. A SMALLER AMOUNT OF METAL WAS FOUND ON TH - [SDR 2022FA0000677](https://openairdocs.org/sdr/2022FA0000677.md): Engine · making metal · Nov 8, 2022 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > PILOT GOT AN ENGINE CHIP LIGHT DURING FLIGHT AND PERFORMED A PRECAUTIONARY LANDING. MAINTENANCE FOUND EVIDENCE OF CHIPS ON THE LOWER AND UPPER ENGINE GEARBOX CHIP DETECTORS. ENGINE REMOVED FROM AIRCRAFT FOR INSPECTION. - [SDR 2021FA0000137](https://openairdocs.org/sdr/2021FA0000137.md): Turbine Wheel · binding · May 13, 2021 · N454JH · Hughes 369E · Turbine Section > DURING MAINTENANCE THE MECHANICS DETERMINED THE FIRST STAGE TURBINE BLADES WERE RUBBING ON THE NOZZLE.ASSEMBLY REMOVED FROM ENGINE - [SDR DCGA2019FA0000153](https://openairdocs.org/sdr/DCGA2019FA0000153.md): Engine · making metal · May 15, 2019 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > ENGINE CHIP LIGHT DURING FLIGHT. MAINTENANCE FOUND 4 FLAKES ON UPPER AND LOWER PLUGS WITHIN PARAMETERS. PERFORMED AN OIL SYSTEM DRAIN, FLUSH AND FILTER CLEAN AND CHANGE AND GROUND RUN. CHIP PLUGS WERE CLEAN UPON REINSPECTION. AIRCRAFT WAS RETURNED TO SERVICE. - [SDR J5XA2019FA0000031](https://openairdocs.org/sdr/J5XA2019FA0000031.md): Chip Detector · contaminated · Feb 5, 2019 · N454JH · Hughes 369E · Turbine Engine Accessory Drive > PILOT REPORTED AN ENGINE CHIP LIGHT DURING APPROACH TO LANDING. MAINTENANCE FOUND ACCEPTABLE CHIPS ON UPPER AND LOWER PLUGS. THE PLUGS WERE CLEANED AND REINSTALLED AND A PENALTY RUN WAS PERFORMED. THE PLUGS WERE RECHECKED AND FOUND CLEAN. AIRCRAFT WAS RETURNED - [SDR DCGA201811200487](https://openairdocs.org/sdr/DCGA201811200487.md): Chip Detector · shorted · Nov 20, 2018 · N454JH · Hughes 369E · Main Rotor Gearbox > DURING A PREFLIGHT INSPECTION THE PILOT NOTICE A MAIN ROTOR GEARBOX DIMMLY ILLUMINATED CHIP LIGHT. MAINTENANNCE DISCOVERED AND INTERNAL SHORT IN THE CHIP DETECTOR AND REPLACED WITH SERVICABLE. - [SDR 2018FA0000126](https://openairdocs.org/sdr/2018FA0000126.md): Bladder · leaking · Apr 3, 2018 · N454JH · Hughes 369E · Fuel Storage > DURING 100 HOUR MAINTENANCE INSPECTION, A SMALL FUEL LEAK WAS DISCOVERED ON THE BOTTOM OF THE RIGHT FUEL BLADDER. BLADDER WAS REMOVED AND REPLACED - [SDR 2017FA0000005](https://openairdocs.org/sdr/2017FA0000005.md): Gearbox · excess play · Jan 5, 2017 · N454JH · Hughes 369E · Main Rotor Gearbox > DURING MAINTENANCE A MECHANIC DISCOVERED EXCESSIVE GEARPLAY IN THE MAIN ROTOR TRANSMISSION. THE UNIT WAS REMOVED FOR REPAIR - [SDR 2017FA0000000](https://openairdocs.org/sdr/2017FA0000000.md): Compressor · damaged · Jan 3, 2017 · N454JH · Hughes 369E · Turbine Engine Compressor Section > PILOT REPORTED TURBINE OUTLET TEMPERATURE INCREASE AT END OF FLIGHT. MAINTENANCE DISCOVERED COMPRESSOR BLADES DAMAGED BY UNKNOWN FOD. - [SDR 2016FA0000537](https://openairdocs.org/sdr/2016FA0000537.md): Fuel Control · leaking · Oct 24, 2016 · N454JH · Hughes 369E · Fuel Control/Turbine Engines > DURING A POST FLIGHT INSPECTION MAINTENANCE FOUND A SMALL FUEL LEAK AT THE OUT FITTING LOCATION ON THE ENGINE FUEL CONTROL UNIT. THE UNIT WAS REPLACED WITH A SERVICEABLE UNIT. - [SDR DCGA2016FA0000261](https://openairdocs.org/sdr/DCGA2016FA0000261.md): Blade · dented · May 27, 2016 · N454JH · Hughes 369E · Main Rotor Blades > DAMAGE WAS FOUND IN AREAS A AND H ON 4 OF THE 5 MAIN ROTOR BLADE BOTTOM SKINS APPROXIMATELY 6" FROM THE BLADE TIPS. MAINTENANCE DETERMINED IAW CSP HMI-2 MM THAT IT WAS REPAIRABLE DAMAGE AND NO SUDDEN STOPPAGE INSPECTION WAS REQUIRED. AFFECTED BLADES WERE REM - [SDR 2015FA0000494](https://openairdocs.org/sdr/2015FA0000494.md): Engine · making metal · Oct 14, 2015 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > DURING GROUND RUN AFTER THE FIRST START OF THE DAY THE ENGINE CHIP LIGHT ILLUMINATED. MAINTENANCE INSPECTED THE UPPER AND LOWER ENGINE PLUGS AND FOUND 1 SLIVER ON THE UPPER PLUG. A 30 MINUTE GOUND RUN WAS PERFORMED AND THE PLUGS WERE RECHECKED AND FOUND CLEAN - [SDR 2015FA0000003](https://openairdocs.org/sdr/2015FA0000003.md): Bladder · leaking · Jan 8, 2015 · N454JH · Doug MD500E · Fuel Storage > SMALL PUDDLE OF FUEL FOUND ON THE GROUND UNDER THE BELLY OF THE ACFT AT PREFLIGHT. MAINTENANCE FOUND A SMALL PUNCTURE IN THE RT FUEL BLADDER OF AN UNCONFIRMED ORIGIN. - [SDR 2013FA0000472](https://openairdocs.org/sdr/2013FA0000472.md): Line · chafed · Aug 15, 2013 · N454JH · Hughes 369E · Indicating/Recording System > WET LINE FROM ENGINE TORQUE FITTING TO GAUGE, CHAFED WHERE IT ENTERS THE INSTRUMENT PANEL AND HAD A SMALL LEAK. PILOT MADE AN UNSCHEDULED LANDING. MX REPAIRED THE LINE. - [SDR 2010FA0001084](https://openairdocs.org/sdr/2010FA0001084.md): Connector · dirty · Oct 5, 2010 · N454JH · Hughes 369E · Turbine Engine System Wiring > ON APPROACH TO LANDING THE PILOT HAD A CHIP LIGHT EVENT. MX REMOVED BOTH ENGINE CHIP PLUGS AND FOUND NO DEBRIS. IT WAS DETERMINED THAT THE LOWER CHIP PLUG CONNECTOR PLUG WAS SHORTED INTERNALLY AND CAUSING THE LIGHT. THE CONNECTOR WAS REPLACED. - [SDR 2010FA0001083](https://openairdocs.org/sdr/2010FA0001083.md): Warning Light · false activation · Oct 5, 2010 · N454JH · Hughes 369E · Engine Indicating System > ON APPROACH TO LANDING THE PILOT HAD AN ENGINE CHIP LIGHT EVENT. THE LIGHT REMAINED ON DURING SHUTDOWN BUT WHEN MX ARRIVED THE LIGHT WAS OUT. BOTH ENGINE CHIP PLUGS WERE PULLED AND WERE FOUND TO BE CLEAN OF DEBRIS. THE LIGHT EVENT COULD NOT BE DUPLICATED. - [SDR 2010FA0000578](https://openairdocs.org/sdr/2010FA0000578.md): Engine · making metal · Jun 17, 2010 · N454JH · Hughes 369E · Engine (Turbine/Turboprop) > PILOT DEPARTED THE AIRPORT FOR A TOUR FLIGHT AND AN ENGINE CHIP WARNING LIGHT CAME ON. THE PILOT RETURNED TO THE AIRPORT. MX PULLED THE UPPER AND LOWER CHIP PLUGS AND FOUND A SMALL AMOUNT OF MATERIAL ON THE UPPER PLUG.79MM OR LESS IN SIZE. AFTER A 30 MINUTE P ## 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 n_number = 'N454JH' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N454JH/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.