What We Do


Oscoda Engine Services is located in a dedicated facility on the former Wurtsmith U.S. Air Force Base (decommissioned 1993) in Oscoda, Michigan, about three hours north of Detroit. The facility provides customers with a comprehensive range of engine overhaul services, including:

  • Complete engine disassembly, repair and re-assembly (including complete NDT and AD compliance)

  • Gearbox repair and certification

  • Fuel nozzle repair and overhaul

  • Bleed valve repair and overhaul

  • HPC disk overhaul

  • JT8D thrust rating upgrades

  • Machine shop/welding shop

  • Engineering and certification service

On-Wing and AOG Field Support

On-wing services include engine inspections and repairs at plane side which help avoid costly and in many cases, unnecessary shop visits. Oscoda Engine Services provides a full 24/7/365 AOG field team and on-wing support for JT8D engines and can perform borescope inspections and blend borescope repairs. The company’s work force includes several highly qualified mechanics that have completed a number of field support missions from Oscoda.

  • On Wing Testing

  • Engine change

  • ‘C’ check Inspections

  • Powerplant / QEC builds

  • Fan trim balance

  • Troubleshooting

  • Parts replacement: accessory gearbox, fan blades, fan rotors, combustion chambers, nozzle guide vanes, inlet cases, exhaust modules, and LRU’s

  • Borescope: complete with video; hot section; borescope blending

Oscoda Engine Services offers several benefits including:

  • High performance repairs

  • Hot line emergency support

  • Guaranteed turn-around time (TAT)

  • Fixed prices

  • Customized services

  • Processing by a dedicated team in Oscoda or at a customer’s location

Engine Overhaul Product Strategy

Oscoda Engine Services will continue to dominate its position in the “niche” JT8D support market. The JT8D engine was first built in 1963 and became the world’s most popular jet engine, with over 14,000 of all variants produced. There are still many of these engines in operation, and a relative few engine MRO providers have chosen to continue to invest in servicing this segment of the market. With a facility and dedicated test cell capable of servicing all variants of the JT8D, Oscoda Engine Services uniquely provides its customers priority and focus not found elsewhere.