An F-22A was damaged after experiencing an overheat condition in the auxiliary power unit exhaust bay on October 30, 2020, at Nellis Air Force Base, Nevada. The aircraft involved was assigned to the 422d Test and Evaluation Squadron, Nellis Air Force
Base, Nevada, 53d Wing, headquartered at Eglin Air Force Base, Florida. The aircraft was maintained by the 757th Aircraft Maintenance Squadron, 57th Wing, Nellis Air Force Base, Nevada.