Officials release F-15E mishap report Published Dec. 17, 2002 LANGLEY AIR FORCE BASE, Va. (AFPN) -- Engine valve failure and the use of an incorrect instrument during a maintenance inspection were the primary causes of an F-15E Strike Eagle mishap at Eglin Air Force Base, Fla., July 3, according to a report released by Air Combat Command Dec. 17.The F-15E was on a weapons test mission carrying two 2,000-pound inert bombs when a structural failure of the low-pressure turbine blades in one of the aircraft's two engines caused it to fail. The aircraft landed without further incident. The failure resulted in engine damage costing approximately $1.7 million. (Courtesy ACC News Service)