Military - U.S. Air Force Tuesday April 13, 1982
Failure of the No.4 engine followed by separation of the engine and propeller of the No.3 engine. Overpressurization of the right wing resulting in an explosion and in-flight fire. A Mayday was received from the aircraft before it fell and crashed into mountainous terrain and burst into flames. Attachment bolts to support the No. 4 engine had not been installed.