Report: Mechanical malfunction led to Aug. bomber crash

An Air Force report says a mechanical malfunction that started a fuel leak caused the crash of an Ellsworth Air Force Base B-1B bomber during an August training exercise over southeastern Montana. The report released by the Air Combat Command Accident Investigation Board concluded that about 7,000 pounds of fuel leaked into the aircraft and was ignited by hot ductwork, leading to a series of detonations in the plane.

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