United Flight 232 Research Paper

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On July 19, 1989 United flight 232, a DC-10 aircraft took off from Denver’s Stapleton International Airport on route to Chicago’s O’Hare International Airport. The DC-10 aircraft was manufactured by McDonnell Douglas. It has three General Electric CF6-6 engines, two that were wing mounted and one that was tail mounted. The number two engine, located on the tail, had a pre-existing defect introduced when it was manufactured. It was known as a hard alpha inclusion which causes cracks to form early in the lifetime of the fan disks. However, the cracks were too small to detect by the naked eye and overtime grew to a size large enough to bring the plane down on that fatal day. The fan disks located in the GE CF6-6 engine was initially rated for
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