Sammy Tin Discusses the Southwest Airlines Engine Blast with ABC 7 Chicago
“They believe the crack started at the base of the fan blade, the blade that sits in front of the engine,� says Sammy Tin. “So every time you turn on the engine it cycles . . . during that spinning, there’s a mechanical load that acts on the fan blade. And each time it’s loaded and unloaded, there may be potential for a crack to start and continue growing.� .