The Pentagon grounded its fleet of F-35 fighter jets after a crack was found in a turbine blade during ground inspections. Pratt & Whitney, the company that manufactures the F-35, stated that the crack was due to excessive heat in the blade caused by operating the engine at high temperature for a prolonged period of time. This was the only engine out of 75 to be affected. The F-35 weapons system is projected to be ready in 2019 at a cost of nearly $400 billion.
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Heat Caused F-35 Engine Blade Crack
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