Edwards Air Force Base

Heat, Not Fatigue, Blamed For Cracked Fighter Jet Engine BladeHeat was the cause of a cracked blade in an engine on an F-35 fighter jet that prompted the entire fleet to be briefly grounded last month, manufacturer Pratt & Whitney said Wednesday.
Engine Crack Grounds Pentagon F-35s; Pratt Is EvaluatingA jet engine turbine is being shipped from Edwards Air Force Base in California to Middletown, so Pratt and Whitney can evaluate the cause of a crack in an Air Force F-35 fighter engine for the discovered on Tuesday.
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