An improperly crimped fluid line was the probable cause of a propulsion-system leak that led the Pentagon to suspend flight tests of the F-35 fighter's Marine Corps version according to the Pentagon. A Pentagon spokesperson stressed there were no design or maintenance issues involved, but the grounding remains in place for now. Additionally, an audit of quality control records has identified six additional non-compliant units that have been removed from the aircraft and returned to Pratt & Whitney for replacement. The Marine Corps F-35 was the only version affected by the faulty parts. A Pratt & Whitney spokesperson said flights should be able to resume once the parts are replaced. (Image Credit: USN)
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