All F-35s have been grounded as a precaution after a routine engine inspection revealed a crack on an engine blade, Defense Department officials said Feb. 22 here.
Inspectors found the crack in an F135 engine installed in an F-35A Lightning II at Edwards Air Force Base, Calif. This is the conventional take-off and landing version of the joint strike fighter.
Officials are shipping the engine and its associated hardware to Pratt & Whitney’s engine facility in Middletown, Conn., to conduct more thorough evaluation and root cause analysis.
Officials said the grounding is precautionary. All F-35 flight operations have been suspended until the investigation is complete, officials said, and it is too early to know the fleetwide impact.
“The F-35 Joint Program Office is working closely with Pratt & Whitney and Lockheed Martin at all F-35 locations to ensure the integrity of the engine, and to return the fleet safely to flight as soon as possible,” a Defense Department news release said.
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