Pentagon grounds its entire fleet of F35 fighter jets

The US military temporarily grounded its entire fleet of F-35 fighter jets - used in Air Force, the Navy and the Marines - as a precautionary measure after a routine inspection detected a crack on an engine blade.

All F-35 flight operations have been suspended until the investigation is complete, the Pentagon said on Friday.
"It is too early to know the fleet-wide impact of the recent finding," it said, adding 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.
The Pentagon said a routine engine inspection revealed a crack on an engine blade of the F-35 engine installed in F-35A aircraft AF-2 operating at Edwards Air Force Base, California.
Engineering teams are shipping the engine's turbine module and its associated hardware to Pratt & Whitney's Engine Facility in Middletown, Connecticut, to conduct more thorough evaluation and root cause analysis, it said.
The F-35 II is a family of single-seat, single-engine, fifth generation multirole fighters under development to perform ground attack, reconnaissance, and air defense missions with stealth capability.

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