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Friday, March 01, 2013

F-35s Resume Flying – ‘Blade Cracked Caused By Stressful Testing’


F-35 Flight will resume soon, following the decision of the Pentagon to end the precautionary grounding of the fleet of 51 Joint Strike Fighters, after the discovery of a cracked engine blade in one of the stealth jets.

The engine manufacturer Pratt & Whitney recommended the resumption of flights and ground operations of the engine earlier on Thursday (February 28, 2013) after its engineers ruled out a high-cycle fatigue crack.

On February 19 Air Force technicians detected a 0.6-inch long crack in one of the turbine blades when performing a routine periodical inspection of the F-135 engine on AF-2 test aircraft operating at Edwards Air Force Base in California.

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