Latest "F-35 Joint Program Office" stories
The March 2020 engine failure led to an investigation into the vibration problem. Neither was immediately disclosed.
Pratt & Whitney says all new F135 engines it is now delivering come with the vibration fix already installed.
The affected F-35s could be back in the air in one to two weeks.
Time is running out to fix the problem and keep F-35 production going, according to Rep. Rob Wittman.
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