Pratt & Whitney aims by June to complete the investigation into the root cause of the turbine blade crack that temporarily grounded the F-35 Joint Strike Fighter fleet in February. Although the initial probe quickly identified thermal fatigue as the mechanism for the 0.6-in. crack in the third low-pressure turbine stage of an F-35A’s F135 engine, the specific cause of the creep damage remains unknown. While investigators know prolonged flight testing at high speed and low altitude ...

THIS CONTENT REQUIRES SUBSCRIPTION ACCESS

You must be a paid subscriber to access "F-35 Engine Blade Probe Continues".

 

Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to http://awin.aviationweek.com for access.

 

Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.