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 ...


"F-35 Engine Blade Probe Continues" is Premium Content. Subscribing will provide full access to this article as well as the opportunity to access:
-- Critical intelligence on the global aviation, aerospace & defense industries
-- Consolidated, comprehensive coverage of the programs and technologies shaping the industry
-- And much more…

Already registered? here.