Pratt & Whitney checks F-35 JSF engine after test anomaly

Source URL: http://www.flightglobal.com/articles/2007/09/11/216723/pratt.html
Posted at: http://www.air-attack/com/news/news_article/2697

Pratt & Whitney is inspecting an F135 test engine after it automatically shut down following a stall indication during ground testing for the short take-off and vertical landing variant of the Lockheed Martin F-35 Joint Strike Fighter.

The incident occurred on 30 August on a test stand at P&W's West Palm Beach, Florida facility, where the company is working towards initial flight release of the STOVL F135 to support the planned May 2008 first flight of the F-35B.

P&W says the F135 was "completing a control model validation qualification test in powered-lift mode...when it automatically powered down based on a stall indication".

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