ErnstBlofeld Posted October 4, 2010 Share Posted October 4, 2010 Flight Global/Stephen Trimble:Lockheed Martin has grounded the F-35 to fix a newly-discovered software problem that can cause a fuel boost pump to shut down in flight.The manufacturer announced the grounding order only a few hours after releasing a statement saying the F-35 was restricted from operating above 10,000ft because of the same problem. The grounding is expected to last at least through "early next week" while Lockheed and fuel boost pump supplier BAE Systems install a fix, which has already been identified, Lockheed says. One of the F-35's three variants could still face flight restrictions even after the grounding order is liftedAll flights in short takeoff and vertical landing mode (STOVL) are also suspended after a post-flight inspection on the BF-1 flight test aircraft detected an "issue" with the auxiliary inlet door hinge located immediately aft of the lift fan. Lockheed is still working to identify the root cause of the auxiliary inlet door hinge issue that has stopped all STOVL-mode tests.The STOVL-capabile F-35B has to complete at least 50 vertical landings to clear the flight envelope to launch a series of shipboard tests scheduled in March 2011. Completing shipboard testing is critical to meeting the USMC's plan to enter service with the F-35B in December 2012. Link to comment Share on other sites More sharing options...
ErnstBlofeld Posted October 4, 2010 Author Share Posted October 4, 2010 Better to fix the problem while in its testing stage. Link to comment Share on other sites More sharing options...
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