MSGID: 2:292/854 04114211   
   Boeing is experiencing problems testing the new 777X. According to sources, a   
   so-called cargo door was blown out of the hull of a static test aircraft   
   during so-called "final load tests". The test was then interrupted. It may   
   mean a new setback for Boeing.   
       
   The final load tests are standard part of the certification program of a new   
   aircraft type. A static test aircraft is thereby exposed in an experimental   
   set-up to extreme forces on the wings and fuselage. The test took place under   
   the supervision of the aviation authority FAA.   
       
   According to the Seattle Times, the cargo door failed on Thursday during the   
   pressure tests at the Boeing facilities in Everett, where it was blown out. A   
   777X employee who was nearby said that he heard a "loud bang" and that the   
   ground was shaking.   
       
   Boeing admitted in a statement that a problem occurred during the final load   
   test of the 777X, which meant that it had to be discontinued. Boeing   
   emphasizes that the conditions being simulated are much harsher (around 150   
   percent) than a commercial aircraft will ever experience.   
       
   Further investigation must show how the incident could have taken place. It is   
   therefore still unknown whether it will affect the certification program of   
   the 777X. That aircraft is a modernized version of the 777 with new, lighter   
   wings and efficient engines.   
       
   The 777X program is not running according to schedule. Boeing actually wanted   
   to perform the first test flight this summer, but due to problems with the   
   General Electric GE9X engines of the plane, that date has been postponed to   
   early 2020.   
      
   --- D'Bridge 3.99   
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