Boeing Co said on Tuesday suspension of final load testing of its new widebody 777X aircraft was due to an issue that involved depressurization of the rear fuselage of the plane. The company said it was conducting a comprehensive root-cause assessment over the coming weeks, but does not expect the issue to have a significant impact on aircraft design or on the overall test program schedule. Media reports said on Saturday a cargo door of the 777X failed in a ground stress test.

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