We've seen fatigue. We don't know why that fatigue appeared. That is what we're trying to determine. This crack appears to extend through a majority of the spar at the location of the separation.
The examination of the wing root has found indications of a fatigue crack on the wing spar.
The examination of the wing root has found indications of a fatigue crack in the wing spar. This crack appears to extend through a majority of the spar at the location of the separation.