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.
We're not shooting from the hip here to hurt somebody because it seems expedient and that maybe it appears to be that way,
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.