[Tallguy]

A lot of that stuff is deeply hidden and it’s depot level maintenance where the non-destructive maintenance takes place, like X-Ray or Magnaflux tests looking for micro-cracks in the wing box and wing spars. That failure over St. Louis was extraordinary.

[Zhang Fei]

[A lot of that stuff is deeply hidden and it’s depot level maintenance where the non-destructive maintenance takes place, like X-Ray or Magnaflux tests looking for micro-cracks in the wing box and wing spars. That failure over St. Louis was extraordinary.]

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After looking up the event, I’m amazed the pilot survived.