Re: NASA to Evaluate Airbus Jetliner Tail Assembly . . .
Due to security policies and the nature and sensitivity of this investigation, Langley will not comment on the testing methods and any findings. All questions about the investigation should be directed to the NTSB at 202/314-6100.
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Now why is that? I read this as implying some possible exotic form of sabotage.
-philw (aerospace ignorant and likely wrong)