[Husker24]

Maybe one of the thrust reversers suddenly engaged.

[anniegetyourgun]

Hey, you're guess is good as the next guys! As for me, I think I'll wait for the final report.

[Rokke]

That is my personal theory. Note: I emphasis theory, and will wait patiently for the NTSB report which will immediately be dismissed as LIES by the entire tinfoil crowd regardless of what it says.