How the MH370 Flaperon Floated

[mralstoner]

Except  that in your post above it os suggested that the flaperon separated from the plane prior to loss. The final resting place of the plane itself would not necessarily be relevant under that assumption.

I've only heard the flaperon "ripping off in mid air" theory discussed as part of the final moments of the plane's descent when running out of fuel. Because of the torsion/force during such an uncontrolled descent, the flaperon flutters and then rips off. So, the flaperon and the plane are still at the same location. There's no reason for a flaperon to fall off under normal flight conditions.

If the flaperon remained attached to the plane when it crashed, they say it would have suffered more damage, especially to the leading edge (which is not damaged, only the trailing/lower edge is damaged which is consistent with flutter stress).