Here, posted by A&E9/11″Truth”:

https://www.youtube.com/watch?v=zRpCwKRnL1M

You can see the top left corner move towards the camera location immediately before accelerating descent. You can also see windows going dark, in contradiction of the UAF report’s claim – “Such differential movements in the exterior would be extremely likely to have caused window breakage, cracking of the façade, and exterior deformation, none of which were observed”