True, but the video shows a near vertical decent and the debris area is small indicating an impact from vertical.
There is a airworthyness directive (is that right) to do with the bellcrank shear rivits form 2014.
There have been a couple other incidents in the past. 2001 there were two where suspected ice interfered with the elevators and this one in 2001.
CNN.com - NTSB investigates 767 elevator problem - March 28, 2001