Originally Posted by
0ttoL
Video from onboard shows a severe vibration.
That says to me that the engine wasn't shut down.
Why would the crew continue to run an engine with that vibration?
I realise that 2 is better than 1 but the vibration could cause other damage?
The video shows us a vibration that corresponds to about 480 rpm (8 cycles per second).
That sounds more like windmilling than anything else.