Originally Posted by
RAT 5
Dangerous, but I'm going to make some assumptions. Engine failure, yaw, roll, autopilot tries to keep wings level with ailerons and control column goes to full scale PDQ. No doubt there was quite a bang. Autopilot lets go and a/c rolls. That would happen in only a few seconds. The startle factor must have been severe.
I suspect also, as alluded to by Gums, that the effect on L/D of the nose cowl being shredded and subsequently departing was a significant factor contributing to the degree of uncommanded roll, compared to an everyday engine failure.