Reply to John's last post:
John, the loss of T/R drive anecdote that I had heard did not achieve balanced or prolonged controllable flight. From recollection they had to enter a lowish power descent with right turn and I would guesstimate some degree of slip but personally uncertain.......but importantly ....it bought them time so say a few Chinese expletives (ie "ahh F..k") and to make a few decisions and pull off a relatively safe landing/termination with all on board safe as I recall...
I know...growing old ain't for the faint hearted...
Cheers
RG