I think it had a problem with the cargo door that led to several crashes.
That problem was fixed - after the Turkish Airline crash in Paris in the 70's. Didn't happen again.
Going to max power would cause a pitch up
Not so much - remember the donkey in the tail.
Let me tell you, the split second I felt the yoke start to vibrate, I went to full power and flew that sucker out of the shaker envelope.
I do about six of these a month, testing them. The stall doesn't scare me. Having a wing engine cough when you bring them up DOES scare me. It happened to a friend of mine - he ended up on his back at 12,000' in an MD-11....