Originally Posted by
ManaAdaSystem
Have you tried this in the air? A friend of mine had a trim failure in the air. He found manual trim so hard he though he had a jammed stabilizer and ended up with a FL15 landing at nearest suitable airport.
I have used the Boeing manual trim system twice in the air. It’s a non event. You land at the flap setting specified in the QRH. Generally it is less than full to avoid large trim changes in the event of a go around.