Quote:
Originally Posted by B767Driver  What caused it? |
A jackscrew gearbox broke that operated the inward most flap. The gearbox broke in such a way that it only affected the one half of the flap panel. The part of the gearbox that fed the flex drive going to the next jackscrew gearbox kept working thus the assymetric retraction of the next two flap panels. The "split flap" protection is only between left and right wing, so the only thing that stoped the chaos was the current limiter blowing.
Jim