Originally Posted by
MemberBerry
I agree, they could misidentify the malfunctioning system, but if the F/O kept his hand on the cutout switch after reenabling the wrong system, they could immediately disable trim again at the first sign of a runaway.
I just need to point out that the ET302 FO could have done this when they restored power to the trim system, but he did not. That particular piece is a training issue, not a design issue.