Originally Posted by
oceancrosser
Why would you disconnect the Auto Thottle? That’s not how it is done.
Agreed, you might get THR HOLD though.
As I posted earlier, it appears that they were late slowing to 250 below 10 so there may have been some speedbrake use just before the upset.
Still, the B-763 has been using autothrottles and speedbrake for three decades with few problems that I am aware of.