Originally Posted by M2002
In the Boeing they would probably have pulled both together from the yoke when the other pilot noticed that the PF had difficulties in pulling.
I doubt that as the first action the left seater did when he grabbed the stick was to push on it.
Never he or the captain realized the right seater was maintaining full back stick for a 30 sec period.
They had lost confidence in the FCS to the point to shut down some computers.
When the left hand has no idea what the right one is doing ...