Now, if said AP is out, and it is thermic, you need to be aware of the shortcomings of the FBW system that will tend to exaggerate PIO on final. The onset of power by the autothrust should be countered by a sympathetic amount of forward stick as the operative cannot think/act as fast a the AP. Vice Versa for reduction of thrust
Mate, you need to go back on the B757. Get used to using that right hand for what it was designed for.
I'm back, by the way. Squinting Cat before summer starts?