WHAT if Direct Law ?
If Direct Law rules after AP disconnect, the worst case scenario is the PF is still full back stick when the CPT is back, but the THS is still at 3 degrees, so the stall is not that developed and the stall warning keeps warning ...
Captain, what do you think now ?
I think we're in a stall. Sure I could guess better if I could see you are pulling like mad on your controls ...