Possible Jet Upset?
If bank angle exceeds 45 degrees then Autopilot will disengage.
If bank angle is greater than 125 degrees or
Pitch > 50 Up or 30 down or
AoA > 30 or < 10 or
Speed > 440 kts or < 60Kts or
Mach > 0.91 or < 0.1 ....
then Abnormal Attitude Law is activated which is Alternate Law in Pitch with no protection except load factor protection and no Auto trim and in roll it is full authority direct law with yaw mechanical...
With electrical problems as well....