Originally Posted by
FlightDetent
So at 6) It's engine restart, APU start, ... computer reboot, system reset using the normal control such as stuck PTT. My take it's the moment you want to take a breat before kind of "committing" to the failure as originally displayed.
Strictly speaking APU start is not an additional procedure at that stage, as its use is mentioned as a note at the end of the ENG SHUTDOWN procedure, and it is not mandatory (but definitely desirable).
It should hence be started upon completion of ECAM actions.