Originally Posted by
vilas
With transfer to FO Using VHF2 with right loud speaker high will keep both pilots in the loop. Deployment of RAT will switch the AC Essential supply irrevocably to emergency generator. May not be a good idea to device non recommended procedure only to recover spoiler3.
Deploying the RAT using the control on the hydraulic panel should provide hydraulic power only (I'm not on A320 any more so worth checking in FCOM).
I'm firmly on the "if Airbus wanted you to do it, they'd tell you" side of things.