Another what? Garden variety loss of cabin pressure? That is not really an event, not to be compared with loss of cabin pressure associated with the cabin being penetrated by uncontained engine parts.

I've had three of the former in my 121 career, put the mask on, descend to 10K, take the mask off, start figuring out how much range you have and where to go. The trick is to beat the masks to 14K. The masks will scare the beejezus out of the pax.