Thanks innuendo. . .Once you determine that it is a Fuel Leak you`re dealing with, things get easier. But to get there You have to disregard a few ECAM actions that could get you in to the ultimate problem.. .Fuel Press Low, Fuel Imbalance i.e. .Both says to open x-feed, and none refers to Fuel Leak procedure. Of course we DO pull out the QRH and start thinking........... .(Maybe we will see a software change soon with a caution concerning Fuel-"things".)