Start with a utility knife and cut the veneer where you notice air has collected between the base and the thin top layer. Slice down the veneer in one line, only going as far as the bubble's ...
The Family Handyman on MSN7mon
How to Patch Veneer with Quickwood
Then take a putty knife and smooth out the QuikWood so it’s flush with the rest of the veneer. If there’s any putty hanging over the edge of the veneer, cut it off with a razor blade.