Finally had the time to pull it and play with it. Seems the little wire that guides the slide into the locked position had somehow wiggled loose and was not guiding it any longer. Played with it a bit and it now works. Retracts a little faster than I would like, but it is retracting where it did not before. I must say, it is a PIA undoing all those stupid screws and moving the entire console just to remove the top. Also the side panels always lose a leg or two while removing. It is made of some cheap ($200) fiberboard that tends to be less strong than the metal clips that hold it in. Once it is reassembled, nobody can tell it is missing one or two mounting fins.