I drive a 2007 Damon Astoria and had the same problem. It wasn't until I observed it from a step ladder while my wife operated the slide did I realize that the problem was a worn bushing in the end of the awning tube which allowed the awning to rub on the slide on the way out, when it is under most tension. There was no problem on the way in. Problem solved with installation of a new part available from A&E.