Responded to your PM. Yes, the below floor slides we rarely have issues and are easier to service I think. It's not really our warranty department that handles/authorizes the Lippert stuff, they request/demand to handle their own warranty in most cases.
PLEASE do not send questions via Private Message, my inbox fills up too quickly. Post questions in the forum as a new thread so that other users can benefit from the answers. Use Private Messages for sensitive information only (VIN, Contact info or things you do not want the public to see).