[kfrimr]

Rick, I have an air hitch pin box, Could be vibrations but I think it is a design flaw.

Janice and Barry, I am thinking that you may be onto something. because the head part of the bed, ie; the part in the slide part, was the first to come apart and fall so that there was almost 1/2 inch between the angle piece and the plywood that it was to be attached to. So the Idea that there is to be a slide or spacer seens like that missing part. But it is not coming out on the outside, at least it hasn't come through like your pictures show. I could see nothing from the outside, it looked normal. Only under the bed were screws loose. Is there a space under you bed slide on the carpet? it seems that on mine there is a one inch plywood that slides directly on the carpet.
Thanks for your helpfulness,
Kent