I remember a Youtube vid of Nomadic Fanatic going thru a RV salvage yard. Don't recall where and didn't watch the whole vid, but I do recall stacks of ladders. They probably don't bother to tag what they came off of however, which makes it all the more difficult to find one that works.
Charles
'03 Ram 2500 CTD, 5.9HO six speed, PacBrake Exh Brake, std cab, long bed, Leer top and 2008 Bigfoot 25B21RB.. previously (both gone) 2008 Thor/Dutchman Freedom Spirit 180 & 2007 Winnebago View 23H Motorhome.