Same problem, they only can take so many lbs...and you don't know who was there before you... [emoji1] I did 2 things, checked and replaced bolts, since the butt cap is fiber glass, look up under there and check the big piece of wood the bolt is screwed into. Usually a block fiberglassed onto the cap. Consider adding a brace bar between chassis and block. A square hollow aluminum bar is cheap at HD and better than cracking the fiberglass. Those ladders are stupid expensive new.
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