I just went through the same issue with my 2011 Crossroads Seville. Crossroads when they finally responded we're quite helpful and supplied construction drawings to help me identify where the aluminum cage was. They reviewed my photos and recommended the fix. I also contact Lippert / LCI and they were quite helpful and supplied the lift test for the pin box and in turn determined that I did not have the pin box issue (yet). I put the expansion moulding in and need to road test the rig to be sure. There is lots of stuff on LCI frame flex on the internet and the "Goriila aluminum cage break away issue" You have to separate fact from fiction. True - the fifth wheel with the gooseneck hitch is not a good example - just think of the stress multiplier created by the gooseneck. The article on the aluminum cage weld breaks may apply to your case. Either way do some more testing and investigation before you tear it apart. Feel free to contact me or check my posts. Cheers
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