I think you can return them. Lippert sent mine for free. I think I will have it welded too. Unless I can get it fixed at the rally...
I bought these slide pads
https://smile.amazon.com/dp/B079CT1N...roduct_details and they worked well for our trip to Morryde for IS last week. The pair was so long I cut them in half, rounded the cut ends and removed some of the 1/2" pad and bent down the edges - we use one on each end of each slide and it has solved our skipping for the time being. Here is photo of the modified slides: