Unfortunately.... this kind of stuff happens.... and more often than not. I've learned to expect it, deal with it and then put it behind me.
I just purchased my second new MH a couple months ago. I found the kitchen sink leaking during the PDI. Dealer said they fixed it before I left but their repair actually made it happen again. When I found it leaking at home I fixed it and have had no issues with it since.
Fix what you can and then start keeping a Warranty Punch List of items that you can't fix or will cost money to fix.
I have found Thor Customer Service to be excellent. They have sent me new parts under warranty to fix items myself and even have reimbursed me for warranty repairs.
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