Ponch: You've described my experience of a year ago to a "T", exactly same damage. If you have disc brakes check the lines to the calipers as mine were bent a bit. You may want to use some caulking around that galvanized steel sheet above the wheels as water from tires running in the rain may find it's way past that sheet where it tucks over the frame now. Keep the casing to submit to Goodyear for failure diagnosis and reimbursement of repair costs. I didn't even think of that as it was over 100F in the shade and I just bought a new tire (BF Goodrich) to replace the spare and trucked on.
I drove for a little over 5 miles on mine (I-40 through Tulsa) before becoming aware that the tread had departed. It was still inflated to full pressure and more due to the heat. Those tires are a bear to handle with all of those steel belt ends waiting to draw blood!
