I wonder if the OP has had the RV since new? We bought a used diesel pusher with 17,000 miles and had a front left blow out on our first trip. No damage. The tires were Michelins. According to tire people who I spoke with, the fact that the tires were properly inflated at the time of the blowout didn't matter, because there was no way to know if the previous owner had run the tire(s) with low air pressure, causing damage. Replaced all tires (and bought a spare) with Goodyears and the new tires had a higher load carrying capacity.
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