A few years ago we were at a campground north of Spokane, WA having morning coffee and chatting when a DP pulled up to the RV office to hook their toad up and leave the area. Wife drove the rig up, husband hooked it up and they jumped in the coach and began to leave to park. Soon there was the sound of the toads tires squealing on the pavement as they rolled out to hit the highway. I jumped out of our rig and chased them down on foot to let them know. They were thankful.
On our 2016 3 month trip to Alaska we were camped at a park along the Cassiar Hwy and a large 5'er pulled in next to us. I was sitting outside and noticed something hanging from under the rig just inside the right tires. After they began setting up for the night I strolled over and suggested they check the area. Turns out it was the brake line hanging down. Clip had broken, leaving the wiring hanging inches off the road surface. I gave them a large zip tie to hold it up till they found some place to get the bracket fixed or replaced.
After several years of RV'ing I have found that pre departure inspections as well as during rest stops are a must.