GJax wrote:
mike brez - it did have a leak at the bath skylight, but has been repaired and re-caulked.
What Mike said has nothing to do with leaks - the edge caulking is an element of the roof assembly that holds it down on the edges. Chances are very good it needs to be redone and if it gets missed it can ruin your day for about $10K in a crosswind.
Winnebago has used the the same design for over 50 years, so it will be the same as in this video.
Winnebago Roof Cove Maintenance. Given the year, as suggested by others, it may be easier to just clean the cove and awning rail and run enterbond tape down the length and call it a day. The main objective is to not let that roof flap come loose from the awning rail. Here is a diagram: