No, I havenít, but when we got this coach I asked the service guy to remove the two mirrors in the back bath. I figured he had an idea how they were secured and I was afraid I would damage them figuring it out. He removed them in perfect condition. Each mirror was secured by 6 screws.
In the frame, (look very closely) see if there is a strip that goes around in the center area on the front of the frame board. Remove that strip to expose the screw heads. My strips were secured by a pin nailer, makes very tiny holes in the wood but you can see them if you look close enough.
2019 Fleetwood Discovery LXE 40M w/2012 CRV toad