Any luck with this yet? I remember the door worked when we first got the 40, 4 years ago. I think the rotting rear sill messed up the structural integrity and when hitting bumps with the weight of the rear tire, it may have bent stuff internally? Stopped working about 2 years ago if I remember correctly. Took the rear tire off the moment I noticed the issue and could never get it to free up since. Wish you the best with it all. So cool to see all you have done!I almost fogot to mention. One of my spare tire mount hinges is frozen. does anybody have any tips on getting it free? I took the castle nut off and put some heat to it but no luck. right now its soaking in some diesel to see if it will soak in and get it free.