Yes, mine leaked all the way across the bed. Found the white tape that seals the slide roof all the way across, was all loose. Also the slide awning was 2" short on both ends. Mobile tech replaced awning and tape. All has been well since.
If your backing in on the left side, pull as far to the left as you can before you back in; if your backing in on the right pull as far to the right as you can. Gives you the whole street/road to maneuver.