I fixed my front and back walls - HW277 - deformed walls fixed
I repaired my badly deformed front and back walls with 2x4 framing on my 2019 HW277 popup camper. I had posted my experience last October and the wall was out up to an inch displaced from the cabinets.
The wall failed because the wooden structural members that were designed by forest river were just too small - and placed up to 400 lbs of force on a very small 1.25" x 1.25" wood structural member with cutouts for the metal supports. I do have the factory drawings now. Forest River did not consider it a latent defect or warranty issue.
This took quite a few hours and required me to trim all parts of the bathroom enclosure. I also installed new wider corner molding on the camper for a improved waterproofing of the front end exterior.
I believe the solution will be permanent - I will post an update after a few trips. Let me know if you have any questions.