2021 KEYSTONE FUZION Unknown Or Other Problems

3/24 Fuzion 5th wh annual warranty inspection was completed. 4/24 bedroom slide out frame came loose from slide while in TX. we were able to make temp repairs & returning home contacted manufacturer regarding what we thought was structural issue. Keystone denied coverage, scheduled out of pocket repair with local dealer. Dealer quoted estimate, we delivered unit, they failed to even start repairs after 2 wks as promised. so far the temp repair was holding, but contacted Keystone to schedule them to repair. They were booked for months but referred us to Affinity RV in Goshen IN. Last week we delivered the unit for repair , they discovered flex frame damage outside & inside the unit. Affinity indicated many other units with same issues and would contact Keystone to cover the repairs - removing front cap, rewelding the cracks in frame and reinforcing the structure of the slide out &...