2016 LANCE 1995 Unknown Or Other Problems

This 2016 Lance model 1995 travel trailer which I purchased new developed frame sag, which appears to have been fairly common in the 2016 model based upon a query of the Lance Owner's Association. The sag progressed to the point where the occupancy door of the trailer was very difficult to open unless a scissor jack (not part of the trailer equipment) was placed under the rear frame to temporarily correct this each time the trailer was parked. My concern is that anyone cooking inside the trailer with a resultant fire may not be able to leave the trailer in time to save their lives. I have contacted the Lance Corp. and they will not admit that this problem exists in the 2016 model year, nor offer any solutions to the problem. At the same time, the trailer frame was changed during the 2017 year after only being utilized for...