I didn't notice until I got home from picking up my new Dynamax Isata5 that one of the bottom Kitchen/Living Area slide tracks was bowing real bad when open. The upper track above it is straight and the tracks on the other end are straight. To straighten the track and remove the tension it requires closing the slide at least 4" and then the room is not sealed from leaks. I checked to make sure the slideout was out the same dimension on each end and it was.
I think if I shifted the track one or two teeth to the inside it would cure the problem but maybe not.