I read some recent posts about broken screw-heads on new trailers, usually discovered under a propane tank. I looked at the problem area on my five week old 19 and everything looked good. Few days ago (while installing a shunt for battery monitoring) I removed my driver side battery (two 6-v configuration, no front box) and a screw head popped up. The batteries are held in place by two iron angles attached to the chassis with four self-tapping screws. I was also surprised with the amount of rust in the area. My 2015 15B had less rust in this area than this new one, disappointing.