I would think the best possible mounting location would be directly below the left side of the kitchen window. Seeing how Forest River frames the trailers, you would likely be anchoring the TV mount to the aluminum stud.
Just my thoughts...I'm not an expert.
2017 Forest River Surveyor 247BHDS...
...Tugged by a 2016 F250 XLT FX4 SuperCrew, Shortbed 6.2L, 4wd, 3.73...
...Joined with a Husky Centerline TS 800-1200lbs WDH