Interactive parts catalog here to get a close look at things:
https://catalog.winnebagoind.com/menu/Parts.htm
First is this the TV and locations as there are two different build dates for your RV?
Click these snips to get better view!
Correct location?
If correct, I see it as metal plate (blue) screwed/bolted to TV.
I would guess the blue is attached to TV, then hung with angle at top to a metal bracket on the wall.
Bottom then pushed in and screwed/bolted blue plate to wall bracket at bottom.
I through in a couple other view for more ideas of what they show!
Finding the right size/length and type to remove the attachments at the bottom may be the secret?
Good luck on the search. No experience with that TV but just theory of what seems to happen!
__________________
Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!