Battery Acid Rust
 

hi
https://cimg7.ibsrv.net/gimg/www.maz...013088a7fd.png
, so I got a 2011 S2 recently with quite low mileage, around 30k, the rotary is running completely fine, everything's good about the car. However, I happen to find some rust caused by battery acid leaks, I think the battery was relocated by one of the previous owners which might have caused the issue. Is this rust minor? Minor as in sanding it off and using primer/paint to cover afterwards or should I be concerned? Any sort of information is highly appreciated!

Clean it, treat it, paint it, move on.

I was concerned that after sanding it and painting it again, will it affect the chassis rigidity even slightly due to sanding? or should I just forget about it, I have a tendency to obsess over stuff like these and eventually get tensed

https://cimg4.ibsrv.net/gimg/www.maz...fbec71f23.jpeg
https://cimg7.ibsrv.net/gimg/www.maz...78446a837.jpeg
came across this, seriously worried now