Yeah, wow! This board's damage looks pretty extensive. Like Jeff said, you'll need to get under that solder mask and asses the integrity of many, many traces. I would expect to have to repair many of them.
On Wed, Feb 10, 2021 at 11:57 AM AvantGuard Systems <[email protected]> wrote: > > The link is to a pic of the backside of the board after cleaning. I was > expecting a greater difference. Should I be concerned? > > https://photos.app.goo.gl/HPoA24GYueEJKucw9
