So I went on the search for rust yesterday and pulled the plastic front wheel well covers. Driver's side looks great... passenger's side, not so much. Here's what I found:

Looking great up towards the battery tray... but you can see the rust on the left above the rubber plug:








My primary concern is that this is a structural area and that a proper cut and weld approach would be best. So what would be the best plan of attack?

Chad300TDT... are you still out there? Your posts on repairs in this area are legendary!