What i mean is the rust doesn't appear to have penetrated into the inside wall. After I cut out this panel we will see. The is definitely rust inside this cavity and I have to make sure mud, water can drain from here with this fix. Sorry this is a work in progress.
Inside is good, no rust. I will be using a cutoff wheel on my angle grinder to cut out the sections back to good metal. I will then tack new metal patch metal in place. I was considering mods to allow water to drain and avoid future recurrence.
72 FJ40 rocker panel rust through on both sides. I can replace entire section or just cut out and patch. Are there drain holes to prevent future rust? Thinking of perforated aluminum panel or similar. Thoughts?