Bit the bullet, dug into the doors a tad. Overall they aren’t in too bad a shape, the left (driver’s) is worse than the left of course. Did Jag use galvanized? No? no… no, I didn’t think so. Here’s what I found, right door:
I figure on either replacing this panel in each door, OR, plating each area from the rear and then covering the entire face of the shut panel with a new .063" skin to double up on the strength already in this area.