Finished riveting right leading edge. Everything went fine, but while riveting the inboard most rib, I dropped the tungsten bucking bar inside the leading egde from about 4 inches above the bottom, and it made a couple of dents. Bummer, but oh well, another mark to identify my aircraft someday if someone steals it! : ) Then I countersunk about half of the holes in the forward spar. I got the ones that I needed to get to mount the leading edge, then I wiped the alodine pen over those holes.