Whew! After a few more hours, the deburring nighmare was over. ZP was applied to all rivet lines. The rear skins, trailing edge, leading edge skins, strut doubler/stiffener, strut pick-up, and L angle flap bracket stiffeners were reassembled with clecos. A riveting frenzy began. See the picture of my nice new lower left wing! Tommorrow, with some help, I'll flip it over and start on the tanks.