Laid out rivets and drilled holes for trailing edge skin deburred, cleaned primed. Worked on nose skin by fitting it in place and making measurements and clamped in place. Laid out rivet lines and drilled rivet holes, Deburred cleaned and primed nose skin. Installed trailing edge skin holding in place with clecos and riveted. Installed nose skin and clecoed in place and riveted. Placed wing tip in place and mark screw holes and trim line. Removed and trimed to size. Drilled screw holes for nut plates and rivet nut in place.