Riveted A-1206 pivot brackets to right flaperon spar. Riveted A-1207-L and -R actuation brackets to left and right flaperon spars. Clecoed main ribs to right flaperon spar. Riveted all A-1205 main ribs, A-1210 nose ribs, and counterbalance assemblies to both left and right flaperon spars, thereby completing both internal structures.
Shaped A-1202A-L and A-1202B skins to match main ribs. Edges and holes of skins deburred. Skins riveted to ribs as per Step 2, page 18-06. Deburred edges and holes of A-1201C-L nose skin and riveted as per Step3, page 18-06.
