Clecoed J stiffeners, wing walk doublers, inboard and outboard skins in place. Final drilled all common holes with#40 drill. Final drilled #19 for nutplates on inboard edge of top skin. Dimpled aft most screw hole for # 8 screw dimple then countersunk remaing #19 holes for #8 screw dimples. Countersunk all holes that corresponded to wing walk doublers for #3 rivet head.
