Rivet W18-01L Left Forward Wing Skin to W15-01 thru -04, -05 x 8 Forward Rib with flush rivets. W07-01l Left Wing Box is ready to move to the storage rack, with the following work remaining: - Install flap and aileron hinges - Install and wire nav lights - Install and wire landing lights - Install wing tips - Trim W20-01L Left Wing Walk & Root Doubler & rivet.