Rivet second flange of Rear Spar to Bottom Skin, Left Side Rivet second flange of Rear Spar to Top Skin, Right Side Rivet Rib Halves together with Blind Rivets Cleco Front Spar Assemblies to Ribs and Skins Rivet Front Spar to forward Rib Flanges Rivet Skins to Front Spars except to leave access for riveting Tip Ribs and Gussets Rivet aft flange of Root Ribs to Rear Spars Rivet Gussets to Root Rib Finish Riveting Skins to flanges of Root Ribs and Front Spar Cleco Tip Rib Assembly to Elevator and Shear Clip Rivet Tip Rib Ass. to Front Spars Rivet Top Skins Front Spars Rivet CounterBalance Skin to Top Skin and the flange of Out Board Tip Rib Repeat above step for Bottom skin on other half of elevator