Pg. 17-3 Step 5: Clecoed and riveted the Outbd Upper Wing Skin to the skeleton for both wings. Primed the skin surface under the Wing Walk Doubler for both wings.
Pg. 17-4 Step 1: Clecoed and riveted the Mid Upper Wing Skins to the skeleton for both wings. Step 2: Dimpled the three inbd holes in the Wing Walk Doubler for both wings.