-Drilled the right tip for the end rib -Deburred the end rib -Scuffed and cleaned the end rib -Primed the end rib -C/S the tip for flush rivets where the end rib will go (just used the deburring tool) -Trimmed the end rib around the nutplates that will attach the wing tip to the wing -Riveted the end ribs to the wing tips (l and r)