Match drilled and deburrd all main skins (top and bottom). Dimpled bottom holes of all ribs. Fabricated right wing fuel tank z brackets, installed nut plates, aligned tank baffle and fit tank skin to wing. Removed tank assembly and match drilled all skin/rib/baffle holes. Fabricated all tank reinforcement strips and deburred. Deburr'd all tank rib holes and edges. Match drilled joining plate to right wing tank skin.