Soldered wire to proper end of BNC connectors. Fluted, straightened and edge finished R tank T1-T7 ribs. Fit R tank skin. Match drilled R tank ribs T1-T7 to baffle/attach brackets. Manufactured R tank stiffeners T-711A-D. Clecoed R tank skin to ribs and baffle. Match drilled T-701 skin to W-423 joint plate. Removed tank and match drilled all ribs, stiffeners and baffle.