Drilled and riveted the F7109 plate and the F7108B angles to the F7108A Center Forward Fuselage rib. Made F746 engine control bracket, drilled holes for nutplates and riveted on nutplates. Drilled holes to attach bracket to F7105A subpanel. Clecoed on bracket. Fit F7108 rib into the F7105A subpanel. Clecoed in F7107 L&R ribs and F7105B subpanels.