Started on the next bulkhead F-706. Fab to angle F-729 and F-709B angle. Mock up and drill angles to the horizontal rib. Rivet angle to rib. Fab the F-728B angle and drill to the vertical rib. Prime all parts and drill, dimple, rivet the F-710 plate to the bulkhead. Rivet the hoizontal rib to the bulkhead.