Separated rudder stops, control stop and angles from F-800, and the stab attach bar. Deburred and radiused all. Radiused ends of F-810C-1 and F-811C-1 angles to fit inside of longerons. Drilled and countersunk keeper holes in WD-409 tail spring mount to F-812 bulkhead. Deburred all. Dimpled and countersunk F-812 bulkhead on aft side.