Pg. 24-05 Step 4: Installed the snap bushings in the F-1207D-L Baggage Bulkhead Channel. Step 5: Clecoed and riveted the F-1232A Roll Bar Brace to the F-1232B-L&R Roll Bar Brace Brackets. Clecoed the assembly to the Roll Bar Assy and Baggage Bulkhead. Machine countersunk the holes in the upper side of the Roll Bar Brace. Step 6: Clecoed and riveted the F-1207K Brace Angle to the Rt Baggage Bulkhead.