Completed steps 1 page 23-04. Cut apart then deburred and primedr the F-1203H-L and -R Arm Rest Brackets per Figure 1. Completed step 2 - Riveted the F-1203H-L Arm Rest Bracket to the F-1203G-L Bulkhead Side Channel as shown in Figure 2. Repeated this step for the right side of the aircraft. Completed step 4 - Removed the tab from the notch in the F-1248-L & -R Arm Rests that is for the F-1203G-L & -R Bulkhead Side Channels