Pg. 21-2 Step 8: Riveted the Rear Spar Receptical Supports and Recepticals to the F-1206A Bulkhead. Step 10: Dimpled the holes for the center nutplates on the top flange of the F-1206A Bulkhead. Step 11: Dimpled the nutplates for the corresponding locations. Step 12: Dimpled the nutplates and corresponding holes for the F-1206G-L&R Baggage Ribs. Step 13: Riveted the nutplates fo these Baggage Ribs. Step 14: Riveted together the Bearing Bracket Assemblies using flush rivets after machine countersinking the holes on one side of each bracket. Pg. 21-3 Step 7: Riveted the Bearing Bracket Brace to the F-1206A Bulkhead. Step 8: Riveted the Bearing Bracket Brace to the F-1206G-L&R Baggage Ribs and Bearing Bracket Assys. Step 9: Separated the Pully Brackets and Deburred. Step 10: Riveted Pully Brackets to the Fwd and Aft Intercostals. Pg. 21-4 Step 1: Separated the Flaperon Mixer Arm and deburred. Step 6: Separated the four sets of Seat Belt Attach Lugs and Seat Belt Attach Lug Supports. Deburred the parts.