Section 21 Deburred F-1215-L&R Seat Ribs (Rework) for outbd L&R Seat Rib Assys. Pg. 21-04 (Rework) Step 7: Removed verticle strips from ribs. Step 8: Clecoed the Seat Ribs, Seat Belt Attach Lugs and Supports together. Step 9: Final drilled #30 the common holes and riveted the parts together. Pg. 21-07 Step 6: Riveted the Seat Floor to the Lt. Seat Rib Assy. and Flaperon Mixer Bracket/Seat Rib Assy. Step 7: Dimpled and riveted the nutplates to the Flaperon Mixer Bracket / Seat Rib Assy. and to the Seat floor. Step 8: Riveted the Lt. Seat Floor Support to the bottom of the Seat Floor. Step 9: Install the SB-625-8 Snap Bushings into the ribs. Pg. 21-8 Step 1: Riveted the Seat Floor to the Rt. Seat Rib Assy. and Pully Bracket Assy. / Seat Rib Assy. Step 2: Dimpled and riveted the nutplates to the Pully Bracket Assy / Seat Rib Assy. Step 3: Riveted the Rt. Seat Floor Support to the bottom of the Seat Floor. Step 4: Installed the SB-625-8 Snap Bushings into the ribs.
