Complete manual 06-05 steps 5 through 8. Rivet VS-1212A-L & R spar caps to VS-1203 rear vert stab spar. Step 5 Rivet VS1207 and VS-1208 to rear vert stab spar. Step 6 Rivet VS1206 to rear vert stab spar. Step 7 Rivet VS1205 to rear vert stab spar. Step 8