Step 1, I riveted theF-1044 Forward Fuse Rib Subassembly to the center F-1068A Sub-Panel Center with AN470AD4-4 rivets.
Step 2, I riveted the F-1068-L/R Side Sub-Panels to the F-1045-l/R Fwd Fuselage Rib with both AN470AD4-4 (seven places) and AN470AD4-5 (four places) rivets.
Step 3, Now I riveted the F-1071 Forward Fuselage Top Skin to the just completed Sub-Panel Forward Assembly using the rivets called out for in figure 2.