Section 28, FWD FUSELAGE RIBS, BHDS, BOTTOM SKINS … Page 28-12, steps 1 to 2. Step1, I riveted the Fwd Fuselage Bulkheads to the F-1072 Fwd Fuse Bottom Skins as shown in figure 1. Step 2, Riveted the Fwd Fuse Floor Ribs to the F-1043A-R/L to the F-1049A-R/L. Time about 1 hour.
Riveted the Fwd Fuselage Bulkheads to the Fwd Fuse Floor Ribs