Section 22 Deburred F-1272 Fwd Fuse Skin Pg. 22-02 Step 4: Clekoed, final drilled #30 and riveted the Engine Mount Brackets to the Tunnel Ribs. Step 5: Machine Countersunk the four holes in the fwd flg of the Tunnel Ribs at the location of the CS4-4 rivets. Step 6: Clecoed and riveted the Tunnel Ribs to the Fwd Fuse Skin. Then riveted the Firewall Bottom and Fwd Fuse Corner Skins ot the assy. ( not complete)
