Brief Description: Match drill and deburr tailcone attach
32-4, Steps 4, 5, 6, 7, & 8
Match-drill #40 the six holes in the F-1070-L Middle Side Skin (aft of the bottom edge of the baggage door cut-out) into the F-1073-L Tailcone Side Skin. Drill perpendicular to the skin since these holes are common to the preexisting holes in the F-1023-L Baggage Floor Angle and the F-10100A Baggage Door Shim. Machine countersink these six holes in the middle side skin for the heads of AN426AD3 rivets.
Final-Drill #40 the holes along the angled edge of the baggage door cut-out common to the F-1073-L Middle Side Skin and F-1073-L Tailcone Side Skin. Final-Drill #40 the holes common to all of the skins and the F-1006A, B, C, and D. Match Drill #40 the row of holes along the aft edge of the F-1077 Middle Bottom Skin into the F-1078 Tailcone Forward Bottom Skin.
Remove the F-1074 Tailcone Forward Top Skin. Machine countersink the holes in the F-107D-L and -R Middle Side Skins and the F-1046-L and -R Middle Fuselage Longerons.