Fit the gussets that attach to the 706, and 707 bulkheads. Install the J-stringers. Cleco and drill the top aft skin to fuselage. Cleco the 787 stiffner to the 706, and 707 bulkheads. Cleco the 7112 top skin to the fuselage, and drill. Fabricate the F-707B clip, and clamped and drilled it to the 707 bulkhead, and the 787 stiffner.
