Riveted together all six seat rail supports and installed nutplates. Installed all remaining section 25 nutplates. Clecoed the mid seat rail supports and the F-1004C L+R bulkheads to center section. Installed bolts and screws per plans and torqued same. Riveted the F-1004N stiffeners in place.
Re-assembled aft center section with seat rail supports, hat stiffeners, bulkheads and the upright bars.
