Riveted the Seat rail assemblies together and riveted the nutplates to them,Bolted and clecoed the Seat Rail support assemblies and the L&R center section bulkheads to the Center section spar. Torqued all bolts, then riveted all of the assemblies to the Center Section carrythtough.
Riveted together seat rail supports
Parts bolted & clecoed to Fwd mid bolkhead
Riveted the Bulkheads and the seat rails to the bulkhead