Riveted the right and left F857 Seat Belt brackets together and clecoed them to the lower longerons, along with the F857C-1 angle. Clecoed the lower and mid longerons to the aft side skins Clecoed the F808 bulkhead in place Clecoed the F809 and F810 bulkheads in place Final drilled to #30 the F808 bulkead to baggage ribs aft flange