Clecoed and riveted F-812 bulkhead assembly to F-828-1 aft bottom skin. Riveted F-811 bulkhead assembly to the F-828-1 aft bottom skin. Riveted aft end of tail spring mount with two keeper rivets. Clecoed tail wheel subassembly and F-889 lower longerons to the F-824 aft side skins. Clecoed F-808, 809 and 810 bulkheads in place. Clecoed F-857C seat belt angles. Rivet aft end of F-818 baggage bulkheads to F-808 bulkhead. Clecoed F-842-1 aft bottom skin forward in place.