Rear Fuselage Skeleton
Rear fuselage skeleton has been assembled.
Assembling the rear fuselage skeleton was straightforward, there were some hard to rivet places, but it was managed overall using the hand riveter. Additionally, the rear fuselage floor assembly was used along with the rib assemblies mentioned in the earlier fuselage posts.
Skeleton
The overall rear fuselage skeleton involved the longerons as well as the rib sub-assemblies and the floor sub-assembly. Assembling was straightforward with some hard to reach places. 
Rear fuselage skeleton clecoed, longerons zip tied. 
Rear fuselage skeleton clecoed, longerons zip tied. 
Rear fuselage skeleton clecoed, longerons zip tied. 
Rear fuselage skeleton clecoed, longerons zip tied. 
Rear fuselage skeleton bottom view. 
Rear fuselage floor assembly riveted to the ribs. 
Rear tie down point riveted. 
Rear tie down point riveted.
Step Support
Step support was a little tricky to rivet, mostly because of the hard-to-reach places. 
Bottom parts of the step support clecoed. 
Bottom parts of the step support clecoed. 
BOttom parts of the step support riveted. 
Bottom parts of the step support riveted. 
Bottom parts of the step support riveted, and clecoed. 
Bottom parts of the step support riveted. 
Top parts of the step support clecoed. 
Top parts of the step support riveted. 
Step support transition piece clecoed.
Final Product
Final assembly of the rear fuselage skeleton, including step support.