Aft side skin stiffeners test fitting.
Upper and lower left longerons countersunk.
Cabin heater vent inlet and door assemblies riveted to firewall.
Aft side skin stiffeners partially riveted.
Upper drag fitting, center section side plate, and stiffener riveted to side skin.
Left side skin assembly clecoed to fuselage.
Left side skin assembly clecoed to fuselage.
Left side skin assembly clecoed to fuselage.
