Rivet upper longerons to top of landing gear box and engine mount brackets. Installed nutplates to 870b 864c 865b. Back rivet angles to front side skins. Installed fuel pump bracket and fuel filter bracket to fuselage floor. Applied tank sealant to firewall flange and installed foreward side skins in place with all related parts. Installed blind rivets in mid side skins at bottom of center section.
