Riveted the ADHRS tray to the mount and rear bulkhead.
Riveted the firewall gussetts to the firewall angle. Riveted the angle clip to the forward fuselage stiffener and then riveted the clip to the firewall angle.
Riveted aft side skins to main longeron at "tack" locations.
Deburred and dimpled the left side skin, then mounted and clecoed it to the fuselage. Clecoed the baggage compartment longeron and arm rest to the skin and to bulkheads. Mounted forward bottom skin.
Deburred and began dimpling of the right side skin.