Mixed up some tank sealant and placed a blob portion at the aft end ofF836 floor ribs per plans Riveted the #40 rivets in floor ribs with four of the MK-319 BS rivets in two holes in aft end of florr ribs and rivete the remaninder #40 holes in F850 forward bottom skin. Clecoed forward crossmember to the forward edge of F850 skin, curled it up slightly and set the rivets in the forward edge of F850 bottom skin to forward crossmember. Clecoed forward crossmember to F822 floor and intercostal ribs Will have to get a helper to set the #30 in outboard edges
