Riveted the side left forward side skin to fuselage substructure with the exception of the lower longerons, the upper longerons (except for the keeper rivets that will go under the top skin, and bottom four holes near the bottom of the Center Section. Riveting the AN4264 rivets inside of the gear box was a major pain when you are doing it without a riveting partner. Got the left side done without having to drill out many rivets. Whew
