Riveted the lower skin to spar. Used the squeezer to install solid rivets as much as possible and the CS4-4 pop rivets in all other positions. Riveted the Root rib to the skin and installed the E-907 trim tab spar.
Taking a lot of time reviewing the plans and written instructions because it has been a long time since I have worked on this. Refreshing my memory and getting back in the swing of things.