Finished deburring and fluting the forward wing ribs. Ensured we had all the ribs we needed and clecoed them into place. Made sure that we had attached all the ribs on the proper side of the attach angles. Began riveting the ribs from outboard to inboard. Realized we were missing one nut plate on two of the inboard ribs, attached nutplate. Finished riveting ribs on, realized there was an issue with some rib warping after clecoing the forward stub spar on. fixed and riveted spar on. Began work on AOA and Stall Warning