The main ribs were clecoed and riveted to the right spar assembly as follows from outboard to inboard: 1 fwd-trimmed W-1210-L 1 flaperon hinge match-drilled W-1210-L. 3 fwd-trimmed W-1210-L. 1 untrimmed W-1210-L. 1 flaperon hinge match-drilled W-1210-L. 5 fwd-trimmed W-1210-L. 1 W-1210-R with the W-1210B-R doubler.
The right rear spar assembly was clecoed to the aft flanges of the main ribs, two holes were match-drilled #30 into the most inboard W-1210-R, after deburring, the whole right rear spar assembly was riveted to the aft flanges of the main ribs.
