Time to rivet the skins to the spar and the skins to the counterbalance box. This went well. Although I forgot the top 3 (on each side) of the top of the spar before I blind riveted the top rib on. Grrr this rudder has been a total pain in the a$$ from the start, I will be happy when its over. After consulting with tech and double checking with them, they best plan was to drill out the LP4-3 and rivet those missing rivets . They were pretty tricky to get to to buck since I only have the 3” yoke, but came out very well. Time to rivet this thing up and be done with this part. On too the trailing edge riveting…… ohhhhhh boy I'm sure that will be a joy.