Match drilled all tie down platenuts. Countersank spar side of all W-726 spacers. Deburred all. Primed spar side of all tie-downs. Drilled bolt holes for all W-823PP bellcrank brackets. Deburred edges of left and right W-707A rear spar, W-707G reinforcement fork, W-707D doubler plate, W-707E spar center reinforcement and W-707F spar end reinforcement. Clamped, drilled and clecoed W-707E/F reinforcement plates to left and right W-707A rear spar.
