Primed W-1206L spar W1206K attach angles on both sides of spar. Completed steps 3&4 page 13-02 fitting W-1210B-L left rib doubler into the W-1206K attach angle per Figure 3 and then match drilled first row of holes with 12” #30 drill. Completed step 5 – drilled and tapped 5/8-16 both top and bottom of AEX tie down on W-1206-L spar
