Worked 11hrs on Oct 4,5,6 on spars assembly. Not very complicated....just measure, drill holes and install parts according to plan. Pay attention to the flap bellcranks, on right wing it goes on the inboard side of hinge and on left wing it goes outboard side of the hinge.
four spars assembly
wing attachment plates and doubler
jury strut attachment and flap hinge with bellcrank