I had to grind out a few voids on the Wings and winglets that were found in the pre-cover inspection and repaired with UNI glass cloth. A few spots were ground down to the foam so a slurry had to be added first. All the spots on both top wings were fixed and peel-ply added. Sanding will be next and then micro the wings up. This is a very time consuming part of the Airplane construction. I may spend 100 + hours working on the Wings and Canard to primer state.