All the prep leading up to drilling the flap hinge is done. Prepping the flap brace took a lot of time because it required some trimming and bending to fit. After that it was all the normal edge finishing, deburring rivet holes, etc.
Other things accomplished: prepped outboard bottom right wing skin, trimmed flap hinge, match drilled flap brace to bottom wing skin, mounted everything to be ready to drill flap hinge.
Dimpling outboard bottom skin:
Match drilling flap brace:
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