October 14, 2015 – I started prepping the top skins for installation.

I removed the blue film on the rivet lines, and completely on the interiors.


I deburred the edges and the holes, and scuffed the interior surfaces to prep for paint. Then I dimpled…


I also had to dimple the j-stringers, and I countersunk the reinforcing plate that goes under the skin at the forward end.

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Time: 2:40


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