(Affects RV-12 Wing Kits shipped between Jan 1, 2010 and April 26, 2010.) Possible cracks on stiffener beads
On their site at: http://www.vansaircraft.com/pdf/sb10-4-28.pdf
Screencapture below:
On their site at: http://www.vansaircraft.com/pdf/sb10-4-28.pdf
Screencapture below:
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