Took W16-06 aft rib and modified it using template from plans into W16-11 aft root rib. Removed both forward and aft root rib attach angles to insert root ribs then temporarily reattached. Aligned root ribs to wing skin, pilot drilled and clecoed. Holes then transferred from root rib attach angles to root ribs and pilot drilled. Aft-most holes on forward root rib still need to be pilot drilled due to wing attach block in the way.
Hours Worked: 2.38
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