Pilot drilled lower aft wing skin to rear spar and ribs; will wait to mockup leading edge before pilot drilling main spar. Used same process as upper aft wing skin and leveled multiple times throughout process. Still need to drill aileron rib stiffeners in lower skin and make inspection hole cover but will wait until disassembly for deburring. Wing appears to be without twist and square on both sides
Hours Worked: 2.22
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