16 December 2009
Drilling tank

2.0 hours

Drilling inboard T-912 bracket
Drilling inboard T-912 bracket (Full size)

I drilled all the T-912 brackets to the spar. I also deburred the T-911 stiffeners. Next I drilled all tank skin holes. Then removed the tank assembly, drilled out the rivets holding brackets to baffle. Oh, I also drilled the spar attachment holes and splice plate holes to final size


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