Finished riveting the lower portion of the aft bulkheads to the aft bottom skin. COuld not reach the baggage ribs by myself so I was at a standstill Had Deana help me turn the fuselage upside down on the saw horses and now to find someone willing to help rivet Had no one to help at the time so while I had the fuselage upsidedown, I started with the landing gear work Final drilled 7/16 and 1/4 inch holes in the F813 weldment Match drilled the 7/16 holes in U804 gear attach brackets using U801 hole as pattern per plans Match drilled the 7/16 holes in in U806 inboard wear plates using U804 gear attach bracket as pattern per plans Temporarily fastened U801 gear leg, U804 gear attach brackets and U805, and U806 wear plates with AN7-21A bolts Rigged up plumb lines to gear legs and one in the 812 aft bulkhead tooling hole and prepared to measure -;