Cut NR (nose ribs) 1-3 for front spar.Drill holes for fuel lines through nose ribs 1-3.Set RR 1-9 on Front spar pilot holes. (RR #7 w/Bellcrank support is complete)RR 1-4"L" reinforcement for walkway and locker.Drill pilot holes in RR 1-4 for support "L"'s.