Made 2 stiffener angles, match drilled to Fwd Center section bulkhead/spar. Cleco mid seat rail supports together and match |
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drill, Then cleco to Center section bulkhead, and match drill.Cleco the left and right Bulkheads to the center section and match |
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drill all #30, match drill #12 all common an 3 bolt holes between clecoed parts, countersink nutplate holes on all parts. |
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