I have the upper wing lifted at the proper height. Using some twine as a test to see how close sway wires would come to the box spar in the upper wing center section.
My test shows that the sway wire cable will be touching the box spar. Can I notch that area of the box spar to clear it?
My test shows that the sway wire cable will be touching the box spar. Can I notch that area of the box spar to clear it?