The Murphy Builders Site

The wing skin doubler that goes to the bottom skin, the manual says 4
3/4" and 3 1/2" for the two holes in it. The holes in the LE and main
skin both have 3 1/2" holes in them already. I don't want to open up one
of those holes to 4 3/4" if not needed. The manual says to drill them
but they were already in the skins. So what size holes do the builders
have for these two?
Also, I have the nut plates for the hinges, do I still cut the
inspection holes?
Thanks,
Mike Betti
771 Elite



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