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Originally Posted by G34U
Is it only one hole per side? and that is it?
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No, there's about 7 per side.
Quote:
Originally Posted by G34U
Does that hole also machine countersunk to accept the head of the rivet as well?
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Yes - An AN426AD3 rivet will be placed in that hole.
Quote:
Originally Posted by G34U
While i have your help I want to ask you one more question. On step 6 it asks you to rivet the nut plates for access plate. Even tough we did not match drill those holes for J-STIFFENERS I thought stiffeners would go first What am I missing.
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The j-stiffeners never attach to the spar so its not necessary to match drill them to the access panels. You just use the spar as a guide to help create the j-stiffeners then you set them aside. The stiffeners end up going in the middle of the wing skin.