Thats atrocious...column access port. of course the body filler came off with the cover at the bolts.
So wouldn't it be true to say, even if it was worse (2 tho); Mount some type of mic 6 (stress free cast aluminum w/ ground finish), or similar, top plate and skim cut it to align with the nod. It would then be perfectly true to itself.nod is off half a thou. would you mess with this?