I drilled the elevator horns today and screwed up. the directions say to make a hard wood drill block and use the aft most elevator horn hole as a guide to drill the second elevator horn. I drilled the wood block on a drill press to make sure it was square and clamped it in between the horns. After I drilled through the assembly the horns are not in alignment. Any ideas on how to fix this? I am hoping I haven't made a huge mistake.