Riveted the elevator closed. Riveted top and bottom and back center bracket onto elevator. Did a demo video of riveting, but rivet gun was angled badly. So it's a nice video of how to NOT rivet. Decided to drill out, caused hole problems. Was going to do a doubler, but decided not to in the end. A5 seems okay. Would have been better to leave it not seated perfectly. Made note to check this out often during inspections. Will replace if any issue shows up. But it is not a high stress point and nothing will happen if it fails in flight (which it won't). One of 3 minor drilling mistakes on the elevator. And, as usual, it was done in haste not taking enough time to think about what I was doing (that is ALWAYS the root cause of errors so far).