Thanks for all the input, folks. And thanks for the warm welcome! Sounds like a likely diagnosis. I'll be reaching out to nearby techs (SF Bay Area) to see if any are familiar with Flys. Will report back when the issue is resolved.

Hello Fly friends!

I've had this '96 Deluxe since uh... '96, been playing more over the last few months. Recently I noticed some fret buzz on the high E/B strings, as in, if I play the 22/23 frets, the 24th fret also sounds a bit. I'm pretty sure this is a new phenomenon. Examining the guitar a bit ...