It might be as simple as a loose nut on the strut, or something more subtle such as a shrunken, dried-out rubber bushing. First, search online for any Technical Service Bulletins (TSBs ...

The only fix here is a new nut or a Super Glue drop‑fill. So, yes, there is a process to follow in any instrument setup, old or new. Buzz, fret ‘rattle’, whatever you want to call it ...