Q: Scam phone call about need for Apple repair?

More than likely. If you did not contact Apple requesting a callback for a problem, then ignore. Just hang up.

Impossible to say with absolute certainty with the information provided but it certain sounds like it is.

If you do a web search for the number you will see many scam reports.  It's often a good way to check.

https://www.google.com/#q=941-845-9119

good point, Limnos... as easy as putting any number in a Goggle search - is an unsung feature of which many are unaware