Assuming no damage,
...it is also possible that the rim has an extrusion defect that results in a loose spoke at the hole - when trueness is given priority over tension for that wheel.
It's very common with entry level rims intended for factory assembled bikes.
If that's the case, you can have the wheel re-worked with priority given to tension - or replace rim.
=8-)
__________________
5000+ wheels built since 1984...
Disclaimer:
1. I do not claim to be an expert in bicycle mechanics despite my experience.
2. I like anyone will comment in other areas.
3. I do not own the preexisting concepts of DISH and ERD.
4. I will provide information as I always have to others that I believe will help them protect themselves from unscrupulous mechanics.
5. My all time favorite book is:
Kahane, Howard. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life