It would help if you put up some photos and mentioned the conditions it in and some of its history.

Is it only on the old fronds or does it happen with new fronds as well?

So far it’s the new. I just noticed I had it next to a vent. Would that have done anything?

The old fronds tend to be a lot tougher than the new fronds which start out quite delicate. In nurseries the plants get ideal conditions, as in temperature and humidity. Homes are adjusted climatically to suit people which makes it more difficult for plants kept inside. And one of the worst positions in a home is in front of, or near, a vent. If you have plenty of light in the bathroom it might be good to keep it in there for a while and see how new fronds look as they emerge.

Thank you so much! I will also try repotting it see if it’s root bound.

Good luck with it.