Why do my AirPods only work in the right ear?
I’ve aleays just been hearing from right earphone when I use earphones
[Re-Titled by Moderator]
We will need more information if we are to help you. Which AirPods do you have? How long have you had them? Did you buy them new from an Apple Store? Did the other one ever work? If they are old enough to be out of warranty, you can replace just the one that is not working.
AirPods Replacement, Repair, and Service - Apple Support