Hey there Mike02osu,
Thanks for reaching out to the Apple Support Communities. For help with troubleshooting issues with sound not playing in one side of your AirPods, give the steps below from the following resources a try:
How to reset your AirPods Max - Apple Support
To restart or reset your AirPods Max:
- First, charge them for a few minutes.
- If you're experiencing issues with your AirPods Max, you can restart them. Press and hold the noise control button and the Digital Crown until the LED flashes amber.
- You can also reset AirPods Max to factory settings. Press and hold the noise control button and the Digital Crown for 15 seconds, until the LED flashes amber, then white.
- After you reset your AirPods Max, you can connect them to your iOS or iPadOS device, or connect them to your Mac or other device.
How to reset your AirPods and AirPods Pro - Apple Support
1. Put your AirPods in their charging case, and close the lid.
2. Wait 30 seconds.
3. Open the lid of your charging case, and put your AirPods in your ears.
4. Go to Settings > Bluetooth. Or go to Settings > [your AirPods].
- If your AirPods appear there as connected, tap the More Info button 
next to your AirPods, tap Forget This Device, then tap again to confirm.
- If your AirPods don't appear there, continue to the next step.
5. Put your AirPods in their charging case, and keep the lid open.
6. Press and hold the setup button on the back of the case for about 15 seconds, until the status light on the front of the case flashes amber, then white.*
7. Reconnect your AirPods: With your AirPods in their charging case and the lid open, place your AirPods close to your iPhone or iPad. Follow the steps on your device's screen.
For some more steps that can help with troubleshooting your AirPods Pro further, check out this additional link here: If your left or right AirPod isn't working - Apple Support
Let us know if that's able to help.
Take care!
