Are headphones repairable? Corsair V1300.

[WaAa0w]

I know that we have some members who are really into DIY stuff.
I have an old gaming headphone which I want to revive due to lockdown stopping all online delivery. One of the ear cups don't produce sound anymore. How should I diagnose the exact area of the problem? And can it be repaired? The headphone has a mic.
Headset is Corsair V1300.

usually the wire gets break in headphones.. try to open it and check wires by bending it slowly right to left but be careful and gentle with it.