Glad it's of use! I bought a new gimbal base (pitch + yaw arm:
https://m.aliexpress.us/item/3256805292301576.html) on aliexpress for like $40 and put it in, so everything between the rubber plugs and the bracket attaching to the camera case (roll arm?) was replaced, along with both cables. You also need a set of covers ($20,
https://m.aliexpress.us/item/3256803277872921.html) if you go this route.
Had to push pretty hard to get the roll arm into the yaw arm socket but it hasn't given me any issues since, and that was three months ago.
If your roll arm didn't make it either, this + a back cover for the camera and front lens ring should do the trick:
10.64US $ 42% OFF|Original Empty Gimbal For Dji Mavic Air 2 Camera Yaw/roll Arm/bracket With Motors Lens Module Component(used Must Be Calibrated) - Drone Accessories Kits - AliExpress
OEM PULLED PART.
www.ebay.com
I'll look carefully at the startup tonight to make sure there aren't any error messages displaying briefly, but there's nothing when flying.