Submitted the repair request. Got quoted $99.18 two days later (Gimbal Yaw Axis Arm Quantity: 1 Net Price : 7.00, Gimbal Roll Motor Module Quantity: 1 Net Price : 24.00 Repair Service Fee Quantity: 1 Net Price : 65.00; Total Amount for Repair...
Based on what I've seen on this forum, DJI seems to deserve credit for reasonably priced repairs. I don't recall anyone complaining about the price of a repair (often replacement) being excessive.
I just boxed mine up, and taped the return label on it. Looks like it's headed to Texas tomorrow. My M3P has 11 hours on it, I imagine my outcome will be about the same. Thanks for the information.