"I know how you feel... I hope it is repairable.
I ordered another Autopilot. And compared the damaged with the new ardupilot and find that the TS5A23157 chip has a different readout than the new one. I purchased the TS5A23157 from digikey today…"
"I have the same issue. The lockup can happen in manual or stabilize mode. I can duplicate the problem by rocking the board back and forth when I'm testing on the workbench. It would freeze up and then a minute later or something it will return back…"