As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PITCH TRIM RUNAWAY NOTED, FOLLOWED BY STAB FAULT STATUS MSG, FOLLOWED BY AUTOPILOT STAB TRIM CAUTION MSG. TRANSFERRED TO NRWC 543-ORD-01276. R & R MCU IAW AMM 27-42-07. OPERATIONS CHECKED GOOD. REFERENCE NRWC 543-ORD-01276 FOR CORRECTIVE ACTION.