As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5280 - STAB CH2 STATUS MESSAGE DISPLAYED ON AND OFF CONTINUOUSLY DURING CLIMB, CRUISE, LANDING AND TAXI. TRIM IN MOTION ORAL ON CONTINUOUSLY. ELECTRICAL SMELL IN AFT CABIN. LANDED DEN WITHOUT INCIDENT. REPLACED STAB ACTUATOR MCU. NO FURTHER DEFECTS.