As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CREW REPORTED SMOKE COMING INTO COCKPIT AND CIRCUIT BREAKER (YAW DAMPER SERVO) TRIPPED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED YAW DAMPER SYSTEM AND FOUND YAW DAMPER COMPUTER BURNED. SYSTEM WAS DISABLED DEFERRED.