As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - CREW REPORTED NUMBER 2 AUTO THROTTLES WOULD NOT ENGAGE. ONCE AIRBORNE SELECTED NUMBER 1 DFGS AND YAW DAMPER OFF LIGHT ILLUMINATED. FLIGHT RETURNED EWR LANDED WITHOUT INCIDENT. REPLACED NUMBER 1 YAW DAMPER FAULTY CIRCUIT BREAKER. SYSTEM GROUND CHECK NORMAL OPERATION.