As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 3 ENGINE GROUND FAULT LIGHT CAME ON DURING TAXI AT SFO. INSPECTED AND CHECKED NR 3 ENGINE FIRE LOOP CLEANED AND RESECURED CONNECTORS. THE SYSTEM OPERATIONALLY CHECKED GOOD NO DEFECTS FOUND. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)