As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE FLIGHT, THE NR 2 ENGINE FIRE WARNING SYSTEM ACTIVATED. THE ENGINE WAS SHUT DOWN AND ONE FIRE BOTTLE WAS DISCHARGED. NO SECONDARY INDICATION OF FIRE WAS NOTED. THE FLIGHT DIVERTED TO MEM AND LANDED WITHOUT INCIDENT. A FAULT WAS LOCATED IN THE NR 2 ENGINE FIRE LOOP. THE LOOP AND FIRE BOTTLE WERE REPLACED. THE SYSTEM TESTED OK. AIRCRAFT WAS RETURNED TO SERVICE.