As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY ONE HOUR AFTER TAKEOFF FROM KWI, ENGINE-2 FIRE DETECTOR FAIL ALERT INTERMITTENTLY APPEARED ON THE SD. (NOTE SYSTEM 2-B FIRE DETECTION SYSTEM PREVIOUSLY ON MEL). FLIGHT CREW FOLLOWED PROCEDURES AND RETURNED TO KWI. EXPECTED FIX: REPLACE DEFECTIVE FIRE DETECTION LOOPS AND HARNESSES.