As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM: UPON TESTING OF B SIDE NR 2 ENGINE, FIRE LIGHT DOES NOT ILLUMINATE AND THE FAULT LIGHT IS ON. REMOVED & REPLACED "B" SIDE ENGINE FIRE DETECTOR ON NR 2 ENGINE IAW AMM 26-11-01 AND OPERATIONAL TESTED OKAY IAW AMM 26-11-00.