As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - ECAS MESSAGE "LEFT ENGINE FIRE LOOP 2" ILLUMINATED THEN EXTINGUISED. T/S IAW FIM 26-11-00, FIG 104. INSPECTED LOOPS, NO PROBLEMS NOTED. PERFORMED BITE PROCEDURES WITH NO FAULTS. PERFORMED RESISTANCE CHECK, FOUND OK. INSPECTED ENGINE BLEED DUCTS FOR POSSIBLE LEAKS & FOUND NONE. RESEATED FIRE CARD M682. COULD NOT DUPLICATE. SYS CHECKED GOOD.