As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT # 2324, LAX-JFK. AIRCRAFT HAS REPORTED IN AIRMAN AN ENG 2 FIRE LOOP A FAULT IN CRUISE WITH ASSOCIATED "CHECK ENG 2 FIRE LOOP A AGB" CFDS FAULT; REF WO 1137418 NR-0001 TSI ENG 2 FIRE LOOP A FAULT. T/S PER TSM 26-12-00-810-858-A RESISTANCE VALUE OF CORE AGB LOOP A FIRE DETECTOR (4002WD1) WITHIN LIMITS 6845OHM BETWEEN PINS A AND C. R+R 4002WD1 FIRE DETECTOR PER AMM 26-12-1 AS PRECAUTIONARY PER TSI.