As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2404, SJU-JFK. (ETOPS) 'ENG 2 FIRE LOOP B FAULT IN FLIGHT; REF LP# 3951667, ITEM #2 (UNABLE TO BITE TEST ENG 2 FDU 2WD2 REMOVED AND REPLACED FDU 2 IAW AMM 26-12-00) FOR REMOVED AND REPLACED FDU . NO HELP. REF LP3951670 ITEM 1 FOR WIRING CHECKS. REMOVED AND REPLACED OF TERMINAL BLOCK 450VT2 BLOCK 5 REF ESPM 20-44-51. OPS CHECK OK. BITE CHECK REF AMM 26-12-00 OK. NO FAULTS AT THIS TIME. A/C OK FOR SVC.'