As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#33, BOS-CDG. (ETOPS) 'ENG 2 LOOP B FIRE FAULT CAUTION DISPLAYED INTERMIT DURING FLIGHT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ); PERFORMED ENG 2 FIRE LOOP TEST IA WAMM 26-12-00. OPS CHECK GOOD. NO DEFECTS NOTED FAULTS DISPLAYED ON ECM. MDDR CLEARED PLACARD RMV. MX-4 UPDATED (MSG HAS NOT APPEARED WITHIN THE LAST FEW PREVIOUS FC).