As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#2104, BOS-LGW. (ETOPS) 'ENG 2 FIRE LOOP A FAULT MESSAGE APPEARED SHORTLY AFTER CLIMBING PAST 10000 FEET INTO THE FLIGHT AT 33000 FT THE MESSAGE DID NOT APPEAR AT ANY POINT DURING THE FLIGHT THEREAFTER ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); REPLACED RAIL ASSEMBLY AS WELL AS LOOP A AND LOOP B UNDER PYLON IAW AMM 26-12-63. OPS CHECK OK. NO FURTHER DEFECTS NOTED. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.