As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#288, LAX-BOS. (ETOPS) ENG 1 FIRE LOOP B FAULT. CLEARED AFTER 30 SECS ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ). REMOVED AND REPLACED ENG 1 FIRE DETECTOR HARNESS LOOP B IAW AMM 26-12-62. OPS CHECK GOOD. MX-4 UPDATED PLACARD REMOVED.