As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - ECAM MESSAGE: ENG1 FIRE LOOP B FAULT ILLUMINATED 4 DIFFERENT TIMES WITHIN 10 MINUTES AND THEN OPS NORMAL. PERFORMED TSM 26-12-00-810-804, PERFORMED GVI OF ENG 1 LOOP B FIRE DETECTORS (4WD1)(4001WD2)(4002WD2)(41WD1)AND (42WD1). NO DEFECTS NOTED. RESISTANCE VALUES WITHIN LIMITS, PER ESPM 20-52-00. OK FOR SERVICE.