As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM MESSAGE ENG1 FIRE LOOP B, LOOP FAULT CAME ON FOR 20 SEC THEN CLEARED ON ITS OWN. CAME ON 6 MORE TIMES AND FINALLY STAYED ON UPON LANDING. ACCOMPLISHED TSM 26-12-00-810-936A. FOUND PYLON DETECTOR 6WD1 BAD. REPLACED DETECTOR IAW AMM 26-12-16. OPS CHECKED OK. OK FOR SERVICE.