As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - AIR TURNBACK - 2/22/01 - DURING CLIMB THE CREW GOT A CLASS I ECAM MESSAGE, ENG 2 FIRE DET FAULT AND RETURNED TO PHX. IN PHX MAINTENANCE FOUND THE NR 2 ENG LOWER CORE FIRE LOOP CHAFED; THE LOWER CORE FIRE DETECTOR ASSY WAS REPLACED AND FUNCTIONALLY CHECKED GOOD.