As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: APPROXIMATELY 10 MINUTES INTO FLIGHT DURING CLIMB ,ENGINE 2 FIRE LOOP B WARNING ILLUMINATED ON ECAM. WARNING WENT AWAY AFTER ABOUT 3 MINUTES. MASTER CAUTION LIGHT DID NOT ILLUMINATE, & NO CHIME. REPLACED FIRE DETECTION UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26-12-34-400-001-A ** (CLOSED)