As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE #2 LOOP A FAULT ON ECAM ( AIR RETURN - LANDED UNDERWEIGHT )-FOUND ENG. #2 PYLON LOOP A DAMAGE. REMOVD AND REPLACED PYLON LOOP A PER AMM 26-12-63. OPERATIONAL CHECK OF ENF. #2 LOOP A FIRE DETECTION SYSTEM PER AMM 26-12-00, TEST OK.