As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG PUMP FIRE VALVE LEAKING. LEAK FOUND WHILE TROUBLESHOOTING LM2480. REPLACED NR 1 ENG PUMP FIRE VALVE REF MM. NEW VALVE FAILED OP CHECK DUE TO INDICATION ON LOWER ECAM DID NOT WORK. INDICATION ON VALVE WORKS NORMAL LT. REPLACED VALVE, NO LEAKS NOTED.