As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROACHING THE TOP OF DESCENT, RECEIVED SEVERAL 1 - 2 SECONDS NR 1 ENGINE FIRE ECAM INDICATIONS. ONLY THE LOOP A WAS ILLUNMINATED. TROUBLESHOT AND FOUND THE NR 1 ENGINE FIRE CONTROL MODULE HAS NOT YET BEEN REPLACED, R & R THE NR 1 FIRE CONTROL MODULE IAW AMM 26-12-20-04, UNIT OPS CHECKED GOOD. R & R THE NR 1 ENGINE FIRE DETECTION CONTROL UNIT IAW AMM 26-12-11-04, UNIT BITE CHECKED GOOD IAW AMM 26-12-00-5.