As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROACHING LEVEL OFF AT FL 370, FWD CARGO COMPT SMOKE LIGHT AND ASSOC ECAM CAUTIONS ACTIVATED. NR 1 BOTTLE WAS DISCHARGED AND NR 2 BOTTLE WAS ACTIVATED ON APPROACH. LIGHT WENT OUT AFTER DISCHARGE. REMOVED AND REPLACED SMOKE DET A AND B, OPS CHK NORMAL. INSPECTION OF FWD CARGO COMPT SHOWED NO EVIDENCE OF FIRE.