As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A CARGO SMOKE INDICATION ON TAXI IN AND BOTH BOTTLES DISCHARGED. INSPECTED SYSTEM AND REPLACED NR 2 SMOKE DETECTOR IAW AMM 26-15-01. REMOVED AND REPLACED BOTH CARGO FIRE BOTTLE ASSEMBLIES IAW AMM 26-25-01. OPS CHECK GOOD. P/N 473547-19, S/N OFF 1861.