As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ARRIVAL THE ACFT WAS DECLARED IN EMER BY AFT CARGO SMOKE. DURING MX CHECK IAW TSM 26-16-00-810-809-AA, FOUND SMOKE DETECTOR 5WH DAMAGED. FALSE FIRE WARNING DURING FLIGHT WAS DETERMINED. SMOKE DETECTOR WAS REPLACED IAW AMM 26-16-15-000-001 400-001.