As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO ANC, OVER THE OUTER MARKER THE CARGO FIRE LIGHT ILLUMINATED. THE NUMBER 1 CARGO FIRE BOTTLE WAS DISCHARGED AND AN EMERGENCY DECLARED. LANDING WAS UNEVENTFUL. EMERGENCY CREWS OPENED CARGO COMPARTMENT AND FOUND NO SMOKE OR FIRE. SMOKE DETECTORS WERE FOUND TO BE SATURATED WITH CONDENSATION. REPLACED DETECTORS, NO FURTHER DISCREPANCIES WERE FOUND.