As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FIRE INDICATION, QRC AND QRH PROCEDURES FOLLOWED TO INCLUDE DISCHARGING AGENT. FIRE INDICATING CONTINUED INTERMITTENTLY FOR THE REMAINDER OF FLIGHT. ACFT GROUNDED. REPLACED THE AFT CARGO FILTER DRYER. AS A PRECAUTION, REPLACED AFT CARGO ELECTRONIC UNIT AND ALL 6 AFT CARGO BAY SMOKE DETECTORS. GROUND VERIFICATION SUCCESSFUL IAW AMM 26-16-02 & 26-16-00.