As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAXING IN WE RECEIVED FIRE INDICATION IN FWD CARGO BAY. APPLIED QRH, LIGHT EXTINGUISHED. NO EVIDENCE OF FIRE OR SMOKE & NO INVESTIGATION PLANNED VIA FLIGHT SAFETY. FWD CARGO FIRE LOOP B TESTED INTERMITTENT FWD B1 FAULT. FOUND BAD SMOKE DETECTOR M2240 & REPLACED. BITE TEST PASSED.