As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE AFT CARGO FIRE INDICATION AND NR 2 AFT SMOKE DETECTOR WAS ON INTERMITTENTLY. FIRED NR 1 AND NR 2 BOTTLES AND COMPLIED WITH THE COM. REMOVED AND REPLACED THE NR 2 AFT CARGO SMOKE DETECTOR AND BOTH FIRE BOTTLES. OPERATIONAL TEST WAS NORMAL.