As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RED FIRE ANNUNICATOR ILLUMINATES, FLASHES INTERMITTENTLY IN FLIGHT. VISUALLY INSPECTED ALL BAGGAGE COMPARTMENTS. CLEANED AND INSPECTED FORWARD, AFT AND LAV SMOKE DETECTORS. REMOVED LINT AND DUST FROM AFT AND LAV SMOKE DETECTORS. OPS CHECK GOOD IAW MM 26-10-00.