As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 6,000 FT MAIN CARGO SMOKE ALARM 2 ILLUMINATED WITH ACCOMPANYING FRONT COCKPIT FIRE WARNING LIGHT. COMPLIED WITH RED TABS AND TURNED SMOKE CONTROL ON. LIGHT EXTINGUISHED BUT REAPPEARED WITH ALARM, 1 MIN LATER LIGHT/ALARM EXTINGUISHED BY ITSELF. NO SMOKE OR FUMES IN FLIGHT. INSPECTED AREA, FOUND NO EVIDENCE OF SMOKE. MADE SURE LINE WAS CLEAR FROM UPPER CARGO TO SMOKE DETECTOR, CHANGED NR 2 SMOKE DETECTOR AND OPS CHECKS GOOD.