As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- SMOKE WARNING LIGHT ILLUMINATED DURING FLIGHT SHORTLY AFTER TAKEOFF. CAME ON AND OFF INTERMITTANT FOR REMAINDER OF TEN MINUTE FLIGHT. RETURNED TO LAND. REMOVED AND REPLACED FORWARD AND AFT SMOKE DETECTORS. FORWARD SMOKE DETECTOR REPLACED (S/N 0567), TOTAL TIME-2725 AND TOTAL CYCLES-3788, TIME SINCE REPAIR IS 2952. OPERATIONAL CHECK OF SMOKE DETECTORS ARE NORMAL. AIRCRAFT RETURNED TO SERVICE.