As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - JUST AFTER ROTATION, RECEIVED AN INTERMITTENT SMOKE WARNING. WARNING EXTINGUSHED FOR A FEW MOMENTS AND CAME BACK ON A NUMBER OF TIMES, DIVERTED TO SEA. FLIGHT ATTENDANT VISUALLY INSPECTED CARGO COMPARTMENT. NO SMOKE SEEN OR SMELLED. MAINTENANCE REMOVED AND REPLACED NR 1 AND NR 2 BAGGAGE COMPARTMENT SMOKE DETECTORS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.