As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- CARGO DOOR LIGHT FLICKERS ON INTERMITTENTLY WITH CHIME AND DOOR LIGHTS DURING FLIGHT. AIRCRAFT RETURNED TO FIELD WITHOUT INCIDENT. REMOVED AND REPLACED AFT BAGGAGE DOOR PROXIMITY SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.