As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - PASSENGER DOOR CAPTION REMAINS ILLUMINATED WITH DOOR CLOSED. DEFERRED DOOR WARNING SYSTEM PER MEL 52-2. AIRCRAFT RETURNED TO SERVICE. SUBSEQUENTLY MAINTENANCE REPLACED DOOR HANDLE MICROSWITCH. DOOR WARNING SYSTEM OPERATIONAL CHECK NORMAL. (W)