As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REN-SFO - EN ROUTE, FORWRD DOOR WARNING LIGHT ILLUMINATED. AIRCRAFT CONTINUED TO STATION, LANDING WITHOUT INCIDENT. MAINTENANCE INSPECTED PASSENGER DOOR AND DOOR WARNING SYSTEM. NO DEFECTS NOTED. SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (W)