As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE R2 DOOR OPEN LIGHT BRIEFLY ILLUMINATED. DOOR WAS CHECKED BY F/A AND FOUND TO BE CLOSED AND LATCHED. AN EMERGENCY WAS NOT DECLARED AND CREW LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN GVI OF THE DOOR IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.