As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE L2 MASTER WARNING DOOR INDICATOR CAME ON DURING FLIGHT AND THEN WENT OUT AFTER A FEW MINUTES. CREW DID NOT DECLARE AN EMERGENCY AND LANDED WITHOUT INCIDENT. MX PERFORMED VALVE CHECK ON L2 DOOR PROXIMITY SENSORS IAW AMM AND FOUND BOTH SENSORS TO BE WITHIN LIMITS. ACFT IS GOOD FOR SERVICE.