As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR CONDITIONER DOOR OPEN, CAME ON IN FLIGHT. PERFORMED OPERATIONS CHECK OF ALL AIR CONDITIONING ACCESS DOORS IAW MM 52-42-01-0. VERIFIED ALL DOORS ARE CLOSED & LOCKED. OPERATIONS CHECK CONFORMS WITH MEL 52-42-01-. THAT ALL DOORS ARE LOCKED & CLOSED. ACFT OK FOR SERVICE.