What was found
AIRCRAFT WOULD NOT MAINTAIN PRESSURE. AIR TURNBACK TO (CVG). VISUALLY INSPECTED EXTERIOR DOORS FOR SECURITY, FOUND VAULT DOOR HANDLE CLOSED, BUT DOOR NOT FULLY CLOSED. CYCLED DOOR SEVERAL TIMES, LIGHT AND DOOR OPS CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WOULD NOT MAINTAIN PRESSURE. AIR TURNBACK TO (CVG). VISUALLY INSPECTED EXTERIOR DOORS FOR SECURITY, FOUND VAULT DOOR HANDLE CLOSED, BUT DOOR NOT FULLY CLOSED. CYCLED DOOR SEVERAL TIMES, LIGHT AND DOOR OPS CHECK NORMAL.