What was found
AIR TURNBACK, DURING CLIMB, A VERY LOUD PRESS LEAK NOISE OUT OF FWD ENTRY DOOR UPPER HINGE AREA. READJUSTED UPPER DOOR HINGE COVER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, DURING CLIMB, A VERY LOUD PRESS LEAK NOISE OUT OF FWD ENTRY DOOR UPPER HINGE AREA. READJUSTED UPPER DOOR HINGE COVER.