As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT CREW REPORTED A LOUD SQUEAL FROM THE RIGHT FORWARD SECTION OF THE AIRCRAFT. MAINTENANCE INSPECTED AND FOUND THE OXYGEN SERVICING DOOR OPEN. MAINTENANCE CLOSED THE DOOR AND PERFORMED A DETAILED VISUAL INSPECTION PER THE SRM. NO DEFECTS WERE NOTED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.