As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK SEA FLIGHT 7202: DURING CLIMBOUT THE AIRCRAFT WOULD NOT PRESSURIZE. LEAK APPEARED TO BE AT THE DOCUMENT DOOR. CREW ELECTED TO RETURN TO SEA. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED DETAILED VISUAL INSPECTION OF DOCUMENT DOOR. PERFORMED MANUAL PRESSURE CONTROL SYSTEM TEST. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.