What was found
IAH - FLIGHT 2568, DURING CLIMB, THE CREW REPORTED THAT THE F/O'S DV WINDOW SEAL POPPED OUT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE DV WINDOW PROFILE SEAL, LEAK CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.