What was found
IAH - FLIGHT 3136, DURING CLIMB THE CREW REPORTED A BLEED TWO LEAK INDICATION. THE AIRCRAFT RETURNED TO IAH WHERE OT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND REMOVED AND REPLACED THE O-RINGS AT JOINT 24, OPERATIONALLY AND LEAK CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.