As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3033, DURING CLIMB THE CREW REPORTED A NUMBER ONE BLEED LEAK. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED BLOWN O-RINGS AT JOINT NUMBER 21 LEFT, LEAK CHECKED WITH NO DEFECTS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.