What was found
IAH - FLIGHT 2434, THE CREW REPORTED A PACK 1 VALVE CLOSED ADVISORY MESSAGE IN FLIGHT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REPAIRED WIRE W101-2447-22 AT THE BUSHBUTTON FOR PACK ONE, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.