What was found
IAH - FLIGHT 2240, THE CREW REPORTED A WING ANTI-ICE FAIL ON 1A TEST WHILE AIRBORNE. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND RE-SECURED THE SENSE LINE ON THE LEFT WING ANTI-ICE VALVE, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.