What was found
IAH- WHILE PERFORMING PREFLIGHT INSPECTION THE CREW NOTED THAT A SECTION OF EMERGENCY LIGHTING DID NOT ILLUMINATE. IAH- MAINTENANCEREPAIRED A BROKEN WIRE ON THE EMEMGENCY LIGHT STRIP, PERFORMED A OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.