What was found
IAH- WHILE PERFORMING A 1A CHECK INSPECTION IT WAS NOTED THAT THE EMERGENCY LIGHT BATTERY HAS LOW VOLTAGE. IAH-MAINTENANCE TROUBLESHOT THE SYSTEM AND FOUND THAT THERE WAS NO POWER TO THE EMERGENCY LIGHTS IN THE BATTERY MODE. MAINTENANCE REPAIRED A BROKEN WIRE TO 29WL PIN F AND G, AND PERFORMED A OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.