What was found
IAH - DURING MAINTENANCE VISIT INSPECTION, THE EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY 43WL WERE FOUND INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY IN THE POWER SUPPLY AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. AIRCRAFT TT: 2,347.8 HOURS. CYCLES: 2,157. (X)