As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING MAINTENANCE VISIT, NR 2 THE AFT CABIN AND GALLEY AREA EMERGENCY LIGHTS FAILED TO OPERATE. MAINTENANCE FOUND THE POWER SUPPLY LOCATED AT NR 62WL TO HAVE A DISCHARGED BATTERY PACK. REPLACED BATTERY PACK AND PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHTS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)