What was found
CREW REPORTS ON PRE-FLIGHT INSPECTION FOUND EMERGENCY LIGHTS TO BE DEAD. REPLACED ALL EMERGENCY LIGHT BATTERIES IAW AMM. OPERATIONAL CHECK GOOD S/N REMOVED 71076, 79158, 79158, 67885, AND 84628. S/N INSTALLED 66412, 84896, 74129, AND 79580. AIRCRAFT RETURNED TO SERVICE. (K)