What was found
CABIN EMERG LIGHT: AIRCRAFT EMERGENCY LIGHTS ILLUMINATE IN THE SWITCH ARM POSITION.//CORRECTIVE ACTION// CONFIRMED WITH SWITCH IN ARM POSITION EMERGENCY LIGHTS REMAINED ON ALL THE TIME T/S AND FOLLOWING FIM 33-50-00 DETERMINED BOTH AIRCRAFT EMERGENCY BATTERIES TO BE CAUSING THE ISSUE. R&R # 1 W/NEW BATTERY R&R # 2 BATTERY W/TESTED UNIT. OPS CHECK SEVERAL TIMES AND NOW EMERGENCY LIGHTS OPS CHECK GOOD. C/W EMB 505 AMM 33052017 & 33-52-01