What was found
DURING SERVICE CHECK, MAINTENANCE FOUND THE FORWARD OVERWING EXIT LIGHT AND ISLE OVERWING EXIT LIGHT TO BE INOPERATIVE. MAINTENANCE REPLACED 2 EACH BATTERIES, AT ROWS 18 & 19, IAW B717 AMM 33-51. OPERATIONAL CHECK WAS GOOD. ALL LIGHTS ILLUMINATE. AIRCRAFT IS OK FOR SERVICE. (LP #4581366)