What was found
MX FOUND THE RT OVERWING EXIT EMERGENCY LIGHTING WAS INOP (BATTERY FAIL), DURING THE DAILY CHECK. MX R & R THE BATTERY, PN 3214-31, SN 33520, RT OVERWING EMERGENCY EXIT (EPSU FIN 12WL) IAW AMM 33-51-38PB401, OPS CKD OK. ACFT RETURNED TO SERVICE. (CLOSED)