What was found
AIRCRAFT WAS NOT GROUNDED. DOORS L1, L2, L3, AND R3 EPAS STATUS INDICATOR INOPERATIVE. REPLACED L3 EPAS BATTERY WITH NEW, IAW AMM 52-11-20. OPERATIONS CHECK GOOD. ALSO REPLACED L1 (AALA202011199008), L2 (AALA202011199013), AND R3 (AALA202011199015) EPAS BATTERIES WITH NEW, IAW AMM 52-11-20. OPERATIONS CHECK GOOD.