What was found
ETOPS SIGNIFICANT SYSTEM, STATUS MSG "MAIN BATT CHGR" BATT VOLTAGE 26VDC, BATTERY HOT, CHARGER GREEN LT ON, FOUND DURING ETOPS 1 CHECK. T/S PER FIM 24-31-00 FIG 103A, REMOVED AND REPLACED MAIN A/C BATTERY PER AMM 24-31-01-004-001/404-006. VOLTAGE CHECK AND CHARGER OPS NORMAL. TIME BASES AND CLOCKS RESET PER AMM 31-25-00/501.