What was found
DURING A TEST FLIGHT, DEPLOYED THE ADG FOR TESTING. THE ADG ELECTRIC SWITCH DID NOT CHARGE THE BATTERY, -40 AMPS DISCHARGE DURING ENTIRE TEST. BATTERY VOLTAGE DROPPED TO 27 VOLTS. LEAC AND REAC BUSSES WERE POWERED. THE ADG LEFT EMERGENCY AC BUSS, RCCB B1-1722 REMOVED AND REPLACED IAW AMM 24-50-01-4, AND WDM 24-61-11. GROUND TESTED THE ADG SYSTEM IAW AMM 24-25-00-700-802 AND FOUND SATISFACTORYWITH SMALLER BATTERY DISCHARGE AND POSITIVE CHARGING WAS AVAILABLE. ADG RESTORED IAW AMM 24-25-01-2.