What was found
IN LEVEL FLIGHT AT FL330, RECEIVED A LEVEL 1 BAT DISCHARGING ALERT. IT STAYED ON FOR ABOUT 3 MIN, WENT OUT FOR ABOUT 1 MIN, THEN REMAINED ON FOR THE REMAINDER OF THE FLIGHT. R & R R2-17 RELAY IAW SWP 24-31-00, OPS CHECK OF ELECTRICAL BATTERY IAW AMM 24-32-00-05 NO DISCREPANCIES NOTED. PERFORMED EPCU RTS IAW AMM 24-08-01-5 ALL TEST PASSED. ACFT OK TO CONTINUE SERVICE.