What was found
THE CREW REPORTED THE EMERGENCY BATTERY CHARGE FAULT CAME ON DURING TAXI OUT. THE ACFT WAS REMOVED FROM SERVICE. R & R THE EMERGENCY BATTERY IAW EX-243185-RAI-10020-002. ALSO, R & R THE EMERGENCY BATTERY CONTACTOR 42PA. THE OPS CHECK WAS GOOD IAW JIC 24-00-00, RAI 100400-003.