As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE CREW RECEIVED EICAS BATT 1 OVERTEMP WARNING MSG PEAK AT 114C. CREW CONTACTED SOC & MOC & THE DECISION TO DIVERT WAS MADE. CREW COMPLIED WITH AOM VOL 1 PROCEDURES, DECLARED AN EMER & LANDED WITHOUT INCIDENT. R & R NR 1 MAIN BATTERY, OPERATION CHECKED GOOD IAW WC 24-600-00.