As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER STARTING ENG 2, ON TAXI OUT EICAS DISPLAYED GEN 3 OFF BUS, GEN 3 INDICATED 32.5V & 0 AMPS. TROUBLESHOT NR 3 GEN OFF BUSS EICAS MSG IAW FIM 24-31-00-810-807-A. R & R NR 3 MAIN GEN IAW WC 24-800-00. OPERATIONS CHECK & LEAK CHECKED GOOD.