As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO CYAN ELECTRICAL FAULT, WHITE R BATT OFF R GEN OFF. L BATT OFF L GEN OFF. MSG APPEARED IN CRUISE FLT (FL180) TWICE. RESET GENS AND LOST ALL PFD & MFDS. STARTED APU AND LANDED WITHOUT INCIDENT. DOWNLOAD FAULT DATA AND SENT TO FLEXJET. REMOVED LEFT DC POWER CENTER AND INSTALLED MODIFIED DC POWER CENTER. OPS CHECK GOOD.