As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 88 ORD-PHX - DIVERSION / EMERGENCY LANDING - WHILE EN ROUTE, LOST NR 1 GENERATOR, THEN LOST AC BUS 1 AND ALL ITS COMPONENTS. CREW DECLARED A PRECAUTIONARY EMERGENCY AND DIVERTED TO OMA. AIRCRAFT WAS FERRIED TO PHX WHERE THE NR 1 INTEGRATED DRIVE GENERATOR WAS REPLACED IAW AIRBUS MAINTENANCE MANUAL 24-21-54.