As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DEPARTED DSM EN ROUTE TO PHX WITH THE APU ON MEL. DURING CRUISE, CREW RECEIVED AN ECAM ELEC IDG 1 OIL LOW PRESS. DISCONNECTED IDG AS DIRECTED BY ECAM. FLIGHT DIVERTED TO MCI & LANDED WITHOUT FURTHER INCIDENT. R & R THE NR 1 ENG IDG IAW AMM 24-21-51, PB401. THE APU WAS SCHEDULED FOR REPLACEMENT & IS CURRENTLY BEING REPLACED.