As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - FL 1, AIRCRAFT WAS OPERATING PIT TO LAX WITH THE RIGHT IDG ON MEL AND THE APU OPERATING. IN CRUISE BETWEEN ABQ AND PHX, CREW RECEIVED THE LEFT GENERATOR 'OFF' LIGHT. FLIGHT DIVERTED TO PHX AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT GENERATOR CONTROL UNIT. (M)