As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AUTO SHUT DOWN IN FLIGHT WITH ONE GENERATOR ALREADY ON MEL. CREW EXPERIENCED MULTIPLE ELECTRICAL FAILURES DUE TO ONLY ONE GENERATOR BEING ON LINE. FLIGHT DIVERTED TO NEAREST SUITABLE AIRFIELD. NO EMERGENCY WAS DECLARED. MAINTENANCE IS CURRENTLY GATHERING MATERIALS IN ORDER TO GO ON A ROAD TRIP TO REPAIR THE ELECTRICAL FAULT. REMOVED AND REPLACED APU ECU.