As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NR 2 ENGINE GENERATOR SYSTEM FAILED, UNABLE TO ESTABLISH APU ON AIRCRAFT BUSS. AIRCRAFT DIVERTED TO YHZ. NR 2 GENERATOR CONTROL PANEL REPLACED AS PER WORK CARD, SYSTEM CHECKED SERVICEABLE. APU GENERATOR OPERATIONS CHECKED NORMAL WHEN FUNCTIONED GROUND AND FLIGHT MODE.