What was found
(CAN) DURING FLIGHT APU STARTED AND STABILIZED. THE #2 AC ESSENTIAL BUS WAS KNOCKED OFF LINE. APU GENERATOR CONTROL UNIT REPLACED AS WELL AS #2 GENERATOR CONTROL UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING FLIGHT APU STARTED AND STABILIZED. THE #2 AC ESSENTIAL BUS WAS KNOCKED OFF LINE. APU GENERATOR CONTROL UNIT REPLACED AS WELL AS #2 GENERATOR CONTROL UNIT.