As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TURNING ON/OFF GENERATOR NR 1 CAUSES FLIGHT MANAGEMENT SYSTEM, LEFT PRIMARY FLIGHT DISPLAY AND MULTI-FUNCTIONAL DISPLAY SCREENS GO BLANK, YAW DAMPENER 2 AND MACH TRIM DISENGAGE. (FLT 4830) REPLACED CONTACTOR GENERATOR TRANSFER CONTACTOR.