As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AC GENERATOR CYCLES ON AND OFF DURING TAXI OUT. HAPPENED ABOUT 15 TIMES DIDN''T MATTER IF PC AT GATE OR W/SOME POWER APPLIED. MX RAN ENGINES, VERIFIED AC GEN AT STEADY STATE PROP RPM. ALSO, VERIFIED BOTTOMING GOVERNOR OPERATION. AC GENERATOR OPS CHECK GOOD.