As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RUN-UP THE #2 GEN DISC CAUTION APPEARED. THE GEN CB ON THE #1 ESS BUS POPPED; WOULD NOT RESET. DURING TEST FLIGHT EVAL, #2 GENERATOR FAILED TO COME ONLINE. REMOVED AND REPLACED #2 GCU IAW AMM 24-30-00, 4-1. MOC SUCCESSFULLY COMPLETED.