As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
2 AC GENERATOR CAUTION LIGHT ILLUMINATED AFTER TAKEOFF. CHECKLIST DONE + NR 2 AC GENERATOR CYCLED. NR 2 AC GENERATOR WOULD NOT RESET. RETURNED TO FIELD. LANDING UNEVENTFUL. INTERROGATED EPCU FOUND FAULT 28 NR 2 AC GCU. REMOVED 2 AC GCU AMM 24-21-00-000-801. INSTALLED NEW 2 AC GCU AMM 24-21-00-400-801. RETURNED TO SERVICE.