As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX-ON FLIGHT NUMBER 2059,#1 DC GENERATOR CAUTION AS WELL AS #1 AC GENERATOR LIGHTS ILLUMINATED. UNABLE TO SET PER CHECKLIST. REMOVED AND REPLACED #1 AC GENERATOR CONTROL UNIT AND #1 AC GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.