As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON FLIGHT 2199, NR 2 DC GENERATOR HOT CAUTION LIGHT ILLUM. DURING TAXI, FLICKERING ON AND OFF THE ENTIRE TIME. CONDUCTED CHECKLIST AND UPON TURNING OFF THE DC GENERATOR SWITCH, THE CAUTION LIGHT WENT OUT. MAINTENANCE REMOVED AND REPLACED NR 2 DC GENERATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.