Semantic search
Jump to navigation
Jump to search
Entered date | Event description | |
---|---|---|
ENS 43972 | 8 February 2008 19:59:00 | While withdrawing shutdown bank rods in preparation for a North Anna Unit 2 startup, a Rod Control system Urgent Failure alarm was received in the main control room. Further investigation revealed group step counters for Shutdown Bank 'A' deviated by 3 steps from demand. TRM 3.1.3 was entered and the Reactor Trip breakers were opened within the 15 minute requirement. The licensee notified the NRC Resident Inspector. |