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Event Notification Report for July 25, 2006

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
07/24/2006 - 07/25/2006

** EVENT NUMBERS **


42724

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Power Reactor Event Number: 42724
Facility: BRUNSWICK
Region: 2 State: NC
Unit: [ ] [2] [ ]
RX Type: [1] GE-4,[2] GE-4
NRC Notified By: MARK SCHALL
HQ OPS Officer: BILL GOTT
Notification Date: 07/25/2006
Notification Time: 00:37 [ET]
Event Date: 07/24/2006
Event Time: 17:00 [EDT]
Last Update Date: 07/25/2006
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
JAY HENSON (R2)

Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 100 Power Operation 100 Power Operation

Event Text

LOSS AND RESTORATION OF SPDS SYSTEM

"On 7/24/06, Brunswick Unit 2 experienced a loss of Safety Parameter Display System (SPDS) capability for 12 hours and 54 minutes. Operations was informed of the loss [and restoration] of SPDS at 1700 7/24/06.

"Unit 2 remained at 100 percent power, steady state operation, throughout the time that SPDS was inoperable.

"The cause of the SPDS failure is under investigation.

"Note that all other emergency assessment equipment was operable during the time Unit 2 was without SPDS."

SPDS was restored at 1330, 7/24/06.

The licensee notified the NRC Resident Inspector.

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