Event Notification Report for March 24, 2008
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
03/23/2008 - 03/24/2008
EVENT NUMBERS
44090
Power Reactor
Event Number: 44090
Facility: ARKANSAS NUCLEAR
Region: 4 State: AR
Unit: [1] [2] []
RX Type: [1] B&W-L-LP,[2] CE
NRC Notified By: CHUCK OLSON
HQ OPS Officer: JOE O'HARA
Region: 4 State: AR
Unit: [1] [2] []
RX Type: [1] B&W-L-LP,[2] CE
NRC Notified By: CHUCK OLSON
HQ OPS Officer: JOE O'HARA
Notification Date: 03/24/2008
Notification Time: 23:48 [ET]
Event Date: 03/24/2008
Event Time: 22:48 [CDT]
Last Update Date: 03/25/2008
Notification Time: 23:48 [ET]
Event Date: 03/24/2008
Event Time: 22:48 [CDT]
Last Update Date: 03/25/2008
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
Person (Organization):
VINCENT GADDY (R4)
VINCENT GADDY (R4)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
| 2 | N | N | 0 | Refueling | 0 | Refueling |
SPDS OOS FOR PLANNED MAINTENANCE
"Arkansas Nuclear One, Unit 2 is removing power from the Safety Parameters Display System (SPDS) for 18 month preventative maintenance and scheduled corrective maintenance. SPDS is a computer based system that is utilized by both Unit I and Unit 2 to provide critical information during an emergency. Unit 2 is currently performing a refueling outage. Compensatory measures are being taken to ensure necessary backup monitoring is established on Unit 1, the operating unit. The duration of the maintenance is scheduled for approximately 24 hours."
The licensee notified the NRC Resident Inspector, and the Arkansas Department of Health.
"Arkansas Nuclear One, Unit 2 is removing power from the Safety Parameters Display System (SPDS) for 18 month preventative maintenance and scheduled corrective maintenance. SPDS is a computer based system that is utilized by both Unit I and Unit 2 to provide critical information during an emergency. Unit 2 is currently performing a refueling outage. Compensatory measures are being taken to ensure necessary backup monitoring is established on Unit 1, the operating unit. The duration of the maintenance is scheduled for approximately 24 hours."
The licensee notified the NRC Resident Inspector, and the Arkansas Department of Health.