Event Notification Report for November 9, 2007
| U.S. Nuclear Regulatory Commission
Operations Center Event Reports For
11/08/2007 - 11/09/2007 ** EVENT NUMBERS ** |
 | Power Reactor | Event Number: 43768 | Facility: FERMI
Region: 3 State: MI
Unit: [2] [ ] [ ]
RX Type: [2] GE-4
NRC Notified By: P. FALLON
HQ OPS Officer: JEFF ROTTON | Notification Date: 11/03/2007
Notification Time: 17:26 [ET]
Event Date: 11/03/2007
Event Time: 17:22 [EDT]
Last Update Date: 11/08/2007 | Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
| Person (Organization):
JOHN MADERA (R3)
|
| Unit | SCRAM Code | RX CRIT | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode | | 2 | N | N | 0 | Cold Shutdown | 0 | Cold Shutdown | Event Text LOSS OF SPDS AND ERDS DUE TO PLANNED MAINTENANCE
"At 1722 hours, on 11/3/2007, the SPDS and ERDS system was removed from service to support activities for a planned maintenance outage on the UPS vital bus power supply. The duration of work is expected to be approximately 48 hours. During this time, Control Room indications and alternate methods will be available. Since the SPDS computer system will he unavailable for greater than 8 hours, this is considered a Loss of Emergency Assessment Capability and reportable under 10CFR50.72(b)(3)(xiii). The licensee will notify the NRC Resident Inspector."
* * * UPDATE AT 1715 ON 11/7/2007 FROM SUE REITH TO MARK ABRAMOVITZ * * *
"Maintenance activities are continuing on the power supply for the SPDS and ERDS systems. Current estimate will restore the computer systems by 2000 on 11/08/07. An update will be provided once SPDS and ERDS are restored." R3DO (M. Phillips) notified.
The licensee notified the NRC Resident Inspector.
* * * UPDATE AT 1234 ON 11/8/2007 FROM DAVID HEMMELE TO MARK ABRAMOVITZ * * *
"Planned work which resulted in the removal from service of SPDS and ERDS has been completed. SPDS and ERDS have been restored to service as of 1115 11/8/2007."
The licensee notified the NRC Resident Inspector.
Notified the R3DO (Phillips). | |
Page Last Reviewed/Updated Thursday, March 25, 2021
Page Last Reviewed/Updated Thursday, March 25, 2021
