ENS 40948: Difference between revisions

v t e ENS Event
12:00 Aug 13, 2004
Title	Loss of the Safety Parameter Display System (Spds) for Greater than 8 Hours
Event Description	At 08:00 on 8/13/04 Computer Maintenance personnel discovered the Unit 1 SPDS computer was not updating properly. A review into the history identified that the SPDS computer had stopped updating at 21:00 on 8/12/04. The Control Room was notified. The computer group was successful in resetting the SPDS computer and is now properly operating. Since the Unit 1 SPDS computer system was unavailable for greater than 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, this is considered a loss of Emergency Assessment Capability and therefore reportable under 10CFR50.72(b)(3)(xiii). The licensee informed the NRC Resident Inspector.

ENS 40948 +/-
Where
Susquehanna Pennsylvania (NRC Region 1)
Reporting

10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Time - Person (Reporting Time:+-0.63 h-0.0263 days <br />-0.00375 weeks <br />-8.62974e-4 months <br />)
Opened:	Grant Fernsler 11:22 Aug 13, 2004
NRC Officer:	Arlon Costa
Last Updated:	Aug 13, 2004
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v • d • e

v t e Emergency Notification System
Susquehanna with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
WEEKMONTHYEAR2014-01-21T18:40:00 [Table view]
[ENS list for Susquehanna]

@@ Line 16: / Line 16: @@
 | event date = 08/13/2004 08:00 EDT
 | last update date = 08/13/2004
-| title = Loss Of The Safety Parameter Display System (Spds) For Greater Than 8 Hours
+| title = Loss of the Safety Parameter Display System (Spds) for Greater than 8 Hours
 | event text = At 08:00 on 8/13/04 Computer Maintenance personnel discovered the Unit 1 SPDS computer was not updating properly. A review into the history identified that the SPDS computer had stopped updating at 21:00 on 8/12/04. The Control Room was notified. The computer group was successful in resetting the SPDS computer and is now properly operating.
 Since the Unit 1 SPDS computer system was unavailable for greater than 8 hours, this is considered a loss of Emergency Assessment Capability and therefore reportable under 10CFR50.72(b)(3)(xiii).

Latest revision as of 22:22, 1 March 2018