ENS 43291

v t e ENS Event
05:32 Apr 9, 2007
Title	Technical Specification Required Shutdown
Event Description	Energy Northwest is reporting initiation of a planned shutdown of Columbia Generating Station Pursuant to 10 CFR 50.72(b)(i), 'The initiation of any nuclear plant shutdown required by the plant's technical specifications.' This plant shutdown is undertaken prior to 1032 PDT on 4/9/07 which is the expiration of the completion time of Technical Specification Limiting Condition for Operation 3.8.7 Required Action C. This plant shutdown is undertaken due to complications from recovery of the failure of a backup power supply to power converter E-IN-2A/2B reported in event notification # 43290. The NRC Resident Inspector was notified of this event by the licensee.

ENS 43291 +/-
Where
Columbia Generating Station Washington (NRC Region 4)
Reporting

10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
LER:	05000397/LER-2007-003
Time - Person (Reporting Time:+-1.1 h-0.0458 days <br />-0.00655 weeks <br />-0.00151 months <br />)
Opened:	Ryan Stout 04:26 Apr 9, 2007
NRC Officer:	John Mackinnon
Last Updated:	Apr 9, 2007
43291 - NRC Website
v • d • e

v t e Emergency Notification System
Columbia with 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
WEEKMONTHYEAR2007-04-09T05:32:00 [Table view]
[ENS list for Columbia]

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