ENS 40391

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v t e ENS Event
18:24 Dec 12, 2003
Title	Both Trains of Component Cooling System Inoperable.
Event Description	On 12/12/2003 , at 1224 both trains of Component Cooling System were declared inoperable. The governance by the KNPP Technical Specification (3.3.d) requires that actions commence within an hour to place the plant in Hot Standby within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, Hot Shutdown within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and to achieve the RCS Tavg less than 350 degrees F by use of alternate heat removal methods within an additional 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The issue stemmed from the discovery of liquid on R-17 (Component Cooling Radiation Detector) detector housing at the location of a air port. Liquid from this port was chemically tested to contain chemicals (molybdates and sulfites) currently found in the Component Cooling system. It was determined that this leak violated guidance in Generic Letter 90-05 and thus rendered both trains of component cooling inoperable due to this being in a common header. A Technical Specifications guided background has commenced at 1315 on 12/12/2003. At the time of the call, reactor power was 84% and decreasing. All Emergency Core Cooling Systems and the Emergency Diesel Generators are fully operable if need. The electrical grid is stable. The NRC Resident Inspector was notified of this event by the licensee.

ENS 40391 +/-
Where
Kewaunee Wisconsin (NRC Region 3)
Reporting

10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Time - Person (Reporting Time:+-3.75 h-0.156 days <br />-0.0223 weeks <br />-0.00514 months <br />)
Opened:	James Baptist 14:39 Dec 12, 2003
NRC Officer:	John Mackinnon
Last Updated:	Dec 12, 2003
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v • d • e

v t e Emergency Notification System
Kewaunee with 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
WEEKMONTHYEAR2012-08-20T16:00:00 [Table view]
[ENS list for Kewaunee]

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