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05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned
Show incoming properties 
Category
Letter, Licensee Event Report (LER)  and Licensee Event Report
Accession number
ML25293A255  +
CFR
10 CFR 50.73 +, 10 CFR 21 +, 10 CFR 20 +, 10 CFR 50 +, 10 CFR 73 +, 10 CFR 50.73#a2vD +  and 10 CFR 50.73#a2vA +
Cornerstone
Emergency Preparedness +
Docket
05000458  +  and 00458  +
Entergy procedure
EN-HU-102 +
Exelon procedure
EN-MA-157 +
From
Mccoy J +  and Entergy +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +, 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +  and 05000458/LER-2025-006, For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned +
Issue date
October 20, 2025  +
LER number
6  +
LER year
2,025  +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
22:44:13, 29 October 2025  +
NUREG
NUREG-1022, Rev. 3, Supplement 2, Event Report Guidelines 10 CFR 50.72(b)(3)(ii) and 10 CFR 50.73(a)(2)(ii) Final Report +
Page count
1  +
Project stage
Request  +
Reporting criterion
10 CFR 50.73(a)(2)(iv)(A), System Actuation +, 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition +, 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor +, 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat +, 10 CFR 50.73(a)(2)(v), Loss of Safety Function +, 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability +, 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown +, 10 CFR 50.73(a)(2)(ix)(A), Prevented Safety Function in Multiple System +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(viii)(B) +
Site
River Bend +
Site license
River Bend +
Start date
October 20, 2025  +
State
Washington +
Test
Post maintenance test +
Title
For River Bend Station, Potential Loss of Safety Function of Control Building Chillers Due to a Valve Mispositioned  +
To
Office of Nuclear Reactor Regulation +  and Document Control Desk +
Topic
Safe Shutdown +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::4582025006R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2529/ML25293A255.pdf  +
 
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