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05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed
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Category
Pages with broken file links, LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20238E463  +
CFR
10 CFR 50.73 +
Docket
05000295  +  and 00295  +
From
Exelon +, Pliml G +  and Hutsebaut J +
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>.
05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +, 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +  and 05000295/LER-1987-016-08, :on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +
Issue date
December 30, 1987  +
LER number
16  +
LER year
1,987  +
Manufacturer
Limitorque +
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>.
23:17:24, 22 May 2025  +
Page count
6  +
Reporting criterion
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)(iv), System Actuation +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2) +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(1) +
SSC
1MOV-SW0009 +
Site
Zion +
Start date
December 30, 1987  +
State
Illinois +  and Washington +
System
Service water +, Emergency Core Cooling System +  and Containment Spray +
TS
TS-3.9.3 +
Title
:on 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed   +
Title:
On 871130,determined That Reactor Containment Fan Cooler Outlet Isolation Valve 1MOV-SW0009 Failed Partially Open & Inoperable.Caused by Insufficient Torque on Valve Block Bolts.Valve Block Design Changed +
To
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) +
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::2951987016R08.pdf  +  and http://pbadupws.nrc.gov/docs/ML2023/ML20238E463.pdf  +
 
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