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05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20077F512  +
CFR
10 CFR 50.73#a2iv +  and 10 CFR 50.72#b2ii +
Docket
05000277  +  and 00277  +
From
Exelon +, (FORMERLY PHILADELPHIA ELECTRIC +, Fray J +  and Fulvio A +
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>.
05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +, 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +  and 05000277/LER-1991-014, :on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +
Hours
0.021 d (0.504 hours, 0.003 weeks, 6.906075e-4 months)  +  and 0.0235 d (0.565 hours, 0.00336 weeks, 7.735565e-4 months)  +
Issue date
June 13, 1991  +
LER number
14  +
LER year
1,991  +
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>.
12:13:37, 26 May 2025  +
Page count
4  +
Procedure
ST +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +
SSC
S12F-23-76-XXFM +  and S12f-23-76-XXfM +
Site
Peach Bottom +
Start date
June 13, 1991  +
State
Washington +
System
High Pressure Coolant Injection +
Title
:on 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily   +
Title:
On 910521,isolation of HPCI Sys Occurred Unexpectedly During Surveillance Test.Caused by Leaking Isolation Valve,Resulting in Pressurization of Switch.Valve Replaced & Test Performed Satisfactorily +
To
Office of Information Resources Management +
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::2771991014R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2007/ML20077F512.pdf  +
 
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