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05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML17311B003  +
CFR
10 CFR 50 Appendix R +, 10 CFR 50.73 +  and 10 CFR 50 +
Docket
05000528  +  and 00528  +
From
Grabo B +  and Arizona Public Service +
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05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +, 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +  and 05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +
Hours
5.787037e-5 d (0.00139 hours, 8.267196e-6 weeks, 1.9025e-6 months)  +
In package
ML17311A999 +
Issue date
June 28, 1995  +
LER
05000529/LER-92-016 +
LER number
9  +
LER year
1,994  +
Licensing Basis Document
Updated Final Safety Analysis Report +
Manufacturer
Fisher Controls +
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>.
05:22:16, 8 January 2025  +
Page count
16  +
Procedure
MST +
Processing error"Processing error" is a predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> and represents errors that appeared in connection with improper value annotations or input processing.
05000528/LER-1994-009, :on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +
Project stage
Request  +
Reporting criterion
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)(i) +, 10 CFR 50.73(a)(2) +  and 10 CFR 50.73(a)(2)(viii)(A) +
SR
SR-4.3.3 +
Site
Palo Verde +
Start date
June 28, 1995  +
System
Remote shutdown +  and Reactor Coolant System +
TS
TS-3.3.3.5 +  and TS-3.0.4 +
Title
:on 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown   +
Title:
On 941118,determined That Letdown Isolation Valve Could Not Satisfy 10CFR50,App R Related Requirement. Caused by Personnel Error.Procedure Changes Implemented Which Eliminate Reliance on Isolation Valve During Shutdown +
Topic
Safe Shutdown +, Stroke time +, Local Leak Rate Testing +, Shift Technical Advisor +  and Operability Determination +
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::5281994009R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1731/ML17311B003.pdf  +
 
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