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05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer
Show incoming properties 
Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20067C787  +
Area
Switchyard +
CFR
10 CFR 50.73#a2 +, 10 CFR 50.73#a2i +  and 10 CFR 50.73#d +
Correspondence
L 20 +
Docket
05000361  +, 05000362  +, 00361  +  and 00362  +
From
Krieger R +  and SOUTHERN CALIFORNIA EDISON CO. +
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>.
05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +, 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +  and 05000361/LER-1994-012, :on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +
Issue date
February 25, 1994  +
L
L 20 +
LER number
12  +
LER year
1,994  +
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>.
16:15:07, 26 May 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
5  +
Reporting criterion
10 CFR 50.73(a)(2)(v), Loss of Safety Function +, 10 CFR 50.73(a)(2)(iv), System Actuation +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2) +, 10 CFR 50.73(a)(2)(viii)(B) +  and 10 CFR 50.73(a)(2)(1) +
SSC
1E-9 +, 3E-7 +  and 07-93-012 +
Site
San Onofre +
Start date
February 25, 1994  +
State
Washington +
System
Auxiliary Feedwater +  and Feedwater +
TS
TS-3.8.1.1 +  and TS-3.8 +
Title
:on 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer   +
Title:
On 940126,inadequacies in Electrical Distribution Sys Design Calculations.Caused by Incorrect Engineering Judgement.C/A:Upgraded MCC Control Circuit for 2HV9303 by Replacing Transformer +
To
Office of Information Resources Management +
Topic
Probabilistic Risk Assessment +
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::3611994012R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2006/ML20067C787.pdf  +
 
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