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05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20058L795  +
CFR
10 CFR 50.49 +  and 10 CFR 50.73#a2iiB +
Docket
05000346  +  and 00346  +
From
FirstEnergy +, Storz L +  and Stotz 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>.
05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +, 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +  and 05000346/LER-1990-005, :on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +
IEEE
IEEE 317 +, IEEE 317-1972 +  and IEEE 317-1971 +
Issue date
August 3, 1990  +
LER number
5  +
LER year
1,990  +
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>.
22:48:52, 26 May 2025  +
Page count
7  +
Regulatory Guide
Regulatory Guide 1.63 +
Reporting criterion
10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition +
Site
Davis Besse +
Site license
Davis Besse +
Start date
August 3, 1990  +
State
Ohio +
System
Service water +
Title
:on 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented   +
Title:
On 900314,determined That Class 1E Circuits Passed Through Containment Electrical Penetrations W/O Adequate Backup Fault Protection.Caused by Inadequate Design Control.Procedures Written & Implemented +
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::3461990005R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2005/ML20058L795.pdf  +
 
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