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05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed
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Category
Licensee Event Report, TEXT-SAFETY REPORT  and LICENSEE EVENT REPORT (SEE ALSO AO RO)
Accession number
ML13331B275  +
CFR
10 CFR 50.73#d +
Docket
05000206  +  and 00206  +
From
SOUTHERN CALIFORNIA EDISON CO. +  and Morgan H +
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>.
05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +, 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +  and 05000206/LER-1990-015, :on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +
Issue date
August 9, 1990  +
LER number
15  +
LER year
1,990  +
Manufacturer
Westinghouse +  and Foxboro +
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>.
05:49:09, 11 January 2025  +
Page count
5  +
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)(i) +, 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)(viii)(B) +
SSC
07-90-015 +
Site
San Onofre +
Start date
August 9, 1990  +
State
Washington +  and California +
Title
:on 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed   +
Title:
On 900711,spurious Containment Isolation Sys Actuation Occurred.Caused by YE-1121 on-off Toggle Switch Susceptible to Inadvertent Operation During Manipulation of Other Controls.Guard Devices Installed +
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::2061990015R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1333/ML13331B275.pdf  +
 
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