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05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML13331B329  +
Atomic Element
Xenon +
CFR
10 CFR 50.73#d +
Docket
05000206  +  and 00206  +
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>.
05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +, 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +  and 05000206/LER-1991-008, :on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +
Hours
4.166667e-4 d (0.01 hours, 5.952381e-5 weeks, 1.3698e-5 months)  +  and 6.944444e-5 d (0.00167 hours, 9.920635e-6 weeks, 2.283e-6 months)  +
Issue date
May 16, 1991  +
LER number
8  +
LER year
1,991  +
Manufacturer
Westinghouse +
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>.
05:47:55, 11 January 2025  +
Page count
6  +
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)(iv), System Actuation +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(viii)(B) +
SSC
07-91-008 +
Site
San Onofre +
Start date
May 16, 1991  +
State
California +  and Washington +
System
Control Rod +  and Reactor Protection System +
TS
TS-3.5.3 +  and TS-3.5 +
Title
:on 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis   +
Title:
On 910416,rod Control Sys Declared Inoperable. Preliminary Investigation Into Cause Indicates That Relay Contacts Stuck W/Normally Open Contacts.Failed Relay Replaced & Sent to Mfg for Analysis +
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::2061991008R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1333/ML13331B329.pdf  +
 
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