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05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML13331B234  +
Atomic Element
Boron +
CFR
10 CFR 50.73#d +
Docket
05000206  +  and 00206  +
From
Morgan H +  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-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +, 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +  and 05000206/LER-1989-026, :on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +
Hours
2.430556e-4 d (0.00583 hours, 3.472222e-5 weeks, 7.9905e-6 months)  +  and 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +
Issue date
December 1, 1989  +
LER number
26  +
LER year
1,989  +
Manufacturer
Automatic Switch Co +  and 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>.
05:50:00, 11 January 2025  +
NRC information notice
Information Notice 88-43 +
Page count
10  +
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
07-89-026 +
Site
San Onofre +
Start date
December 1, 1989  +
State
California +  and Washington +
System
Steam Generator +, Reactor Coolant System +, Residual Heat Removal +  and Containment Spray +
TS
TS-3.0.3 +  and TS-3.3 +
Title
:on 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced   +
Title:
On 890823,charging Isolation Valve CV-304 Failed to Close When Close Signal Received,Rendering Valve Inoperable.Caused by Failure of Automatic Switch Co three-way Solenoid Air Valve.Valve Replaced +
To
Office of Information Resources Management +
Topic
Boric Acid +
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::2061989026R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML1333/ML13331B234.pdf  +
 
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