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05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
ANSI code
ANSI 51.1-1983 +
Accession number
ML20069B374  +
CFR
10 CFR 50.73 +  and 10 CFR 21 +
Docket
05000338  +, 00338  +  and 00339  +
From
Kane G +  and Dominion +
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>.
05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +, 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +  and 05000338/LER-1994-002-02, :on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +
Hours
0.0157 d (0.377 hours, 0.00224 weeks, 5.15958e-4 months)  +
Issue date
May 23, 1994  +
LER number
2  +
LER year
1,994  +
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>.
16:05:44, 26 May 2025  +
NRC form
NRC Form 3E6 +  and NRC Form 366A +
Page count
7  +
Reporting criterion
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 50.73(a)(2) +  and 10 CFR 50.73(a)(2)(viii)(B) +
SOER
SOER 86-3 +
Site
North Anna +
Start date
May 23, 1994  +
State
Georgia +, Washington +  and Virginia +
System
Emergency Core Cooling System +
Title
:on 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced   +
Title:
On 940420,A Charging Pump Discharge Check Valve Failing to Seat Could Prevent Adequate HHSI Flow to Reactor Core Was Discovered.Cause Could Not Be Determined. Corrective Action:Valve Parts Were Replaced +
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::3381994002R02.pdf  +  and http://pbadupws.nrc.gov/docs/ML2006/ML20069B374.pdf  +
 
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