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05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3
Show incoming properties 
Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20134D677  +
CFR
10 CFR 50.73#a2iB +  and 10 CFR 50.73#a2i +
Docket
05000245  +  and 00245  +
From
Robert Walpole +, NORTHEAST UTILITIES SERVICE CO. +, Harpster T +  and Northeast Nuclear Energy +
Generic letter
NRC Generic Letter 89-10, Safety-Related Motor-Operated Valve Testing and Surveillance +
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>.
05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +, 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +  and 05000245/LER-1996-052, :on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +
Issue date
October 21, 1996  +
LER number
52  +
LER year
1,996  +
Manufacturer
Limitorque +
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>.
10:58:18, 25 May 2025  +
NRC form
NRC Form 366A +, NRC Form 366, Licensee Event Report +  and NRC Form 36 +
NRC information notice
Information Notice 96-48 +
Page count
5  +
Reporting criterion
10 CFR 50.73(a)(2)(vii), Common Cause Inoperability +, 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications +, 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) +  and 10 CFR 50.73(e)(2)(iv) +
Site
Millstone +
Start date
October 21, 1996  +
State
Washington +
System
Primary containment +  and Reactor Water Cleanup +
TS
TS-3.7.D +
Title
:on 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3   +
Title:
On 960920,motor Operated Valves Unable to Close within Stroke Time Limits.Caused by Inadequate Design Margin.Performed Modifications to Ensure IC-2 Will Close & Installed Break Detection Sys Re CU-3 +
To
Office of Information Resources Management +
Topic
Stroke time +
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::2451996052R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2013/ML20134D677.pdf  +
 
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