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05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset
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Category
Licensee Event Report, TEXT-SAFETY REPORT  and LICENSEE EVENT REPORT (SEE ALSO AO RO)
Accession number
ML20247Q650  +
CFR
10 CFR 50.73#a2iiB +  and 10 CFR 50.72#b1iiB +
Docket
05000285  +  and 00285  +
From
Omaha Public Power District +, Morris K +  and Hollingsed M +
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>.
05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +, 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +  and 05000285/LER-1989-012, :on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +
Hours
0.0186 d (0.447 hours, 0.00266 weeks, 6.12605e-4 months)  +  and 0.0188 d (0.451 hours, 0.00269 weeks, 6.183125e-4 months)  +
Issue date
June 1, 1989  +
LER number
12  +
LER year
1,989  +
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>.
19:47:49, 16 March 2025  +
Page count
6  +
Reporting criterion
10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition +
Site
Fort Calhoun +
Start date
June 1, 1989  +
State
Washington +  and Nebraska +
System
Steam Generator +, Reactor Coolant System +, Feedwater +, Main Steam Line +  and Containment Spray +
Title
:on 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset   +
Title:
On 890502,determined That Main Feedwater Isolation Valve to a Steam Generator Inoperable Due to Improperly Set Torque Switch on Valve Motor Operator.Caused by Inadequate Maint Program.Switches Reset +
To
Office of Information Resources Management +
Topic
Shift Technical Advisor +  and Overspeed trip +
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::2851989012R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2024/ML20247Q650.pdf  +
 
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