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05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20094E200  +
Atomic Element
Boron +
CFR
10 CFR 50.73#a2iv +
Docket
05000327  +  and 00327  +
Emergency Facility
Technical Support Center +
From
Tennessee Valley Authority +, Proffitt J +  and Joshua Wilson +
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>.
05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +, 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +  and 05000327/LER-1991-027, :on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +
Issue date
January 13, 1992  +
LER number
27  +
LER year
1,991  +
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>.
14:42:30, 13 December 2024  +
NRC form
NRC Form 366, Licensee Event Report +
Page count
7  +
Reporting criterion
10 CFR 50.73(a)(2)(v), Loss of Safety Function +, 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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2) +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(viii)(B) +
SSC
D4l31-l61615l +  and 366A-U +
Site
Sequoyah +
Start date
January 13, 1992  +
State
Tennessee +, Georgia +, Maryland +  and Washington +
System
Steam Generator +, Reactor Coolant System +, Main Steam Isolation Valve +, Auxiliary Feedwater +, Main Steam Line +  and Main Steam +
Title
:on 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced   +
Title:
On 911213,manual Closure of MSIV Resulted in Inadvertent Cooldown of Rcs.Caused by Intermittent Failure of Steam Dump Valve Controller Resulting in Opening of Two Steam Dump Valves.Potentiometer Replaced +
To
Office of Information Resources Management +
Topic
Shutdown Margin +
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::3271991027R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2009/ML20094E200.pdf  +
 
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