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05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20081H940  +
CFR
10 CFR 50.73#a2iv +
Docket
05000373  +  and 00373  +
From
Exelon +, Vinyard H +  and Diederich G +
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>.
05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +, 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +  and 05000373/LER-1991-006-05, :on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +
Issue date
June 17, 1991  +
LER number
6  +
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>.
12:51:27, 14 December 2024  +
Page count
4  +
Project stage
Request  +
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)(iii) +, 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) +
Site
LaSalle +
Start date
June 17, 1991  +
State
Washington +
System
Feedwater +
Title
:on 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled   +
Title:
On 910519,turbine-driven Auxiliary Feed Pump a Discharge Flow Decreased,Initiating Decrease in Reactor Water Level & Causing Reactor Scram.Caused by Control Valve Spontaneously Closing.Valve Cycled +
To
Office of Nuclear Reactor Regulation +
Topic
Reactor Vessel Water Level +
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::3731991006R05.pdf  +  and http://pbadupws.nrc.gov/docs/ML2008/ML20081H940.pdf  +
 
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