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05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20127M295  +
Atomic Element
Hydrogen +  and Lead +
BECO-LTR
BECO-LTR-92-130 +
CFR
10 CFR 50.73 +, 10 CFR 50.72 +, 10 CFR 50.73#a2iB +  and 10 CFR 50.73#a2iv +
Cornerstone
Mitigating Systems +
Correspondence
BECO-LTR-92-130 +
Docket
05000293  +  and 00293  +
From
Richard Anderson +, Eversource Energy +  and Cannon R +
Generic letter
NRC Generic Letter 92-04, Resolution of the Issues Related to Reactor Vessel Water Level Instrumention in BWRs Pursuant to 10 CFR 50.54(f) +  and NRC Generic Letter 84-23, Reactor Vessel Water Level Instrumentation in BWRs +
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>.
05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +, 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +  and 05000293/LER-1992-013, :on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +
Hours
0.0258 d (0.619 hours, 0.00368 weeks, 8.47754e-4 months)  +  and 0.0267 d (0.64 hours, 0.00381 weeks, 8.76672e-4 months)  +
Issue date
November 23, 1992  +
LER number
13  +
LER year
1,992  +
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>.
19:02:56, 25 May 2025  +
NRC form
NRC Form 366, Licensee Event Report +  and NRC Form 3t +
Page count
10  +
Procedure
Emergency Plan +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +  and 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications +
SSC
07-92-130 +
Site
Pilgrim +
Site license
Pilgrim +
Start date
November 23, 1992  +
State
Washington +
System
Main Steam Isolation Valve +, Primary containment +, Main Steam Line +, Control Rod +  and Main Steam +
Title
:on 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed   +
Title:
On 921024,automatic Actuation of Main Steam Sys/Group 1 Portion of Primary Containment Isolation Control Sys Occurred Due to False High Rv Water Level Signal. Possible Internal Leakage Paths Addressed +
To
Office of Information Resources Management +
Topic
Reactor Vessel Water Level +  and Temporary Modification +
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::2931992013R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2012/ML20127M295.pdf  +
 
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