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05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic
Show incoming properties 
Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20077Q949  +
Atomic Element
Nitrogen +
CFR
10 CFR 50.73 +  and 10 CFR 50.73#a2iv +
Cross cutting aspect
H.2(n) +
Docket
05000352  +  and 00352  +
Equipment trip
Reactor Trip +
From
Exelon +, (FORMERLY PHILADELPHIA ELECTRIC +, Doering J +  and Madsen 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>.
05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +, 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +  and 05000352/LER-1991-019-01, :on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +
Hours
0.0106 d (0.255 hours, 0.00152 weeks, 3.496795e-4 months)  +, 0.0107 d (0.256 hours, 0.00152 weeks, 3.50821e-4 months)  +, 0.011 d (0.263 hours, 0.00157 weeks, 3.603335e-4 months)  +  and 0.014 d (0.336 hours, 0.002 weeks, 4.60405e-4 months)  +
Issue date
August 14, 1991  +
LER number
19  +
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>.
06:08:21, 15 December 2024  +
Page count
6  +
Procedure
ST +
Reporting criterion
10 CFR 50.73(a)(2)(iv), System Actuation +
Site
Limerick +
Site license
Limerick +
Start date
August 14, 1991  +
State
Washington +
System
Secondary containment +, Reactor Protection System +, Primary containment +, Reactor Recirculation Pump +, HVAC +  and Reactor Enclosure Recirculation System +
Title
:on 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic   +
Title:
On 910716,ESF Actuation Occurred Due to Loss of Power Distribution Panel.Caused by Spurious Actuations of Underfrequency Relay.Relay Replaced & Evaluation Performed Investigating Revs to Breaker Trip Logic +
To
Office of Information Resources Management +
Topic
Half scram +
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::3521991019R01.pdf  +  and http://pbadupws.nrc.gov/docs/ML2007/ML20077Q949.pdf  +
 
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