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05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change
Show incoming properties 
Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20079A949  +
CFR
10 CFR 50.73#a2iv +
Correspondence
L 150 +
Docket
05000259  +, 00259  +  and 00209  +
From
Tennessee Valley Authority +, Zeringue O +  and Wetzel S +
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>.
05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +, 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +  and 05000259/LER-1991-006-02, :on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +
Hours
0.0153 d (0.368 hours, 0.00219 weeks, 5.041625e-4 months)  +  and 0.0104 d (0.25 hours, 0.00149 weeks, 3.4245e-4 months)  +
Issue date
June 6, 1991  +
L
L 150 +
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>.
11:26:01, 26 May 2025  +
Page count
5  +
Procedure
ESP +
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) +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(1) +
Site
Browns Ferry +
Start date
June 6, 1991  +
State
Tennessee +, Georgia +, Maryland +  and Washington +
System
Control Room Emergency Ventilation +
Title
:on 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change   +
Title:
On 910507,unplanned ESF Actuation Occurred When Control Room Emergency Ventilation Sys Initiated. Caused by Design Which Made It Difficult to Perform Work. Util Will Evaluate Need for Design Change +
To
Office of Information Resources Management +
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::2591991006R02.pdf  +  and http://pbadupws.nrc.gov/docs/ML2007/ML20079A949.pdf  +
 
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