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05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML18033B052  +
CFR
10 CFR 50.73#a2iv +
Docket
05000296  +  and 00296  +
From
Tennessee Valley Authority +, Lalor M +  and Bynum J +
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>.
05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +, 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +  and 05000296/LER-1989-005-02, :on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +
Hours
0.00234 d (0.0561 hours, 3.339947e-4 weeks, 7.6861e-5 months)  +  and 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +
Issue date
November 20, 1989  +
LER
05000260/LER-8902-0 +, 05000260/LER-8801-1 +, 05000296/LER-8502-3 +  and 05000296/LER-8602-3 +
LER number
5  +
LER year
1,989  +
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>.
06:58:47, 7 January 2025  +
NRC form
NRC Form 366, Licensee Event Report +
Page count
12  +
Procedure
ST +
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 50.72(b)(3)(ii), Degraded or Unanalyzed Condition +, 10 CFR 50.73(a)(2)(viii)(A) +  and 10 CFR 50.73(a)(2)(viii)(B) +
Site
Browns Ferry +
Start date
November 20, 1989  +
State
Tennessee +, Georgia +, Washington +  and Alabama +
System
Control Room Emergency Ventilation +  and Primary containment +
Title
:on 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced   +
Title:
On 891025,two Radiation Monitors for Reactor & Refueling Zone Experienced Loss of Power & Tripped Upscale.Caused by Clearing of Fuse F1 on +24-volt Regulator Board.Power Supply Replaced +
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::2961989005R02.pdf  +  and http://pbadupws.nrc.gov/docs/ML1803/ML18033B052.pdf  +
 
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