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05000296/LER-1998-007, :on 981116,unplanned ESF Following Loss of 4kV Unit Board 3B Occurred.Caused by Temporary Energization of Lockout Relay on 4kV Unit Board 3B When Resistor on Relay Monitoring Lamp Circuit Shorted.Replaced Resistor

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Category

TEXT-SAFETY REPORT, LICENSEE EVENT REPORT (SEE ALSO AO RO) and Licensee Event Report

Accession number

ML18039A647 +

CFR

10 CFR 50.73#a2iv + and 10 CFR 50.72#b2ii +

Docket

05000296 + and 00296 +

From

Tennessee Valley Authority + and Morrison 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>.

Hours

0.0179 d (0.429 hours, 0.00255 weeks, 5.878725e-4 months) +, 0.0166 d (0.399 hours, 0.00237 weeks, 5.460175e-4 months) +, 0.0166 d (0.399 hours, 0.00237 weeks, 5.46398e-4 months) + and 0.0197 d (0.474 hours, 0.00282 weeks, 6.49133e-4 months) +

December 15, 1998 +

7 +

1,998 +

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>.

16:19:39, 6 January 2025 +

NRC form

NRC Form 366A + and NRC Form 366, Licensee Event Report +

Page count

12 +

Power source

4kV +

Processing error"Processing error" is a predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> and represents errors that appeared in connection with improper value annotations or input processing.

05000296/LER-1998-007, :on 981116,unplanned ESF Following Loss of 4kV Unit Board 3B Occurred.Caused by Temporary Energization of Lockout Relay on 4kV Unit Board 3B When Resistor on Relay Monitoring Lamp Circuit Shorted.Replaced Resistor + and 05000296/LER-1998-007, :on 981116,unplanned ESF Following Loss of 4kV Unit Board 3B Occurred.Caused by Temporary Energization of Lockout Relay on 4kV Unit Board 3B When Resistor on Relay Monitoring Lamp Circuit Shorted.Replaced Resistor +

Request +

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)(x) +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition + and 10 CFR 50.73(a)(2)(viii) +

December 15, 1998 +

Secondary containment +, Reactor Protection System +, Primary Containment Isolation System +, Primary containment +, Reactor Water Cleanup +, Control Room Emergency Ventilation + and Emergency Equipment Cooling Water +

Title

:on 981116,unplanned ESF Following Loss of 4kV Unit Board 3B Occurred.Caused by Temporary Energization of Lockout Relay on 4kV Unit Board 3B When Resistor on Relay Monitoring Lamp Circuit Shorted.Replaced Resistor +

Title:

On 981116,unplanned ESF Following Loss of 4kV Unit Board 3B Occurred.Caused by Temporary Energization of Lockout Relay on 4kV Unit Board 3B When Resistor on Relay Monitoring Lamp Circuit Shorted.Replaced Resistor +

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.

http://pbadupws.nrc.gov/docs/ML1803/ML18039A647.pdf + and https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::2961998007R00.pdf +

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