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Invalid Actuation of Turbine Driven Auxili … Invalid Actuation of Turbine Driven Auxiliary Feedwater (TDAFW) pump.</br>This telephone notification is being made under reporting requirements specified by 10 CFR 50.73(a)(2)(iv)(A) and 10 CFR 50.73(a)(1).</br>On 6/21/11 at 1308 EDT, during maintenance activities for replacement of relay UVTXSB/1732, associated with 6.9kv Emergency Bus 1B-SB undervoltage trip circuitry, an automatic start of the Turbine Driven Auxiliary Feedwater (TDAFW) pump occurred while using a new procedure, CM-E0032. At the time of the event, all steam generator levels were normal. The TDAFW pump was secured by Operations on 6/21/11 at 1311 EDT.</br>No actual condition existed that would require an automatic start of the TDAFW pump and therefore this event has been classified as an invalid actuation.</br>The start of the TDAFW is considered a complete train actuation. The system started and functioned successfully.</br>The licensee has notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
17:08:00, 21 June 2011 +
47,171 +
13:43:00, 19 August 2011 +
17:08:00, 21 June 2011 +
Invalid Actuation of Turbine Driven Auxili … Invalid Actuation of Turbine Driven Auxiliary Feedwater (TDAFW) pump.</br>This telephone notification is being made under reporting requirements specified by 10 CFR 50.73(a)(2)(iv)(A) and 10 CFR 50.73(a)(1).</br>On 6/21/11 at 1308 EDT, during maintenance activities for replacement of relay UVTXSB/1732, associated with 6.9kv Emergency Bus 1B-SB undervoltage trip circuitry, an automatic start of the Turbine Driven Auxiliary Feedwater (TDAFW) pump occurred while using a new procedure, CM-E0032. At the time of the event, all steam generator levels were normal. The TDAFW pump was secured by Operations on 6/21/11 at 1311 EDT.</br>No actual condition existed that would require an automatic start of the TDAFW pump and therefore this event has been classified as an invalid actuation.</br>The start of the TDAFW is considered a complete train actuation. The system started and functioned successfully.</br>The licensee has notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
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>.
100 +
00:00:00, 19 August 2011 +
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>.
02:06:17, 2 March 2018 +
13:43:00, 19 August 2011 +
true +
false +
58.858 d (1,412.58 hours, 8.408 weeks, 1.935 months) +
17:08:00, 21 June 2011 +
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.