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Monticello Nuclear Generating Plant is mak … Monticello Nuclear Generating Plant is making a telephone report in accordance with 10 CFR 50.73(a)(2)(iv)(A) Invalid Partial Actuation of the Standby Gas Treatment and Secondary Containment Isolation Systems due to an inappropriate operator action. This report is being made in lieu of a written Licensee Event Report.</br>At 0825 on 04/03/2008, an operator was performing an annunciator test of the Control Room panels and inappropriately pushed the 'A' Standby Gas Treatment system 'Test' pushbutton instead of the 'Lamp Test' pushbutton. He then immediately pushed the 'Reset' pushbutton which reset the Standby Gas Treatment train. The inappropriate actuation of the 'A' Standby Gas Treatment System resulted in the 'A' train momentarily starting, causing ventilation fans V-EF-10 and V-MZ-6 to trip. The immediate resetting of the system by depressing the 'Reset' pushbutton prevented a full secondary containment isolation.</br>All systems started and functioned successfully.</br>The cause of the invalid signal was the operator actuating the system by depressing the 'Test' pushbutton instead of the 'Lamp Test' pushbutton.</br>The NRC Resident Inspector was notified of this event report.</br>After the invalid actuation was completed, all systems affected were reset and returned to normal lineup. were reset and returned to normal lineup. +
11:25:00, 3 April 2008 +
44,211 +
19:13:00, 13 May 2008 +
11:25:00, 3 April 2008 +
Monticello Nuclear Generating Plant is mak … Monticello Nuclear Generating Plant is making a telephone report in accordance with 10 CFR 50.73(a)(2)(iv)(A) Invalid Partial Actuation of the Standby Gas Treatment and Secondary Containment Isolation Systems due to an inappropriate operator action. This report is being made in lieu of a written Licensee Event Report.</br>At 0825 on 04/03/2008, an operator was performing an annunciator test of the Control Room panels and inappropriately pushed the 'A' Standby Gas Treatment system 'Test' pushbutton instead of the 'Lamp Test' pushbutton. He then immediately pushed the 'Reset' pushbutton which reset the Standby Gas Treatment train. The inappropriate actuation of the 'A' Standby Gas Treatment System resulted in the 'A' train momentarily starting, causing ventilation fans V-EF-10 and V-MZ-6 to trip. The immediate resetting of the system by depressing the 'Reset' pushbutton prevented a full secondary containment isolation.</br>All systems started and functioned successfully.</br>The cause of the invalid signal was the operator actuating the system by depressing the 'Test' pushbutton instead of the 'Lamp Test' pushbutton.</br>The NRC Resident Inspector was notified of this event report.</br>After the invalid actuation was completed, all systems affected were reset and returned to normal lineup. were reset and returned to normal lineup. +
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, 13 May 2008 +
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>.
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19:13:00, 13 May 2008 +
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40.325 d (967.8 hours, 5.761 weeks, 1.326 months) +
11:25:00, 3 April 2008 +
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.