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ENS 52764
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(iv)(A), System Actuation +  and 10 CFR 50.72#b3ivA +
Current power
0  +
Current reactor mode
Cold Shutdown +
Description
Pursuant to 10CFR50.72(b)(3)(iv)(A), notif … Pursuant to 10CFR50.72(b)(3)(iv)(A), notifications are being performed for a valid actuation of the reactor protection system resulting in a full scram. The actuation was a result of pre-startup testing. The generator coastdown protective relay was left in service which needed to be bypassed to facilitate the testing. This resulted in a reactor scram occurring.</br>The reactor was subcritical with all rods inserted at the time of the actuation. All systems functioned as designed.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
Discovered date
06:06:00, 19 May 2017  +
ENS id number
52,764  +
Emergency class
Non Emergency +
Entered date
08:48:00, 19 May 2017  +
Event date
06:06:00, 19 May 2017  +
Event description
Pursuant to 10CFR50.72(b)(3)(iv)(A), notif … Pursuant to 10CFR50.72(b)(3)(iv)(A), notifications are being performed for a valid actuation of the reactor protection system resulting in a full scram. The actuation was a result of pre-startup testing. The generator coastdown protective relay was left in service which needed to be bypassed to facilitate the testing. This resulted in a reactor scram occurring.</br>The reactor was subcritical with all rods inserted at the time of the actuation. All systems functioned as designed.</br>The licensee notified the NRC Resident Inspector.ensee 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>.
ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +, ENS 52764 +  and ENS 52764 +
Initial power
0  +
Initial reactor mode
Cold Shutdown +
Last update date
00:00:00, 19 May 2017  +
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>.
22:15:31, 24 September 2017  +
NRC officer
Bethany Cecere +
Notification date
08:48:00, 19 May 2017  +
Originated by
Jarrod Miller +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
CE +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(3)(iv)(A), System Actuation +
Reporting time
0.113 d (2.7 hours, 0.0161 weeks, 0.0037 months)  +
Site
Palisades +
Start date
06:06:00, 19 May 2017  +
State
Michigan +
System
Reactor Protection System +
Title
Valid Reactor Protection System Actuation While Shutdown  +
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://www.nrc.gov/reading-rm/doc-collections/event-status/event/2017/20170522en.html#en52764  +
Unit
1  +
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