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ENS 41339
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Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +
Current power
0  +
Current reactor mode
Hot Shutdown +
Description
At 0212 plant operators inserted a manual … At 0212 plant operators inserted a manual reactor scram and tripped the main turbine while at 100% power due to indications and alarms of a generator field ground fault. All rods fully inserted and there were no indications of any relief valves lifting. The reactor water level is being controlled within the normal band with feed pump "C" and reactor pressure is being controlled with bypass valves at 800-1090 psig. Also the "A" heater drain pump tripped during the reactor scram due to the water level in the third port heater. The licensee is investigating the cause.</br>The NRC Resident Inspector was notified.. The NRC Resident Inspector was notified.  +
Discovered date
08:12:00, 15 January 2005  +
ENS id number
41,339  +
Emergency class
Non Emergency +
Entered date
05:08:00, 15 January 2005  +
Event date
08:12:00, 15 January 2005  +
Event description
At 0212 plant operators inserted a manual … At 0212 plant operators inserted a manual reactor scram and tripped the main turbine while at 100% power due to indications and alarms of a generator field ground fault. All rods fully inserted and there were no indications of any relief valves lifting. The reactor water level is being controlled within the normal band with feed pump "C" and reactor pressure is being controlled with bypass valves at 800-1090 psig. Also the "A" heater drain pump tripped during the reactor scram due to the water level in the third port heater. The licensee is investigating the cause.</br>The NRC Resident Inspector was notified.. The NRC Resident Inspector was notified.  +
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 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +, ENS 41339 +  and ENS 41339 +
Initial power
100  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 15 January 2005  +
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>.
02:21:58, 2 March 2018  +
NRC officer
Chauncey Gould +
Notification date
05:08:00, 15 January 2005  +
Originated by
Dan Pipkin +
Reactor critical
true  +
Reactor scram
true  +
Reactor type
GE-6 +
Region
NRC Region 4 +
Reporting criterion
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +
Reporting time
-0.128 d (-3.07 hours, -0.0183 weeks, -0.00421 months)  +
Scram
Manual Scram +
Site
River Bend +
Start date
08:12:00, 15 January 2005  +
State
Louisiana +
System
Main Turbine +
Title
Manual Reactor Scram Due to Receiving a Main Generator Alarm  +
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/2005/20050118en.html#en41339  +
Unit
1  +
 
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