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On August 31, 2006 at 1530 EST Seabrook St … On August 31, 2006 at 1530 EST Seabrook Station initiated a plant shutdown in accordance with TS 3.8.1.1 Action (f). On August 28, 2006 the Train 'A' Emergency Diesel Generator (EDG) was removed from service for planned maintenance. During the planned maintenance, an emergent issue (suspected diode failure on the control circuitry) was discovered. That required starting the Train 'B' EDG in accordance with the provisions of TS 3.8.1.1 Action (b). During the start of the Train 'B' EDG a voltage control anomaly was discovered that required the Train 'B' EDG to also be declared inoperable.</br>With two EDG's inoperable, TS 3.8.1.1 requires a plant shutdown. This event is reportable pursuant to 10CFR50.72(b)(2)(i) as the initiation of plant shutdown required by the plant's Technical Specifications. The Station currently has all three offsite power supplies and the Supplemental Emergency Power System operable.</br>The licensee is in the process of shutting down and is currently at 60% power at a 20%/hr ramp rate with the intention of entering Mode 3. </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
19:30:00, 31 August 2006 +
16:35:00, 31 August 2006 +
19:30:00, 31 August 2006 +
On August 31, 2006 at 1530 EST Seabrook St … On August 31, 2006 at 1530 EST Seabrook Station initiated a plant shutdown in accordance with TS 3.8.1.1 Action (f). On August 28, 2006 the Train 'A' Emergency Diesel Generator (EDG) was removed from service for planned maintenance. During the planned maintenance, an emergent issue (suspected diode failure on the control circuitry) was discovered. That required starting the Train 'B' EDG in accordance with the provisions of TS 3.8.1.1 Action (b). During the start of the Train 'B' EDG a voltage control anomaly was discovered that required the Train 'B' EDG to also be declared inoperable.</br>With two EDG's inoperable, TS 3.8.1.1 requires a plant shutdown. This event is reportable pursuant to 10CFR50.72(b)(2)(i) as the initiation of plant shutdown required by the plant's Technical Specifications. The Station currently has all three offsite power supplies and the Supplemental Emergency Power System operable.</br>The licensee is in the process of shutting down and is currently at 60% power at a 20%/hr ramp rate with the intention of entering Mode 3. </br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector. +
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100 +
00:00:00, 31 August 2006 +
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>.
02:18:07, 2 March 2018 +
16:35:00, 31 August 2006 +
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false +
-0.122 d (-2.92 hours, -0.0174 weeks, -0.004 months) +
19:30:00, 31 August 2006 +
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