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On March 08, 2017 at 0239 hours (EST), Sec … On March 08, 2017 at 0239 hours (EST), Secondary Containment Zone 3 (Unit 1 and 2 Reactor Building) differential pressure lowered to 0 (inches) WG due to a trip of the running Zone 3 Secondary Containment fans. The fan trip was caused by a human performance error during a Unit 2 outage related activity. Required differential pressure per SR 3.6.4.1.1 could not be maintained. Zone 3 differential pressure recovered to (greater than) 0.25 (inches) WG at 0255 hours after restart of Zone 3 Secondary Containment fans. All other Zones of Secondary Containment were unaffected by this event.</br>This event is being reported under 10 CFR 50.72(b)(3)(v)(C) and per the guidance of NUREG 1022 Rev. 3 section 3.2.7 as a loss of a Safety Function. There is no redundant Susquehanna Secondary Containment System.</br>The licensee informed the NRC Resident Inspector.ensee informed the NRC Resident Inspector. +
07:39:00, 8 March 2017 +
52,599 +
08:49:00, 8 March 2017 +
07:39:00, 8 March 2017 +
On March 08, 2017 at 0239 hours (EST), Sec … On March 08, 2017 at 0239 hours (EST), Secondary Containment Zone 3 (Unit 1 and 2 Reactor Building) differential pressure lowered to 0 (inches) WG due to a trip of the running Zone 3 Secondary Containment fans. The fan trip was caused by a human performance error during a Unit 2 outage related activity. Required differential pressure per SR 3.6.4.1.1 could not be maintained. Zone 3 differential pressure recovered to (greater than) 0.25 (inches) WG at 0255 hours after restart of Zone 3 Secondary Containment fans. All other Zones of Secondary Containment were unaffected by this event.</br>This event is being reported under 10 CFR 50.72(b)(3)(v)(C) and per the guidance of NUREG 1022 Rev. 3 section 3.2.7 as a loss of a Safety Function. There is no redundant Susquehanna Secondary Containment System.</br>The licensee informed the NRC Resident Inspector.ensee informed 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>.
00:00:00, 8 March 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>.
01:43:15, 2 March 2018 +
08:49:00, 8 March 2017 +
false +
0.0488 d (1.17 hours, 0.00696 weeks, 0.0016 months) +
07:39:00, 8 March 2017 +
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.