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The observed aging characteristics of the … The observed aging characteristics of the Solid State Relays on two particular Voter Relay Logic Cards Modules present a future challenge to the Power Range Neutron Monitoring System's ability to reliably insert the Average Power Range Monitor High-High/INOP scram and/or the Oscillating Power Range Monitor Scram to the Reactor Protection System in plant conditions warrant such action.</br>For Relay Logic Cards that have been in operation for over 10 years, Relay Logic Card Module replacement should be scheduled and accomplished at the first reasonable opportunity.</br>For Relay Logic Cards in operation for less than 10 years, a program should be implemented to replace Relay Logic Card Modules before the 10 years is reached.</br>Plant affected; Nine Mile Point 2, Fermi 2, Grand Gulf, Limerick 1 & 2, Peach Bottom 2 & 3, Susquehanna 1&2, Brunswick 1 & 2, Hatch 1 & 2, Browns Ferry 1, 2, & 3, Monticello, and Columbia.h 1 & 2, Browns Ferry 1, 2, & 3, Monticello, and Columbia. +
05:00:00, 9 October 2013 +
49,610 +
16:35:00, 5 December 2013 +
05:00:00, 9 October 2013 +
The observed aging characteristics of the … The observed aging characteristics of the Solid State Relays on two particular Voter Relay Logic Cards Modules present a future challenge to the Power Range Neutron Monitoring System's ability to reliably insert the Average Power Range Monitor High-High/INOP scram and/or the Oscillating Power Range Monitor Scram to the Reactor Protection System in plant conditions warrant such action.</br>For Relay Logic Cards that have been in operation for over 10 years, Relay Logic Card Module replacement should be scheduled and accomplished at the first reasonable opportunity.</br>For Relay Logic Cards in operation for less than 10 years, a program should be implemented to replace Relay Logic Card Modules before the 10 years is reached.</br>Plant affected; Nine Mile Point 2, Fermi 2, Grand Gulf, Limerick 1 & 2, Peach Bottom 2 & 3, Susquehanna 1&2, Brunswick 1 & 2, Hatch 1 & 2, Browns Ferry 1, 2, & 3, Monticello, and Columbia.h 1 & 2, Browns Ferry 1, 2, & 3, Monticello, and Columbia. +
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, 5 December 2013 +
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>.
01:52:25, 2 March 2018 +
16:35:00, 5 December 2013 +
57.441 d (1,378.58 hours, 8.206 weeks, 1.888 months) +
05:00:00, 9 October 2013 +
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.