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Failure of Master Relay K507 (MidTex Part … Failure of Master Relay K507 (MidTex Part Number 15614D200) in the Solid State Protection System (SSPS) was attributed to corrosion caused by off-gassing of chlorine contamination from paper used to wrap the relay coil, or the adhesive used to attach the paper wrap to the coil. Master Relays must change state, upon energization, to actuate various safety related equipment in the plant. The failure of Master Relay K507 is considered to be a manufacturing defect in a basic component that could cause a loss of safety function.</br>The majority of MidTex relays investigated had cloth wrapped coils and these relays showed no evidence of corrosion.</br>The number of affected relays and installed locations was not available at the time of the initial notification.</br>The licensee will notify the NRC Resident Inspector.ee will notify the NRC Resident Inspector. +
05:00:00, 3 October 2003 +
40,364 +
14:37:00, 1 December 2003 +
05:00:00, 3 October 2003 +
Failure of Master Relay K507 (MidTex Part … Failure of Master Relay K507 (MidTex Part Number 15614D200) in the Solid State Protection System (SSPS) was attributed to corrosion caused by off-gassing of chlorine contamination from paper used to wrap the relay coil, or the adhesive used to attach the paper wrap to the coil. Master Relays must change state, upon energization, to actuate various safety related equipment in the plant. The failure of Master Relay K507 is considered to be a manufacturing defect in a basic component that could cause a loss of safety function.</br>The majority of MidTex relays investigated had cloth wrapped coils and these relays showed no evidence of corrosion.</br>The number of affected relays and installed locations was not available at the time of the initial notification.</br>The licensee will notify the NRC Resident Inspector.ee will notify 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>.
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00:00:00, 1 December 2003 +
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>.
02:24:39, 2 March 2018 +
14:37:00, 1 December 2003 +
true +
false +
59.359 d (1,424.62 hours, 8.48 weeks, 1.951 months) +
05:00:00, 3 October 2003 +
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.