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During the Unit 3 scram on 01/30/04 the re … During the Unit 3 scram on 01/30/04 the response of the feedwater level control system caused the RPV (Reactor Pressure Vessel) level to increase higher than expected. RPV level rose above the HPCI steam line. Calculations showed approximately 60 gallons of water entered the steam line.</br>This response could adversely affect the HPCI system should the same type of event occur and FWLC (Feedwater Level Control) respond the same way on Unit 2. Based on this information and no reasonable assurance that the same response will not occur, the Unit 2 HPCI system is conservatively being declared inoperable. HPCI remains available. Entering Tech Spec 3.5.1 Required Action F.1 (Isolation Condenser is OPERABLE) and F.2 (Restore HPCI to Operable status within 14 days).</br>A modification is being prepared to change the response of FWLC to preclude this adverse response during a transient.</br>The NRC Resident Inspector will be notified.e NRC Resident Inspector will be notified. +
10:00:00, 1 February 2004 +
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09:54:00, 1 February 2004 +
10:00:00, 1 February 2004 +
During the Unit 3 scram on 01/30/04 the re … During the Unit 3 scram on 01/30/04 the response of the feedwater level control system caused the RPV (Reactor Pressure Vessel) level to increase higher than expected. RPV level rose above the HPCI steam line. Calculations showed approximately 60 gallons of water entered the steam line.</br>This response could adversely affect the HPCI system should the same type of event occur and FWLC (Feedwater Level Control) respond the same way on Unit 2. Based on this information and no reasonable assurance that the same response will not occur, the Unit 2 HPCI system is conservatively being declared inoperable. HPCI remains available. Entering Tech Spec 3.5.1 Required Action F.1 (Isolation Condenser is OPERABLE) and F.2 (Restore HPCI to Operable status within 14 days).</br>A modification is being prepared to change the response of FWLC to preclude this adverse response during a transient.</br>The NRC Resident Inspector will be notified.e NRC Resident Inspector will be notified. +
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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>.
22:43:54, 24 September 2017 +
09:54:00, 1 February 2004 +
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10:00:00, 1 February 2004 +
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.