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At 04:05 hours EST, on February 17, 2009, … At 04:05 hours EST, on February 17, 2009, the Plant Process Computer System was removed from service to perform a planned maintenance on the inverter power supply. The plant computer provides monitoring capability for the Safety Parameter Display System (SPDS). The expected duration of plant computer inoperability is approximately 16 hours. The loss of the plant computer requires alternate methods, as described in plant procedures, to be used. Therefore, appropriate assessment of plant conditions, notifications and communications can still be made, if required, during the time that the plant computer is inoperable.</br>This report is being made in accordance with 10 CFR 50.72(b)(3)(xiii) which is any event that results in a major loss of emergency assessment capability, offsite response capability or offsite communications capability. As previously stated, alternate means remain available to assess plant conditions, make notifications and accomplish required communications, as necessary. An additional notification will be provided when plant computer operability is restored.</br>The NRC Senior Resident Inspector has been notified.</br>* * * UPDATE AT 1600 EST ON 02/17/09 FROM KENT MILLS TO S. SANDIN * * *</br>The SPDS was restored at 1545 EST.</br>The licensee informed the NRC Resident Inspector. Notified R1DO (Jackson).ident Inspector. Notified R1DO (Jackson). +
15:00:00, 17 February 2009 +
11:16:00, 17 February 2009 +
15:00:00, 17 February 2009 +
At 04:05 hours EST, on February 17, 2009, … At 04:05 hours EST, on February 17, 2009, the Plant Process Computer System was removed from service to perform a planned maintenance on the inverter power supply. The plant computer provides monitoring capability for the Safety Parameter Display System (SPDS). The expected duration of plant computer inoperability is approximately 16 hours. The loss of the plant computer requires alternate methods, as described in plant procedures, to be used. Therefore, appropriate assessment of plant conditions, notifications and communications can still be made, if required, during the time that the plant computer is inoperable.</br>This report is being made in accordance with 10 CFR 50.72(b)(3)(xiii) which is any event that results in a major loss of emergency assessment capability, offsite response capability or offsite communications capability. As previously stated, alternate means remain available to assess plant conditions, make notifications and accomplish required communications, as necessary. An additional notification will be provided when plant computer operability is restored.</br>The NRC Senior Resident Inspector has been notified.</br>* * * UPDATE AT 1600 EST ON 02/17/09 FROM KENT MILLS TO S. SANDIN * * *</br>The SPDS was restored at 1545 EST.</br>The licensee informed the NRC Resident Inspector. Notified R1DO (Jackson).ident Inspector. Notified R1DO (Jackson). +
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93 +
00:00:00, 17 February 2009 +
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>.
02:12:39, 2 March 2018 +
11:16:00, 17 February 2009 +
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-0.155 d (-3.73 hours, -0.0222 weeks, -0.00511 months) +
15:00:00, 17 February 2009 +
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