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05000361/FIN-2012007-04
Show incoming properties
Category
Finding
Cornerstone
Mitigating Systems +
Description
The team identified an unresolved item ass … The team identified an unresolved item associated with the dimensional controls of critical dimensions throughout the fabrication of Unit 2 and Unit 3 replacement steam generators. Based on the information gathered by the team on the differences in dimensional controls of critical parameters in Unit 2 and Unit 3 replacement steam generators, the team determined that Mitsubishi did not consider the potential impact of improving dimensional controls for tube roundness and anti-vibration bars on the final tube bundle clearances at normal operating conditions. Additional review by the NRC is required following completion of Mitsubishis cause evaluation to fully assess how the dimensional controls contributed to the tube-to-tube wear in Unit 3 and then determine whether this issue represents a performance deficiency or constitutes a violation of NRC requirements.nstitutes a violation of NRC requirements.  +
Discovered date
23:59:59, 30 June 2012  +
Docket
05000361  +  and 05000362  +
Event date
23:59:59, 30 June 2012  +
Finding integer
4  +
Finding type
URI +
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>.
05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +, 05000361/FIN-2012007-04 +  and 05000361/FIN-2012007-04 +
Identified by
NRC identified +
Inspection procedure
IP 93800 +
Inspection report
IR 05000361/2012007 +
Inspector
Ryan Lantz +, Greg Werner +, J Rivera Ortiz +, E Collins +, E Murphy +, G Warrier +, J Billoue +, V Dhir +, John Reynoso +, Michael Bloodgood +, J Ortega Luciano +, A Johnsona +, Howellc Thurston +  and Carl Thurston +
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>.
00:47:20, 21 February 2018  +
Person
Ryan Lantz +, Greg Werner +, J Rivera Ortiz +, E Collins +, E Murphy +, G Warrier +, J Billoue +, V Dhir +, John Reynoso +, Michael Bloodgood +, J Ortega Luciano +, A Johnsona +, Howellc Thurston +  and Carl Thurston +
Quarter
2012Q2 +
Site
San Onofre +
Start date
23:59:59, 30 June 2012  +
System
Steam Generator +
Title
Evaluation of Changes in Dimensional Controls During the Fabrication of Unit 2 and Unit 3 Replacement Steam Generators  +
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