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An unresolved item (URI) was identified be … An unresolved item (URI) was identified because additional information from the licensee is required to evaluate a potential finding regarding SG tube damage caused by tube pulling activities in SG 4. During Unit 1 spring 2008 outage, the licensee planned to remove two straight tube sections in SG 4, locations R11C62 and R12C98. The purpose of this activity was to study certain Eddy Current indications that were obtained in these locations and compare them with the actual tube material condition. When the removal of the tube section in location R11C62 was in process, the activity was interrupted when the pulling equipment slipped and the tube did not move further, indicating an unusual problem for this type of evolution. The vendor performing this activity conducted further investigation and determined that the tube had not been completely cut despite the procedural checks indicating a complete cut. As a result of this activity, several tubes adjacent to tube R11C62 suffered damage in the U-bend and 7th support plate areas. The damaged tubes were re-inspected with Eddy Current Testing, stabilized, and repaired by plugging. The licensee performed an Operational Assessment to evaluate the post repair condition of the SGs and determined that the repaired tubes, as well as the rest of the tubes left in service, will maintain their structural integrity until the next inspection opportunity. This issue is unresolved pending completion of NRC review and analysis of the final root cause evaluation and is identified as URI 05000424/2008003- 02, Steam Generator Tube Damage as a Result of Tube Pulling Activities.ge as a Result of Tube Pulling Activities. +
23:59:59, 30 June 2008 +
23:59:59, 30 June 2008 +
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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E Crowe +, R Moore +, D Mas-Penaranda +, J Rivera-Ortiz +, E Morris +, G Kuzo +, T Chandler +, C Fletcher +, R Berryman +, Adam Nielsen +, Eric Michel +, Scott Shaeffer +, Gerald Mccoy +, Phil Niebaum +, Bruno Caballero +, Randy Patterson +, Robert Lewis +, Nielsene Michel +, R Williamsa +, Jonathan Rivera +, Charley Peabody + and Jeffrey Hamman +
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>.
00:35:16, 21 February 2018 +
E Crowe +, R Moore +, D Mas-Penaranda +, J Rivera-Ortiz +, E Morris +, G Kuzo +, T Chandler +, C Fletcher +, R Berryman +, Adam Nielsen +, Eric Michel +, Scott Shaeffer +, Gerald Mccoy +, Phil Niebaum +, Bruno Caballero +, Randy Patterson +, Robert Lewis +, Nielsene Michel +, R Williamsa +, Jonathan Rivera +, Charley Peabody + and Jeffrey Hamman +
23:59:59, 30 June 2008 +