ENS 40705
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ENS Event | |
|---|---|
22:11 Apr 26, 2004 | |
| Title | Technical Specifications Required Report of Steam Generator Defective Tubes |
| Event Description | During Refueling Outage RF13, interim results of 'A' Steam Generator (S/G) tube inspections indicate 59 tubes out of 5341 tubes (i.e., > 1 %) have been determined to be defective. This S/G tube inspection result for the 'A' S/G is classified as category C-3 in accordance with Technical Specification 5.5.9, Table 5.5.9-2. Per NUREG 1022, Section 3.2.4 Discussion (A)(3), the present C-3 classification of the 'A' S/G tubes does not meet the listed criteria for serious S/G tube degradation and thus is not a degraded or unanalyzed condition. Since this report is required by Administrative Technical Specification 5.5.9, this notification is being listed as an 'Other Unspecified Requirement'.
All defective tubes will be removed from service before the S/G is returned to service. There were no adverse safety consequences or implications as a result of this event. This event did not adversely affect the safe operation of Callaway Plant or the health and safety of the public. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
| Callaway Missouri (NRC Region 4) | |
| Reporting | |
| Other Unspec Reqmnt | |
| LER: | 05000483/LER-2004-006 A Steam Generator Tube Inspection Results Classified as C-3 |
| Time - Person (Reporting Time:+-2.08 h-0.0867 days <br />-0.0124 weeks <br />-0.00285 months <br />) | |
| Opened: | Bruce Bredeman 20:06 Apr 26, 2004 |
| NRC Officer: | Arlon Costa |
| Last Updated: | Apr 26, 2004 |
| 40705 - NRC Website
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WEEKMONTHYEARENS 559722022-05-02T04:05:0002 May 2022 04:05:00
[Table view]Other Unspec Reqmnt, 10 CFR 50.73(a)(1), Submit an LER Invalid Specified System Actuation ENS 445602008-10-11T05:49:00011 October 2008 05:49:00 Other Unspec Reqmnt Discovery of an After-The-Fact Notification of Unusual Event ENS 428522006-09-08T15:15:0008 September 2006 15:15:00 Other Unspec Reqmnt Discovery of After-The-Fact Emergency Condition: Inapproriate Change Made to Emergency Action Level 3J Back in 1997 Caused an Emergency, Alert, Not to Be Declared. ENS 413262005-01-12T19:30:00012 January 2005 19:30:00 Other Unspec Reqmnt, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition 24 Hour Condition of License Report Regarding Halon System Actuator Port Connection Error ENS 412052004-09-18T22:35:00018 September 2004 22:35:00 Other Unspec Reqmnt Discovery of After-The-Fact Emergency Condition (Unusual Event) ENS 407052004-04-26T22:11:00026 April 2004 22:11:00 Other Unspec Reqmnt Technical Specifications Required Report of Steam Generator Defective Tubes 2022-05-02T04:05:00 | |
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