ENS 46776: Difference between revisions
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| event date = 04/22/2011 CDT | | event date = 04/22/2011 CDT | ||
| last update date = 01/04/2012 | | last update date = 01/04/2012 | ||
| title = Potential Defect | | title = Potential Defect in Submersible Valve Position Sensors | ||
| event text = This letter is issued to provide notification of a potential defect in QualTech NP Top Potted Generation 3 Quick Disconnect Connector Pin Side assemblies installed on Topworx C7 and SV7 switches. All assemblies supplied prior to April 20, 2011 are potentially affected. These assemblies were supplied to Topworx [as] submergence qualified in accordance with our Test Report EGS-TR-23009-14. It was discovered during supplemental qualification testing that previously supplied assemblies may not properly seal against moisture intrusion if utilized in a submergence application. | | event text = This letter is issued to provide notification of a potential defect in QualTech NP Top Potted Generation 3 Quick Disconnect Connector Pin Side assemblies installed on Topworx C7 and SV7 switches. All assemblies supplied prior to April 20, 2011 are potentially affected. These assemblies were supplied to Topworx [as] submergence qualified in accordance with our Test Report EGS-TR-23009-14. It was discovered during supplemental qualification testing that previously supplied assemblies may not properly seal against moisture intrusion if utilized in a submergence application. | ||
The recommended corrective action for existing assemblies is to pressure test and, if required, repair them. Corrective actions already implemented will be effective in preventing recurrence of this condition. Additionally, all future assemblies will be required to pass pressure testing prior to acceptance. | The recommended corrective action for existing assemblies is to pressure test and, if required, repair them. Corrective actions already implemented will be effective in preventing recurrence of this condition. Additionally, all future assemblies will be required to pass pressure testing prior to acceptance. | ||
Latest revision as of 22:05, 1 March 2018
| Where | |
|---|---|
| Curtiss Wright Flow Control Co. Huntsville, Alabama (NRC Region 1) | |
| Organization: | Curtiss Wright Flow Control Co. |
| Reporting | |
| 10 CFR 21.21 | |
| Time - Person (Reporting Time:+7.77 h0.324 days <br />0.0462 weeks <br />0.0106 months <br />) | |
| Opened: | Tony Gill 12:46 Apr 22, 2011 |
| NRC Officer: | Mark Abramovitz |
| Last Updated: | Jan 4, 2012 |
| 46776 - NRC Website | |