ENS 56085: Difference between revisions
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| NRC officer = Adam Koziol | | NRC officer = Adam Koziol | ||
| event date = 08/31/2022 12:00 EDT | | event date = 08/31/2022 12:00 EDT | ||
| last update date = 09/ | | last update date = 09/07/2022 | ||
| title = Part 21 Report - Incorrect Thread Length on Locknuts | | title = Part 21 Report - Incorrect Thread Length on Locknuts | ||
| event text = The following information was provided by the licensee via email: | | event text = The following information was provided by the licensee via email: | ||
| Line 28: | Line 28: | ||
A Nonconformance Report has been issued which describes with as much information as possible to give a clear understanding and description of the nonconforming condition as found. The evaluation of the nonconformance report and the corrective action to be taken shall be completed by authorized personnel at Diversified Machine in a timely manner. | A Nonconformance Report has been issued which describes with as much information as possible to give a clear understanding and description of the nonconforming condition as found. The evaluation of the nonconformance report and the corrective action to be taken shall be completed by authorized personnel at Diversified Machine in a timely manner. | ||
Diversified Machine shall continue to communicate with Howden as required. If there are any questions pertaining to this communication, please feel free to contact me at 440-942-5701. | Diversified Machine shall continue to communicate with Howden as required. If there are any questions pertaining to this communication, please feel free to contact me at 440-942-5701. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/ | * * * UPDATE ON 9/7/2022 AT 1158 EDT FROM ADAM GAUSE TO MICHAEL BLOODGOOD * * * | ||
The following information was provided by Diversified Machine Components via email: | |||
The basic component that contains the defect is part number 00900490-00114N. The lock nut has been machined with a counterbore removing half of the threads from the nut. | |||
After removal they discovered the nut that stripped was miss machined and only had threads in less than 1/2 of the bore. | |||
Known affected plants: | |||
Ameren Callaway Plant | |||
ASCO NPP (Howden Customer - Ergytech, Inc.) | |||
Notified R1DO (Defrancisco), R3DO (Orlikowski), R4DO (Pick) and via email: Part 21 Materials and Part 21 Reactors | |||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2022/20220908en.html#en56085 | |||
}} | }} | ||
{{ENS-Nav}} | {{ENS-Nav}} | ||
Latest revision as of 07:30, 8 September 2022
| Where | |
|---|---|
| Diversified Machine Components, Llc Brook Park, Ohio (NRC Region 3) | |
| Organization: | Diversified Machine Components, Llc |
| Reporting | |
| 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
| Time - Person (Reporting Time:+43.33 h1.805 days <br />0.258 weeks <br />0.0594 months <br />) | |
| Opened: | Ronald T. Harris 11:20 Sep 2, 2022 |
| NRC Officer: | Adam Koziol |
| Last Updated: | Sep 7, 2022 |
| 56085 - NRC Website | |