ENS Event | |
|---|---|
05:00 Jul 5, 2023 | |
| Title | Part 21 Report - Relay Mechanical Problem |
| Event Description | The following information is a synopsis provided by the licensee via facsimile:
Cooper Nuclear Station completed an internal Part 21 evaluation concerning a batch of relays procured under the same purchase order from General Electric Hitachi. Following the failure of a relay, an independent laboratory identified a mechanical problem with the hinged armature, resulting in the relay potentially failing to return to its de-energized state. The relays are not currently installed in a safety related application. The NRC Resident has been notified. A written notification will be provided within 30 days. Affected known plants include only Cooper at the time of the notification. |
| Where | |
|---|---|
| Cooper Nuclear Power Plant Brownville, Nebraska (NRC Region 4) | |
| Organization: | Cooper Nuclear Power Plant |
| Reporting | |
| 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
| Time - Person (Reporting Time:+992.33 h41.347 days <br />5.907 weeks <br />1.359 months <br />) | |
| Opened: | David Van Der Kamp 13:20 Aug 15, 2023 |
| NRC Officer: | Brian P. Smith |
| Last Updated: | Aug 15, 2023 |
| 56679 - NRC Website | |
Cooper Nuclear Power Plant with 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
WEEKMONTHYEARENS 566792023-07-05T05:00:0005 July 2023 05:00:00
[Table view]10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Report - Relay Mechanical Problem 2023-07-05T05:00:00 | |