ENS Event | |
|---|---|
04:00 Apr 5, 2023 | |
| Title | Part 21 - Relay Card Potential Defect |
| Event Description | The following information summary was provided by the licensee via email:
On April 5th, 2023, Duke Catawba Nuclear Station informed Paragon of a failure of a Trane External Auto/Stop and Emergency Stop relay card (Part Number: X13650728-06) in a chiller control system. Analysis of the failed relay card identified minor delamination and water intrusion of the microcontroller chip. Ongoing evaluation is expected to be completed by 7/15/23. Potential plants affected: Nine Mile Point, Catawba, River Bend, McGuire. |
| Where | |
|---|---|
| Paragon Energy Solutions York, South Carolina (NRC Region 1) | |
| Organization: | Paragon Energy Solutions |
| Reporting | |
| 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component | |
| Time - Person (Reporting Time:+1478.42 h61.601 days <br />8.8 weeks <br />2.025 months <br />) | |
| Opened: | Richard Knott 18:25 Jun 5, 2023 |
| NRC Officer: | Sam Colvard |
| Last Updated: | Jun 6, 2023 |
| 56557 - NRC Website | |
Paragon Energy Solutions with 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component | |
WEEKMONTHYEARENS 570792024-02-15T05:00:00015 February 2024 05:00:00
[Table view]10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component Initial Part 21 Report - Potential Defect with Circuit Breaker ENS 566532023-08-03T00:00:0003 August 2023 00:00:00 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect, 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component Initial Part 21 Report - Defect with Eaton/Cutler Hammer Size 4 and 5 Freedom Series Contactors ENS 565572023-04-05T04:00:0005 April 2023 04:00:00 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component Part 21 - Relay Card Potential Defect ENS 551622021-03-30T21:50:00030 March 2021 21:50:00 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component Part 21 - Failure of Size 1 and 2 Freedom Series Fvr Starters ENS 530022017-10-06T04:00:0006 October 2017 04:00:00 10 CFR 21.21(a)(2), Interim Report for Comply or Defect in Component Part 21 Interim Report - Switch with Unacceptable Chatter 2024-02-15T05:00:00 | |