Event Notification Report for May 08, 2026

FITNESS FOR DUTY

The following information was provided by the licensee via phone and email:

"On May 6, 2026, at 1018 CDT, Grand Gulf Nuclear Station was notified that a non-licensed supervisor violated the station's fitness for duty policy. The employee's unescorted access has been terminated at all Entergy facilities. This event was determined to be reportable under 10 CFR 26.719(b)(2)(ii).

"The NRC Resident Inspector has been notified."

PART 21 REPORT - NON-COMPLIANT INSULATED CONDUCTOR

* * * This is not a new Part 21 condition. This EN will document all updates for this Part 21 condition, originally documented in EN 57243 and described below, that are made after November 2025. Refer to EN 57243 for updates made after the initial notification through November 2025. * * *

The following is a synopsis of information received via fax:

A reel of insulated conductor was found non-compliant due to failure of insulation tensile and elongation at break test following air oven aging. Wire from the non-compliant reel was delivered to nine plants.
Affected plants: Wolf Creek, Dresden, LaSalle, Limerick, Peach Bottom, Arkansas Nuclear One, Waterford, Susquehanna, and Davis Besse.

Reporting company point of contact:
RSCC Wire and Cable LLC
dba Marmon Industrial Energy and Infrastructure
20 Bradley Park Road
East Granby, CT 06026

Phillip Sargenski - Quality Assurance Manager
Phone: 860-653-8376
Fax: 860-653-8301
Phillip.sargenski@marmoniei.com

* * * UPDATE ON 12/04/2025 AT 1602 EST FROM CAROL GROSSO TO KERBY SCALES * * *

The vendor provided an update on their ongoing evaluation. The vendor continues to receive product from their customers to perform testing and evaluations. Test results for completed testing have been forwarded to customers. The process is still ongoing.

Notified R1DO (Schussler), R3DO (Hills), R4DO (Deese), and Part 21 group via email.

* * * UPDATE ON 01/12/2026 AT 1351 EST FROM CAROL GROSSO TO BRIAN P. SMITH * * *

The vendor provided an update on their ongoing evaluation. The vendor continues to receive product from their customers to perform testing and evaluations. Test results for completed testing have been forwarded to customers. The process is still ongoing.

Notified R1DO (Schussler), R3DO (Feliz-Adorno), R4DO (Dixon), and Part 21 group via email.

* * * UPDATE ON 02/05/2026 AT 1313 EST FROM CAROL GROSSO TO ERNEST WEST * * *

The following information was provided by the licensee via email:

"RSCC is awaiting samples from customers to complete our evaluation. As such, the evaluation is ongoing. To date, there has been no issues with the product we've received and tested. Test results have been forwarded to customers who have provided samples. We will continue this evaluation until all samples have been provided and we complete our testing."

Notified R1DO (Bickett), R3DO (Nguyen), R4DO (O'Keefe), and Part 21 group via email.

* * * UPDATE ON 03/06/2026 AT 1239 EST FROM CAROL GROSSO TO JOSUE RAMIREZ * * *

The following information was provided by the licensee via email:

"RSCC is still awaiting samples from customers required to complete RSCC's verification testing. Therefore, the evaluation is ongoing. To date, there has been no issues with the product that have been received and tested. Test results have been forwarded to customers who have provided samples. RSCC will continue this evaluation until all samples have been provided and testing has been completed."

Notified R1DO (Eve), R3DO (Edwards), R4DO (Dixon), and Part 21 group via email.

* * * UPDATE ON 04/07/2026 AT 1310 EDT FROM CAROL GROSSO TO TENISHA MEADOWS * * *

The following information was provided by the licensee via email:

"RSCC is still awaiting samples from customers required to complete our verification testing. Therefore, the evaluation is ongoing. To date, there has been no issues with the product that have been received and tested. Test results have been forwarded to customers who have provided samples. RSCC will continue this evaluation until all samples have been sent to the facility for testing and the results will be forwarded to each customer."

Notified R1DO (Dentel), R3DO (Stoedter), R4DO (Bloodgood), and Part 21 group via email.

* * * UPDATE ON 05/07/2026 AT 0930 FROM CAROL GROSSO TO KAREN COTTON * * *

The following information was provided by the licensee via email:

"The evaluation and verification testing is still ongoing. The company is awaiting samples from the remaining customers to conclude this activity. To date, there have been no issues with the products that have been received and tested. Test results have been forwarded to customers who have provided samples. The company will continue this evaluation until all samples have been sent to the company's facility for testing and the results forwarded to each customer."

Notified R1DO (Lilliendahl), R3DO (Stoedter), R4DO (Agrawal), and Part 21 group via email.