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Part 21 Reports: 2026

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Log No.

Notifier

Description

Report Date

Event No. / Accession No.

2026-05-00

D.C. Cook Nuclear Plant

Initial Report Notification Pursuant to 10 CFR Part 21.21 - Incorrect Tension Spring within Refurbishment Kit Used for K-Line Series 600V Breakers Supplied by ABB, Inc

02/04/2026

EN 58150

2026-04-00

Engine Systems Inc

10 CFR Part 21 Report No. 10CFR21-0140, Rev. 0 – EMD Cylinder Head P/N 40121485

01/30/2026

ML26033A212

2026-03-00

Paragon Energy Solutions, LLC 

10CFR Part 21 Initial Notification: P21-01282026, Rev. 0, Defect with Schneider Electric Actuator Part Number MA-418-0-0-4 

01/28/2026

ML26029A103

2026-02-00

James A. FitzPatrick Nuclear Power Plant (JAF)

Interim 10 CFR Part 21 Report of a Deviation or Failure to Comply Associated with General Electric HMA Type Auxiliary Relay, Model 12HMA124A2, Part Number DA137C6164P001 

01/22/2026

ML26022A344

2026-01-00

Sequoyah Nuclear Plant

10 CFR Part 21 Notification for FlowServe Limitorque Actuator/Motor Assemblies Model Numbers SMB-2 and SB-1

01/21/2026

EN 58123
 

Page Last Reviewed/Updated Friday, February 06, 2026

Page Last Reviewed/Updated Friday, February 06, 2026