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Part 21 Reports: 2024

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Log No.

Notifier

Description

Report Date

Event No. / Accession No.

2024-37-02

Ametek Solidstate Controls, Inc

Final Report of a Deviation Associated with Ametek Regulating Transformer Model 85-IS0150-14

08/20/2025

ML25238A018

2024-37-01   

Ametek Solidstate Controls, Inc

Interim Report of a Deviation Associated with Ametek Regulating Transformer Models 85-IS0075-12 and 85-IS0150-14

03/11/2025

ML25073A045

2024-37-00

Ametek Solidstate Controls, Inc

Interim Report of a Deviation Associated with Ametek Regulating Transformer Models 85-IS0075-12 and 85-IS0150-14

12/28/2024

ML24365A117

2024-36-01

FitzPatrick Nuclear Power Plant 

Closure of Interim Report of a Deviation Associated with General Electric Thermal Overload Relay, Model CR124G011, Part Number DD317A7861P003  

02/28/2025

ML25059A254

2024-36-00 

FitzPatrick Nuclear Power Plant 

Interim Report of a Deviation Associated with General Electric Thermal Overload Relay, Model CR124G011, Part Number DD317A7861P003 

11/22/2024

ML24330A242

2024-35-03

Valcor Engineering Corporation

Interim 10 CFR Part 21 Report Regarding Columbia Generating Station (CGS) - Part 21 Notification EN 57785

08/27/2025

ML25241A112

2024-35-02

Columbia Generating Station

Updated Report of a Deviation Associated with O-Rings for Solenoid Valves Pursuant to 10 CFR 21.21(d)(3)(ii)

07/17/2025

ML25198A329

2024-35-01

Columbia Generating Station

Part 21 - Valcor Solenoid Valve Defect Identified

06/26/2025

ML25178A801

2024-35-00

Columbia Generating Station 

Interim Report of a Deviation Associated with a Substitute Compound O-ring for Type V70900-45 Valves 

11/21/2024

ML24326A362

2024-34-01

Nextra Energy Seabrook, LLC

Final Report of a Deviation Associated with a GE Hitachi Relay CR120B (Model #DD945E118P0060) 

12/02/2024

ML24337A132

2024-34-00

Nextra Energy Seabrook, LLC

Interim Report of a Deviation Associated with a GE Hitachi Relay CR120B (Model #DD945E118P0060)

11/14/2024

ML24320A089

2024-33-03

Ametek Solidstate Controls, Inc

Updated Final Report of a Deviation Associated with a Battery Charger Printed Circuit Board, Ametek Part #80-9214031-90, with a Locator of X302, Capacitor’s C35 and C36 

03/13/2025

ML25073A045

2024-33-02

Ametek Solidstate Controls, Inc

Final Report of a Deviation Associated with a Battery Charger Printed Circuit Board, Ametek Part #80-9214031-90, with a Locator of X302, Capacitor’s C35 and C36

02/27/2025

ML25062A274

2024-33-01

Duke Energy Carolinas, LLC

Interim Report of a Deviation Associated with a Battery Charger Printed Circuit Board, Ametek Part #80-921-4031-9 

01/31/2025

ML25034A112

2024-33-00

Duke Energy Carolinas, LLC

Interim Report of a Deviation Associated with a Battery Charger Printed Circuit Board, Ametek Part#80-921-4031-9 

10/28/2024

ML24303A185

2024-32-01

North Anna Power Station 

Interim Report of a Deviation Associated with a Molded Case Switch, Model: Eaton J250K 

10/28/2024

ML24302A240 

2024-32-00

North Anna Power Station

Interim Report of a Deviation Associated with a Molded Case Switch, Model: Eaton J250K

10/09/2024

EN 57370

2024-31-00

MPR Associates, Inc

Interim Report of a Deviation Associated with Non-Compliant Contactors, Models AF80 and AF116

10/04/2024

ML24281A066

2024-30-01

NextEra Energy

Final Report of a Deviation Associated with a Westinghouse Relay, Model NBFD31S 

10/08/2024

ML24282A785

2024-30-00

NextEra Energy

Interim Report of a Deviation Associated with a Westinghouse Relay, Model NBFD31S

09/18/2024

ML24262A223

2024-29-00

Southern Nuclear Operating Co, Inc

Interim Report of a Deviation Associated with a ETAP Software Error in Transient Stability Program

09/09/2024

ML24253A170

2024-28-01

Diablo Canyon Power Plant

Interim Report of a Deviation Associated with ALCO Snubber Valve Assemblies Part Number 2402466

09/09/2024

ML24255A090

2024-28-00

Diablo Canyon Power Plant

Interim Report of a Deviation Associated with ALCO Snubber Valve Assemblies Part Number 2402466

08/15/2024

EN 57271

2024-27-01

Browns Ferry Nuclear Plant 

Retraction of Interim Report of a Deviation Associated with a Fike Metal Products 16-inch Rupture Disc, Part Number 16-CPV-C 

08/22/2024

EN 57245

2024-27-00

Browns Ferry Nuclear Plant 

Interim Report of a Deviation Associated with a Fike Metal Products 16-inch Rupture Disc, Part Number 16-CPV-C

07/25/2024

EN 57245

2024-26-13

RSCC Wire & Cable LLC

Part 21 Report - Non-Compliant Insulated Conductor - Update

11/13/2025

ML25321A725

2024-26-12

RSCC Wire & Cable LLC

Part 21 Report - Non-Compliant Insulated Conductor - Update

10/01/2025

EN 57243

2024-26-11

RSCC Wire & Cable LLC

Part 21 Report - Non-Compliant Insulated Conductor - Update

09/09/2025

ML25253A315

2024-26-10

RSCC Wire & Cable LLC

Part 21 Report - Non-Compliant Insulated Conductor - Update

07/02/2025

EN 57243

2024-26-09

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor  

06/03/2025

ML25160A205 

2024-26-08

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

05/06/2025

ML25126A150

2024-26-07

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

03/28/2025

ML25097A281

2024-26-06

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor  

02/13/2025

ML25045A198

2024-26-05

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor 

10/28/2024

ML24302A277

2024-26-04

RSCC Wire & Cable LLC  

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

09/26/2024

ML24274A124

2024-26-03

RSCC Wire & Cable LLC

Update to Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

09/17/2024

ML24262A083

2024-26-02

RSCC Wire & Cable LLC

Retraction of Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

09/06/2024

ML24255A864

2024-26-01

RSCC Wire & Cable LLC 

Final Report of a Deviation Associated with a Non-compliant Insulated Conductor

08/23/2024

ML24239A397 

2024-26-00

RSCC Wire & Cable LLC

Interim Report of a Deviation Associated with a Non-compliant Insulated Conductor

07/25/2024

ML24208A096

2024-25-02

Westinghouse Electric Co

Updated Interim Report of a Deviation Associated with Westinghouse-supplied Generation 2 and 3 CR-99 and Trident X Control Rod Blades

03/24/2025

ML25083A010

2024-25-01

Westinghouse Electric Co

Interim Report of a Deviation Associated with Westinghouse-supplied Generation 3 CR-99 and Trident X Control Rod Blades 

09/04/2024

ML24249A136

2024-25-00

Westinghouse Electric Co 

Interim Report of a Deviation Associated with Westinghouse-supplied Generation 3 CR-99 Control Rod Blades 

07/21/2024 

ML24203A001

2024-24-04

Tennessee Valley Authority

10 CFR 21 Notification -- Defect Associated with Anchor Darling Double-disc Gate Valve 

07/10/2025

ML25191A041

2024-24-03

Tennessee Valley Authority

PART 21 - Improper Upper Wedge-to-Stem Joint in a Commercially Sourced Double-Disc Gate Valve 

06/10/2025

EN 57751 

2024-24-02

Tennessee Valley Authority

Updated Report of a Deviation Associated with a Valve in the Unit 3 High Pressure Coolant Injection System 

11/27/2024

ML24332A037

2024-24-01

Tennessee Valley Authority

Updated Report of a Deviation Associated with a Valve in the Unit 3 High Pressure Coolant Injection System

08/22/2024 

ML24235A497

2024-24-00

Tennessee Valley Authority

Interim Report of a Deviation Associated with a Valve in the Unit 3 High Pressure Coolant Injection System

06/23/2024

ML24175A004

2024-23-00

Framatome

Part 21 Notification of a Deviation Associated with Burnable Poison Rod Assemblies

06/22/2024

ML24177A169

2024-22-00

Flowserve Corp

Interim Report of a Deviation Associated with a ½" 1878 Piston Check Valve with adjustable cracking pressure SN: 96CEE 

06/11/2024 

ML24170A863

2024-21-00

Diablo Canyon Power Plant, Units 1 and 2 

Interim Report of a Deviation Associated with Emergency Diesel Generator Fuel Snubber Valve Assembly 

05/28/2024 

ML24149A357

2024-20-01

Paragon Energy Solutions

Final Report of a Deviation Associated with an Emergency Diesel Generator Voltage Regulator

06/21/2024 

ML24176A101

2024-20-00

Paragon Energy Solutions

Interim Report of a Deviation Associated with an Emergency Diesel Generator Voltage Regulator

05/24/2024 

ML24149A160 

2024-19-00

TE Connectivity

Interim Report of a Deviation Associated with Non-compliant Material Used in the Potting of the Coils for E7000 Series Relays

04/23/2024

ML24128A237

2024-18-01 

Sequoyah Nuclear Plant 

Retraction of Interim Report of a Deviation or Failure to Comply – Transducer Model 8005N

06/24/2024

ML24176A022

2024-18-00

Sequoyah Nuclear Plant

Interim Report of a Deviation or Failure to Comply – Transducer Model 8005N

04/25/2024

ML24116A261

2024-17-00

Global Nuclear Fuel

Part 21 Final Report Notification: GNF3 Spacer Relocation

04/22/2024  

ML24113A202

2024-16-00

Farley Nuclear Plant

10 CFR Part 21 Report for Siemens Low Voltage AKW Circuit Breaker

04/15/2024

ML24106A162

2024-15-04  

Paragon Energy

Retraction of Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000

07/27/2024

ML24211A087

2024-15-03 

Paragon Energy Solutions

Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000

06/29/2024

ML24183A235

2024-15-02

Paragon Energy Solutions

Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000

05/31/2024

ML24155A091

2024-15-01

Paragon Energy Solutions

Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000

05/02/2024

ML24127A089

2024-15-00

Paragon Energy Solutions

Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000 

04/16/2024

ML24108A079

2024-14-00

Engine Systems Inc

Interim Report of a Deviation Associated with a Leaking Cylinder Liner in Emergency Diesel Generator

04/12/2024

ML24107A697

2024-13-00

Transco Products Inc

Interim Report of a Deviation Associated with Unverified Critical Characteristics of Darmatt KM-1 Flat Board

04/09/2024

ML24103A202

2024-12-00

Diablo Canyon Power Plant

10 CFR Part 21 Interim Report Regarding Mechanical Snubbers  

04/03/2024

ML24095A157

2024-11-00

Alpha-Omega Services, Inc

Interim Report of a Deviation Associated with Failure to Comply with Testing Requirements

03/18/2024

ML24086A017

2024-10-01

Cooper Nuclear Station

10 CFR Part 21 Report Regarding Service Water Booster Pump Bearing Housing Covers

03/27/2024

ML24087A214

2024-10-00

Cooper Nuclear Station 

Interim Report of a Deviation Associated with a Residual Heat Removal Service Water Booster Pump Bearing Housing Cover Oil Leak 

03/01/2024 

EN 57001

2024-09-00

Fairbanks Morse

Interim Report of a Deviation Associated with Synchro-Start Mini-Gen Signal Generator, Woodward Part Number (PN) SA-3176-D; Fairbanks Morse PN 16302997

02/25/2024

ML24057A338 

2024-08-00

Fairbanks Morse

Interim Report of a Deviation Associated with Air Start Valve ASCO Part Number (PN) X300529797001HN, Fairbanks Morse PN 11916969

02/25/2024

ML24057A337

2024-07-02 

Xcel Energy / Prairie Island Nuclear Generating Plant

Closure of Interim Report of a Deviation Associated with Bentley Systems Incorporated AutoPIPE Software

10/03/2024

ML24277A101

2024-07-01

Xcel Energy / Prairie Island Nuclear Generating Plant

Interim Report of a Potential Deviation or Failure to Comply Associated with Bentley Systems Incorporated AutoPIPE Software (Update)

04/09/2024

ML24101A063

2024-07-00

Xcel Energy / Prairie Island Nuclear Generating Plant 

Interim Report of a Deviation Associated with Bentley Systems Incorporated AutoPIPE Software

02/09/2024

ML24040A171

2024-06-01

Ametek Solidstate Controls

Final Report of a Deviation Associated with an Oil Filled Capacitors in Aluminum Case Part Number 07-020139-10

05/17/2024

ML24141A048

2024-06-00

Ametek Solidstate Controls

Interim Report of a Deviation Associated with an Oil Filled Capacitors in Aluminum Case Part Number 07-020139-10 

02/09/2024

ML24043A086

2024-05-00

VC Summer Nuclear Station

Interim Report of a Deviation Associated with Emergency Diesel Generator Fuel Oil Piping 

01/18/2024

ML24018A011

2024-04-01

VC Summer Nuclear Station

Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Control Power Circuit Monitor (CP1) Relay on its 'B' Emergency Diesel Generator

02/07/2024

ML24038A031

2024-04-00

VC Summer Nuclear Station

Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Control Power Circuit Monitor (CP1) Relay on its 'B' Emergency Diesel Generator 

01/10/2024

EN 56919

2024-03-01

VC Summer Nuclear Station

Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Field Flash Contactor (K2) relay on its 'B' Emergency Diesel Generator

02/07/2024

ML24038A032

2024-03-00

VC Summer Nuclear Station

Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Field Flash Contactor (K2) relay on its 'B' Emergency Diesel Generator 

01/10/2024

EN 56920

2024-02-01

Tennessee Valley Authority 

Final Report of a Deviation Associated with a Crompton Instruments Type 077 Ammeter  

02/22/2024

ML24053A393

2024-02-00

Tennessee Valley Authority 

Interim Report of a Deviation Associated with an Crompton Instruments Type 077 Ammeter

01/03/2024

ML24004A033

2024-01-01

Engine Systems, INC.

Interim Report of a Deviation Associated with an Electro-Motive Diesel (EMD) Cylinder Liner with Bore Deficiency, P/N 9318833 (component of power assembly P/N 40124897) 

01/17/2024

ML24018A014

2024-01-00

Engine Systems, INC.

Interim Report of a Deviation Associated with an Electro-Motive Diesel (EMD) Cylinder Liner with Bore Deficiency, P/N 9318833 (component of power assembly P/N 40124897), S/N 20M0938. 

01/04/2024

ML24008A069

Page Last Reviewed/Updated Wednesday, November 19, 2025

Page Last Reviewed/Updated Wednesday, November 19, 2025