United States Nuclear Regulatory Commission - Protecting People and the Environment
subscribe to page updates

Part 21 Reports

2000s: | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
  | 2004 | 2003 | 2002 | 2001 | 2000 |
1990s: | 1999 | 1998 | 1997 | 1996 | 1995 |

The U.S. Nuclear Regulatory Commission (NRC) receives reports from its licensees under Part 21 of Title 10 of the Code of Federal Regulations. This regulation specifies the conditions under which information must be submitted when a licensed facility, activity, or basic component fails to comply with the Atomic Energy Act of 1954, as amended, or other NRC regulations.

Recently Updated Reports

This page includes links to files in non-HTML format. See Plugins, Viewers, and Other Tools for more information.

Log No. Notifier Description Report Date Event No. / Accession No.
2015-61-00 ATC Nuclear Interim Report - Potential Defect on P/N 535-601 Moore Industries Milliamp Modules 08/10/2015 ML15223B263
2015-46-02 Crane Nuclear, Inc. Interim Report: Notification of Pressure Seal Valve Yoke Material Compliance 08/10/2015 ML15224A543
2015-60-00 Sequoyah Damaged Surveillance Capsules 08/07/2015 ML15223B268
2015-57-01 Alpha-Omega Services, Inc

Potential Radioactive Material Transport Packaging Shielding Failing to Comply With 10 CFR 71.47 and/or 10 CFR 71.51

08/07/2015 ML15223B267
2015-59-00 Xcel Energy/Prairie Island ABB 50H Instantaneous Over Current Protection Relay Failure 08/06/2015 ML15223B265
2015-58-00 ABB Inc. Notification of Deviation Regarding HK Circuit Breaker Pivot Pin 08/06/2015 ML15223B264
2015-46-01 Crane Nuclear, Inc. Interim Report: Notification of Pressure Seal Valve Yoke Material Compliance 08/06/2015 ML15223B266
2015-57-00 Alpha-Omega Services, Inc

Potential Radioactive Material Transport Packaging Shielding Failing to Comply With 10 CFR 71.47 and/or 10 CFR 71.51

08/05/2015 ML15224A541
2015-56-00 United Controls International Ferraz Shawmut / Mersen Fuses P/N AJT25 and AJT60 08/04/2015 ML15217A303
2015-55-00 Namco Controls Notification of Product Anomaly Related to Namco EA180 & EA170 Limit Switches Manufactured in a Specific Date Range 07/31/2015 ML15217A309
2015-54-00 Rotork Controls, Inc. Interim Report Related to a Safety Related Micro Switch 07/28/2015 ML15226A452
2015-29-02 CB&I Laurens Updated Interim Report Regarding One Inch Schedule 80A312 Stainless Steel, Class 2 and Class 3 Seamless Pipe for AP1000 Nuclear Projects 07/25/2015 ML15217A437
2015-52-00 Flowserve Mounting Bracket Seismic Qualification 07/24/2015 ML15211A497
2015-51-00 Flowserve Replacement Actuator Shafts for Anchor/Darling 6-900 Swing Check Valves Do Not Meet Dimensional Requirements 07/24/2015 ML15211A496
2015-43-01 Electric Power Research Institute (EPRI) Final Report - Westinghouse Pressurizer Head Nozzle Inner Corner Region Ultrasonic Inspections 07/24/2015 ML15205A289
2015-53-00 CB&I AREVA MOX Services Interim Report Notification: Flanders Filter Housings 07/23/2015 ML15205A290
2015-49-00 United Controls International Report of Potential Part 21 on Allen Bradley Time Delay Relay 700-RT 07/20/2015 ML15205A293
2015-47-00 CB&I AREVA MOX Services Inadequate Welds Affecting Structural Capacity of Embed Plates 07/15/2015 ML15197A039
2015-46-00 Crane Nuclear, Inc. Interim Report: Notification of Pressure Seal Valve Yoke Material Compliance 07/08/2015 ML15201A287
2015-50-00 CB&I Power Interim Part 21 Report Regarding a Structural Module Penetration for the Vogtle Unit 3 AP1000 Project 07/01/2015 ML15201A130
2015-39-01 Thermo Fisher Scientific Potential Noncompliance of a Dual Uncompensated Ion Chamber Power Range Detector 07/01/2015 ML15187A031
2015-18-02 Curtiss-Wright Flow Control Corp. Updated Interim Notification of a Potential Test Induced Defect in a 0867F Series Main Steam Safety Relief Valve 06/30/2015 ML15187A172
2015-10-02 CB&I Nuclear Updated Interim Report Regarding Overlay Plate Mechanical Coupler Welds for Vogtle Units 3 and 4 AP1000 Project 06/30/2015 ML15190A329
2015-45-00 ABB Inc. Notification of Deviation Regarding COM-5 Protective Relay - Defective Frame Assembly 06/29/2015 ML15187A029
2015-30-01 Chicago Bridge & Iron Closure of Interim Part 21 Report Related to Measuring and Test Equipment Deficiencies for V.C. Summer Units 2 & 3 and Vogtle Units 3 & 4 AP1000 Projects 06/26/2015 ML15188A067
2015-29-01 CB&I Laurens Updated Interim Report Regarding One Inch Schedule 80A312 Stainless Steel, Class 2 and Class 3 Seamless Pipe for AP1000 Nuclear Projects 06/26/2015 ML15188A070
2015-43-00 Electric Power Research Institute (EPRI) Interim Report - Westinghouse Pressurizer Head Nozzle Inner Corner Region Ultrasonic Inspections 06/25/2015 ML15188A066
2015-33-01 Brunswick Written Part 21 Notification Related to Allen Bradley 700RTC Relay Configuration (See related Part 21 No.'s. 2015-26-00 and 2015-36-00). 06/25/2015 ML15196A034
2015-48-00 CB&I Power Interim Part 21 Report Regarding Structural Module Penetrations for the Vogtle, Unit 3 AP1000 Project 06/23/2015 ML15197A022
2015-44-01 CB&I Updated Interim Part 21 Report re Non-Conforming Structural Components for V.C. Summer Units 2 and 3 AP1000 Project 06/18/2015 ML15177A080
2015-31-01 AECOM Inc 30 Day Report Regarding Deviations While Utilizing Bentley Software STAAD.PRO on Supplied Calculations 06/17/2015 ML15168B075
2015-41-00 GE Hitachi Nuclear Energy Part 21 60 Day Interim Notification: Potential Failure of Electromatic Relief Valve Cutout Switch 06/17/2015 ML15169A006
2015-23-01 CB&I Nuclear Closure of Interim Report Regarding Core Drilling Operations for V.C.Summer Units 2 & 3 AP1000 Project (See related 50.55(e) Report No. 2015-0042-00) 06/16/2015 EN 51158
2015-42-00 Summer Units 2 & 3 Quality Assurance Programmatic Issues (a 50.55(e) Initial Notification) 06/16/2015 EN 51158
2014-85-01 CB&I Nuclear Closure of Interim Report Regarding Submodules CA20-03 and CA20-07A Nonconformances for V. C. Summer Unit 2 (AP1000) 06/09/2015 ML15173A096
2015-22-01 CB&I Nuclear Closure of Interim 10 CFR Part 21 Report Regarding Rebar Deviations For Vogtle Unit 3 AP1000 06/09/2015 ML15173A096
2015-21-01 CB&I Nuclear Closure of Interim Part 21 Report Regarding CA01 Submodule Deviations For Vogtle Unit 3 AP1000 Project 06/09/2015 ML15173A096
2015-12-02 CB&I Nuclear Closure of Interim Report Regarding Nonconformances on CA01 Submodules for V.C. Summer Unit 2 AP1000 Project 06/09/2015 ML15173A096
2015-11-01 CB&I Nuclear Closure of Interim Report Regarding Submodule CA01-13 Nonconformances for V.C. Summer Unit 2 AP1000 Project 06/09/2015 ML15173A096
2015-03-01 CB&I Nuclear Closure of Interim Report Regarding Submodule CA01-15 Nonconformances for V.C. Summer Unit 2 AP1000 Project 06/09/2015 ML15173A096
2015-02-01 CB&I Nuclear Closure of Interim Report Regarding Trends in Welding and Documentation Issues for Vogtle Units 3 and 4 AP1000 Project 06/09/2015 ML15173A096
2014-28-06 CB&I Nuclear Closure of Interim Part 21 Report Regarding Deviations of Modules and Sub-Modules Supplied for AP1000 Projects (See related 50.55(e) reports at 2014-63-00 and 2014-64-00) 06/09/2015 ML15173A096
2014-86-03 CB&I Nuclear Closure of Interim Report Regarding Threaded Rebar Terminator Deviations for V.C. Summer Units 2 & 3 (AP1000) 06/09/2015 ML15173A096
2015-39-00 Thermo Fisher Scientific Potential Noncompliance of a Dual Uncompensated Ion Chamber Power Range Detector 06/05/2015 ML15162A027
2015-38-00 Engine Systems, Inc. Incorrect Part Number Relay Shipped to and Installed in EDG Governor Control Panel at Brunswick Nuclear Plant 06/05/2015 ML15162A023
2015-36-00 Nutherm International, Inc. Report of Potential Part 21 Related to Allen Bradley Time Relay Model 700RTC (See related Part 21 Nos. 2015-33-00 and 2015-26-00). 06/04/2015 ML15161A230
2015-35-00 ABB Inc. Part 21 Notification of Deviation Regarding K-Line Circuit Breaker Secondary Close Latch 06/01/2015 ML15155A579
2015-34-00 C&D Technologies, Inc. Interim Report Related to Possible Cracking in KCR-13 Standby Battery Jars 05/29/2015 ML15155A575
2015-40-00 CB&I Nuclear Interim Part 21 Report Regarding Deviations of Rebar for Vogtle Unit 3 AP1000 Project 05/28/2015 ML15159B265
2015-37-00 Chicago Bridge & Iron Interim Report Regardng Deviations of Welded Stud Anchors for Vogtle 3 & 4 and V.C. Summer 2 & 3, AP1000 Projects 05/28/2015 ML15159A312
2015-33-00 Brunswick Part 21 Related to Allen Bradley 700RTC Relay Configuration (See related Part 21 No. 2015-26-00). 05/28/2015 ML15155A577
2014-83-01 National Technical Systems Potential Part 21 Issue on Irradiations performed by Steris Isomedix Services (Updated Interim Report) 05/21/2015 ML15152A125
2015-15-02 CB&I Nuclear Updated Interim Report Regarding Submodule CA01-38 Deviations for Vogtle Unit 3 AP1000 Project 05/19/2015 ML15148A573
2015-31-00 AECOM Inc Interim Part 21 Regarding Deviations While Utilizing Bentley Software STAAD.PRO on Safety Related Calculations 05/18/2015 ML15147A547
2015-30-00 Chicago Bridge & Iron Interim Part 21 Report Related to Measuring and Test Equipment Deficiencies for V.C. Summer Units 2 & 3 and Vogtle Units 3 & 4 AP1000 Projects 05/17/2015 ML15147A512
2015-32-00 CB&I Nuclear Interim Part 21 Report Regarding Deviations of Embedments for Vogtle Unit 3 AP1000 Project 05/14/2015 ML15146A094
2015-28-00 BNL Industries, Inc. Defect Identified in 6 inch Gear Operated Ball Valves 05/11/2015 ML15140A218
2015-27-00 QualTech NP Potential Part 21 Involving Struthers Dunn Relays With Contact Resistance Greater Than One Ohm 05/07/2015 ML15134A018
2015-26-00 AZZ / Nuclear Logistics Potentially Unqualified Component in Certain Allen Bradley Model 700RTC Timing Relays 05/01/2015 ML15134A016
2015-18-01 Curtiss-Wright Flow Control Corp. Updated Interim Notification of a Potential Test Induced Defect in a 0867F Series Main Steam Safety Relief Valve 05/01/2015 ML15134A017
2015-29-00 CB&I Laurens Interim Report Regarding One Inch Schedule 80A312 Stainless Steel, Class 2 and Class 3 Seamless Pipe for AP1000 Nuclear Projects 04/25/2015 ML15132A334
2015-25-00 CB&I Nuclear Interim Report Regarding Structural Module Penetrations For V.C. Summer Unit 3 and Vogtle Unit 4 AP1000 Project 04/24/2015 ML15121A186
2015-24-00 CB&I AREVA MOX Services 60-Day Interim Report Notification: SMCI Embed Plates 04/21/2015 ML15112A131
2015-23-00 CB&I Nuclear Interim Report Regarding Core Drilling Operations for V.C.Summer Units 2 & 3 AP1000 Project 04/16/2015 ML15117A100
2013-40-01 ABB Inc. Deviation on HK Medium Voltage Circuit Breaker Close Latch Springs (Updated) 04/08/2015 ML15103A244
2014-51-03 ITT Engineered Valves, LLC Second Interim Report - Improper Irradiation of Samples for Ball Valve Seats and Diaphragms (Steris Isomedix Services) 04/07/2014 ML15103A485
2014-53-01 SOR, Inc. Potentially Defective Pressure and Temperature Switches 04/02/2015 ML15099A043
2015-12-01 CB&I Nuclear Updated Interim Report Regarding Nonconformances on CA01 Submodules for V.C. Summer Unit 2 AP1000 Project 03/30/2015 ML15099A504
2015-22-00 CB&I Nuclear Interim 10 CFR Part 21 Report Regarding Rebar Deviations For Vogtle Unit 3 AP1000 Project 03/27/2015 ML15097A043
2015-21-00 CB&I Nuclear Interim Part 21 Report Regarding CA01 Submodule Deviations For Vogtle Unit 3 AP1000 Project 03/27/2015 ML15097A042
2015-20-00 United Controls International Interim Report - Resistive Short Identified on Thomas & Betts Power Solutions/Cyberex Sense & Transfer Module 03/27/2015 ML15089A435
2015-15-01 CB&I Nuclear Updated Interim Report Regarding Submodule CA01-38 Deviations for Vogtle Unit 3 AP1000 Project 03/25/2015 ML15092A163
2014-86-02 CB&I Nuclear Updated Interim Report Regarding Threaded Rebar Terminator Deviations for V.C. Summer Units 2 & 3 (AP1000) 03/20/2015 ML15180A134
2015-44-00 CB&I Interim Part 21 Report re Non-Conforming Structural Components for V.C. Summer Units 2 and 3 AP1000 Project 03/20/2015 ML15180A133
2015-12-01 CB&I Nuclear Interim Report Regarding Nonconformances on CA01 Submodules for V.C. Summer Unit 2 AP1000 Project 03/20/2015 ML15099A504
2015-10-01 CB&I Nuclear Updated Interim Report Regarding Overlay Plate Mechanical Coupler Welds for Vogtle Units 3 and 4 AP1000 Project 03/20/2015 ML15091A345
2015-19-00 Emerson Process Management Fisher Type 461 Valve Plug Machining Defect 03/20/2015 ML15089A436
2013-10-02 Curtiss-Wright Flow Control Update to Part 21 Report on Scientech Dual Alarm Modules and Single Alarm Moduless 03/20/2015 ML15089A437
2015-18-00 Curtiss-Wright Flow Control Corp. Interim Notification of a Potential Test Induced Defect in a 0867F Series Main Steam Safety Relief Valve 03/16/2015 ML15077A422
2015-14-01 Dominion Power Connecticut (Millstone Unit 3) Written Notification Related to Binding in ABB K-Line Secondary Closing Latches (Part Number 716610K01) 03/13/2015 ML15079A398
2015-17-00 Weir Valves & Controls USA Inc. Improper Weld Used on Replacement Gate Valve Cover 03/13/2015 ML15077A379
2014-90-01 ABB Amendment to Part 21 Notification of Potential Defect Regarding KF Relay ZPA Rating 03/05/2015 ML15070A543
2015-14-00 Dominion Power Connecticut Defect in ABB K-Line Breaker Replacement (New) Secondary Close Latches 02/25/2015 ML15058A717
2015-13-00 QualTech NP Potential Defect in a Socket Used Separately on in a Connector Kit 02/23/2015 ML15058A716
2014-79-02 CB&I Nuclear Closure of Interim Part 21 Report Regarding CA03 Structural Module Fabrication for Vogtle Unit 3 AP1000 Project 02/23/2015 ML15055A525
2015-06-01 Vogtle Units 3 & 4 A Breakdown in the Quality Assurance Program for Vogtle 3 & 4 Construction Program (a10 CFR 50.55(e) Written Report) 02/23/2015 ML15055A525
2015-15-00 CB&I Nuclear Interim Report Regarding Submodule CA01-38 Deviations for Vogtle Unit 3 AP1000 Project 02/19/2015 ML15062A595
2015-09-00 Summer Units 2 & 3 Significant Breakdown in the Quality Assurance (QA) Program of an Agent of the Licensee (a 10CFR 50.55(e) Report) 02/12/2015 ML15054A012
2015-16-00 CB&I Nuclear Interim Report Regarding Overlay Plate Mechanical Coupler Welds for V.C. Summer Unit 2 AP1000 Project 02/10/2015 ML15065A255
2015-08-00 Weir Valves and Controls, USA TRICENTRIC(r) Triple Offset Valve Spline Adapter Vibrated Loose 02/10/2015 ML15049A456
2015-06-00 Vogtle Units 3 & 4 Breakdown in the Quality Assurance Program for Vogtle 3 & 4 Construction Project (a10 CFR 50.55(e) Report) 02/09/2015 EN 50798
2015-07-00 Valcor Engineering Corporation Possible NEMA 4 Enclosure Assembly Error In Some Solenoid Valve Models 02/09/2015 ML15049A457
2015-05-00 Thermo Gamma-Metrics LLC Shutdown Margin Monitor Environmental Qualification Noncompliance 02/06/2015 ML15049A458
2014-23-02 QualTech NP Revision to Final Notification Related to Potential Defect in General Electric Type CR120AD Control Relays 02/05/2015 ML15040A083
2015-04-00 Operation Technology, Inc. / ETAP Error Report Related to ETAP Power System Analysis Software 02/03/2015 EN 50784
2015-12-00 CB&I Nuclear Interim Report Regarding Nonconformances on CA01 Submodules for V.C. Summer Unit 2 AP1000 Project 01/29/2015 ML15043A187
2014-91-01 Baldor Electric Co. Written and Final Report - Baldor AC Motors with Potential Bearing End Cap Alignment Issues (Revised) 01/23/2015 ML15034A566
2015-11-00 CB&I Nuclear Interim Report Regarding Submodule CA01-13 Nonconformances for V.C. Summer Unit 2 AP1000 Project 01/22/2015 ML15043A189
2014-86-01 CB&I Nuclear Updated Interim Report Regarding Threaded Rebar Terminator Deviations for V.C. Summer Units 2 & 3 (AP1000) 01/21/2015 ML14337A114
2015-10-00 CB&I Nuclear Interim Report Regarding Overlay Plate Mechanical Coupler Welds for Vogtle Units 3 and 4 AP1000 Project 01/20/2015 ML15043A188
2013-38-01 National Technical Systems Updated Part 21 Report - Firmware Notice for Users of Yokogawa DX1000N and DX2000 Model Recorder 01/20/2015 ML15022A650
2014-76-02 CB&I Nuclear Part 21 Report Regarding Deviations of Coatings for Pipe Supports for AP1000 Projects 01/13/2015 ML15027A425
2015-03-00 CB&I Nuclear Interim Report Regarding Submodule CA01-15 Nonconformances for V.C. Summer Unit 2 AP1000 Project 01/09/2015 ML15029A542
2015-02-00 CB&I Nuclear Interim Report Regarding Trends in Welding and Documentation Issues for Vogtle Units 3 and 4 AP1000 Project. 01/08/2015 ML15022A200
2014-87-01 CB&I Nuclear Closure of Interim Report Regarding Rebar Deviations For Vogtle Units 3 & 4 AP1000 Project 01/08/2015 ML15022A201
2014-71-01 CB&I Nuclear Closure of Interim Part 21 Report Regarding Submodule and Embedment Deviations for V. C. Summer Unit 2 (AP1000 Project) 01/08/2015 ML15022A201
2015-01-00 AZZ / Nuclear Logistics Inc. Report of Potential Failure of GE Hitachi (GEH) SBM Type Switches. 01/08/2015 ML15014A061

See also:

To top of page

Page Last Reviewed/Updated Wednesday, August 26, 2015