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

Part 21 Reports

2000s: | 2016 | 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.
2016-07-00 Louisiana Energy Services Interim Report for Potential 10 CFR 21 Notification 02/02/2016 ML16035A489
2016-06-00 Curtiss-Wright Nuclear Division Interim Report Regarding Qualification/Verification Testing of Reversed Engineered (HCU) Accumulators Used in the Control Rod Drive System of Boiling Water Reactors 02/02/2016 ML16035A253
2016-05-00 Canberra Industries, Inc. Interim Part 21 Report Related to Several Improperly Dedicated Commercial Grade Components 01/26/2016 ML16035A254
2016-03-00 Curtiss-Wright Nuclear Division Notification of a Potential Defect in Okonite Tape Splices 01/22/2016 ML16028A103
2014-88-01 WECTEC LLC (formerly CB&I Power) Closure of Interim Report Regarding Deviations of Procurement Documents and Materials for AP1000 Projects 01/15/2016 ML16034A222
2016-01-00 Emerson Process Management - Fisher Controls Non-Dedicated Commercial Grade Cap Screws Provided with Safety Related Fisher Type 3570 Positioners 01/08/2016 ML16014A223
2014-83-03 Homewood Products Corporation Part 21 Issue on Irradiations performed by Steris Isomedix Services 01/08/2016 ML16012A502
2012-56-01 CB&I AREVA MOX Services Nonconforming Welds on a Pellet Handling Transfer Glovebox (Updated) 01/07/2016 ML16007A113
2016-02-00 WECTEC LLC (formerly CB&I Power) Interim Report Regarding Leak Chase Deviations for Vogtle Unit 4 and V. C. Summer Unit 3 AP1000 Projects 01/05/2016 ML16008A959
2015-85-00 Three Mile Island Unit 1 Part 21 Notification Due To Breaker Defect 12/28/2015 ML15363A009
2014-83-02 Homewood Products Corporation Part 21 Issue on Irradiations performed by Steris Isomedix Services (based upon information provided by National Technical Systems) 12/21/2015 ML16004A029
2015-83-00 MPR  Associates, Inc. Replacement EDG Timing Module Failure at Hatch Nuclear Plant 12/23/2015 ML16004A030
2015-82-00 Nutherm International, Inc. Potential Part 21 Report Involving Moore Industries RTD Transmitter 12/18/2015 ML15357A041
2015-81-00 Curtiss-Wright QualTech NP Eaton/Cutler Hammer A200 series Starters and Contactors 12/18/2015 ML15357A042
2015-84-00 CB&I Interim Report Regarding Nondestructive Examination of Weldable Couplers for Vogtle Unit 3 AP1000 Project 12/10/2015 ML15357A004
2015-86-00 CB&I Interim Report Regarding Wall Penetration Corrosion for Vogtle Unit 4 and V.C. Summer Unit 3 AP1000 Projects 12/08/2015 ML16014A712
2015-80-00 Howden North America, Inc. Two Fan Motors Were Not Properly Prepared before Small Steel Shot Blasting 12/08/2015 ML15345A390
2015-79-00 United Controls International Improper Silver Plating During Refurbishment of AK-25 Type Circuit Breakers 12/01/2015 ML15341A328
2015-13-01 QualTech NP Closure of Potential Defect in a Socket Used Separately on in a Connector Kit 11/23/2015 ML15341A327
2015-78-00 CB&I Power Interim Part 21 Report Regarding Passive Core Cooling System Pipe Supports for the Vogtle Unit 3 AP1000 Project 11/12/2015 ML15331A003
2015-77-00 CB&I Power Closure of Interim Report Regarding Deviations of Packing Material for Stainless Steel Pipe Spools for Vogtle 3 & 4 and V. C. Summer Units 2 & 3 AP1000 Projects 11/12/2015 ML15331A002
2015-48-01 CB&I Power Closure of Interim Part 21 Report Regarding Structural Module Penetrations for the Vogtle, Unit 3 AP1000 Project 11/12/2015 ML15331A002
2015-44-02 CB&I Power Closure of Updated Interim Part 21 Report Regarding Non-Conforming Structural Components for V.C. Summer Units 2 and 3 AP1000 Project 11/12/2015 ML15331A002
2015-40-01 CB&I Power Closure of Interim Part 21 Report Regarding Deviations of Rebar for Vogtle Unit 3 AP1000 Project 11/12/2015 ML15331A002
2015-37-01 CB&I Power Closure of Interim Report Regarding Deviations of Welded Stud Anchors for Vogtle 3 & 4 and V.C. Summer 2 & 3, AP1000 Projects 11/12/2015 ML15331A002
2015-32-01 CB&I Power Closure of Interim Part 21 Report Regarding Deviations of Embedments for Vogtle Unit 3 AP1000 Project 11/12/2015 ML15331A002
2015-25-01 CB&I Power Closure of Interim Report Regarding Structural Module Penetrations For V.C. Summer Unit 3 and Vogtle Unit 4 AP1000 Projects 11/12/2015 ML15331A002
2015-15-03 CB&I Power Closure of Interim Report Regarding Submodule CA01-38 Deviations for Vogtle Unit 3 AP1000 Project 11/12/2015 ML15331A002
2015-10-04 CB&I Power Closure of Interim Report Regarding Overlay Plate Mechanical Coupler Welds for Vogtle Units 3 and 4 AP1000 Project 11/12/2015 ML15331A002
2015-62-01 AREVA TN Follow Up Notification of Non-Reportable Condition Regarding NUHOMS® 61 BTH Type 1 Dry Shielded Canister 11/05/2015 ML15317A386
2015-65-01 Emerson Process Management Actuator Fail Mode Deviation and Potential Non-Conservative Actuator 10/30/2015 ML15308A582
2015-76-00 CB&I Interim Part 21 Report Regarding Nonconforming Rebar Cross-Ties for V. C. Summer Unit 3 AP1000 Project 10/29/2015 ML15324A107
2015-75-00 CB&I Interim Part 21 Report Regarding Nondestructive Examination of Weldable Couplers for Vogtle 3 & 4 and Summer 2 & 3 10/29/2015 ML15313A496
2015-50-02 CB&I Power Part 21 Report Regarding a Structural Module Piping Penetration for the Vogtle Unit 3 AP1000 Project 10/29/2015 ML15309A008
2015-73-00 Engine Systems, Inc. Emergency Diesel Generator Speed Switch Capacitor Failure 10/23/2015 ML15314A031
2015-74-00 Crane Nuclear, Inc. Notification of Pressure Seal Valve Segment Ring Material Compliance 10/23/2015 ML15303A014
2015-72-00 Emerson Process Management Safety Related TopWorx Switch Misalignment 10/23/2015 ML15303A006
2015-71-00 Waterford 3 Westinghouse Type KIR-60 Current Transformer (Both Emergency Diesel Generators Declared Inoperable - a 50.73 report) 10/23/2015 ML15303A004
2015-61-01 ATC Nuclear Final Report on a Potential Defect on P/N 535-601 Moore Industries Milliamp Modules 10/09/2015 ML15288A199
2015-68-00 Dresden Nuclear Power Station Electromagnetic Relief Valve (EMRV) Cutout Switch 10/07/2015 ML15280A387
2015-67-00 AZZ / Nuclear Logistics, Inc. Electronic Position Controller Failed Internal Component 10/05/2015 ML15280A352
2015-70-01 Crane Nuclear, Inc. Final Report: Pressure Retaining Rings Used in Pressure Seal Valves 09/30/2015 ML15274A062
2015-46-02 Crane Nuclear, Inc. Final Report: Integral Yoke Pressure Retaining Rings Used in Pressure Seal Valves 09/30/2015 ML15274A064
2015-29-03 CB&I Laurens Closure of Interim Report Regarding One Inch Schedule 80A312 Stainless Steel, Class 2 and Class 3 Seamless Pipe for AP1000 Nuclear Projects 09/25/2015 ML15279A182
2015-69-00 CB&I Power Interim Part 21 Report Regarding Deviations of Pipe Spools for V. C. Summer Units 2 & 3 AP1000 Project 09/24/2015 ML15279A183
2015-64-01 SOR Inc. Updated Initial Notification of Potential Issue - Irradiation Qualification Testing 09/21/2015 ML15265A418
2015-66-00 Westinghouse Electric Company Potentially Affected Coils Used in Freedom Size 1 and Size 2 Starters and Contactors 09/15/2015 ML15259A524
2015-65-00 Emerson Process Management Interim Report - Actuator Fail Mode Deviation and Potential Non-Conservative Actuator 09/14/2015 ML15259A526
2015-54-01 Rotork Controls, Inc. Updated Interim Report Related to a Safety Related Micro Switch 09/10/2015 ML15259A522
2015-41-01 GE Hitachi Nuclear Energy Closure of Part 21 60 Day Interim Notification: Potential Failure of Electromatic Relief Valve Cutout Switch 09/10/2015 ML15253A859
2015-53-01 CB&I AREVA MOX Services Closure of Interim Report Notification: Flanders Filter Housings 09/09/2015 ML15252A090
2015-60-01 Sequoyah Unit 1 Contractor Deviation from Procurement Specifications During Relocation of Reactor Pressure Vessel Material Surveillance Capsules 09/08/2015 ML15254A277
2015-59-01 Xcel Energy/Prairie Island Written Notification Related to the Failure of an ABB 50H Instantaneous Over Current Protection Relay 09/03/2015 ML15246A639
2015-57-02 Alpha-Omega Services, Inc Update to the Interim Report of Potential Failure to Comply AOS SAR Document No. FM9054 Revision H 09/02/2015 ML15258A352
2015-50-01 CB&I Power Updated Interim Part 21 Report Regarding a Structural Module Penetration for the Vogtle Unit 3 AP1000 Project 09/02/2015 ML15254A043
2015-64-00 SOR Inc. Initial Notification of Potential Issue - Irradiation Qualification Testing 09/02/2015 ML15251A212

See also:

To top of page

Page Last Reviewed/Updated Thursday, February 11, 2016