Part 21 Reports

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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

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Log No.	Notifier	Description	Report Date	Event No. / Accession No.
2012-55-01	GE Hitachi Nuclear Energy	Updated Report - Adequacy of Design Change in AM Magne-Blast Circuit Breakers	06/12/2013	ML13163A220
2013-19-01	ATC Nuclear	Retracted Part 21 Interim Report Involving Review of Seismic Methodology	06/05/2013	ML13161A342
2013-35-00	Westinghouse Electric Co.	Interim Report - AP 1000 Plant Pressurizer Support Columns and Embedment Load Inconsistency	05/31/2013	ML13161A341
2013-16-01	Tennessee Valley Authority	Browns Ferry Emergency Diesel Generator Replacement Fuel Injectors Failed a Pressure Test	05/29/2013	ML13151A022
2013-06-01	CB&I Lake Charles	Indeterminate Status of Rebar Spices Used for Modules Being Supplied to AP 1000 Projects Vogtle Unit 3 and V. C. Summer Unit 2	05/29/2013	ML13151A038
2013-34-00	Shaw AREVA MOX Services	60-Day Interim Report Notification: Weld Wire Samples for Commercial Grade Dedication	05/28/2013	ML13149A290
2013-27-01	ITT Engineered Valves, LLC	Type M1 Diaphragms May Not Be Qualified for Specific Radiation Design Conditions	05/24/2013	ML13155A385
2013-33-00	Crane Nuclear, Inc.	Potential Valve Body Leakage - 2" Valve Assembly	05/17/2013	ML13165A022
2013-01-02	Watts Bar Unit 2	10 CFR 50.55(e) Second Interim Report – Commercial Grade Dedication Program Degraded	05/06/2013	ML13129A176
2013-31-00	Engine Systems, Inc.	Fuel Injectors Failed Pressure Test (See related Part 21 report number 2013-16-00)	05/03/2013	ML13127A014
2013-30-00	Curtiss-Wright Electro-Mechanical Corp.	Insufficient Process Control on Pump Impeller	05/03/2013	ML13127A013
2013-29-00	Curtiss-Wright Flow Control Co.	Interim Report of a Potential Defect in a Relief Valve Bellows	05/03/2013	ML13127A012
2012-54-01	Emerson Process Management	Fisher HPD Valve Assemblies with TopWorx Proximity Switch Brackets Installed Upside Down (Update)	04/30/2013	ML13122A127
2013-21-01	Watts Bar 2	Instrumentation Lines Not Inspected Completely for Proper Slope (an Interim 10 CFR 50.55(e) Report)	04/29/2013	ML13121A427
2013-28-00	Shaw AREVA MOX Services	Defect identified in some Type 304L and 316L Stainless Steel pipe	04/29/2013	ML13120A277
2013-27-00	ITT Engineered Valves, LLC	Type M1 Diaphragms May Not Be Qualified for Specific Radiation Design Conditions	04/26/2013	ML13120A112
2013-32-00	Nine Mile Point Unit 2	Failure of High Pressure Core Spray System Pressure Pump due to Motor Winding Failure (a 10 CFR 50.73 Report)	04/25/2013	ML13122A227
2013-26-00	Engine Systems Inc.	Refurbished Emergency Diesel Generator Cylinder Heads May Have Missing Valve Keeper Seals	04/23/2013	ML13116A303
2013-12-01	Limerick	Flowserve Model 28KXL Pump Impeller Defect	04/15/2013	ML13106A062
2013-14-01	AAF International	Possible Deviation or Defect in Nuclear Qualified High Efficiency Particulate Air (HEPA) Filters	04/11/2013	ML13105A111
2013-25-00	Summer Units 2 & 3	Failure to Comply with Conditions of Construction Permit (a 50.55(e) Report)	04/10/2013	EN 48910
2013-24-00	Vogtle Units 3 & 4	Failure to Comply with Conditions of Construction Permit (a 50.55(e) Report)	04/10/2013	EN 48906
2010-11-01	Crane Nuclear, Inc.	Notification of a Potential Weld Defect	04/10/2013	ML13102A303
2012-37-01	Westinghouse Electric Company	Defect Due to Change in Manufacturing Process Causing Relay Failure in Safety Related Systems	04/08/2013	ML13100A357
2013-23-00	Flowserve	Limitorque Valves with Incorrect Motor Nameplates Installed	04/05/2013	ML13099A093
2013-22-00	ABB Inc.	Issue Concerning the Zero Point Acceleration (ZPA) Rating for 3 Phase Relay Type SSC-T	04/01/2013	ML13093A155
2013-21-01	Watts Bar 2	Instrumentation Lines Not Inspected Completely for Proper Slope (a 10 CFR 50.55(e) Report Update)	04/29/2013	ML13121A427
2013-21-00	Watts Bar 2	Instrumentation Lines Not Inspected Completely for Proper Slope (a 10 CFR 50.55(e) Report)	04/01/2013	EN 48871
2013-20-01	Integrated Resources Inc.	Foxboro Power Supply Potential Failures due to Defective Tie Wraps and Holders (Update)	04/01/2013	ML13093A153
2012-23-01	ABB, Inc.	Protective Relays May Not be Qualified for Harsh Environments (Closed)	04/01/2013	ML13093A154
2013-03-01	MPR Associates, Inc.	Part 21 Report on a Replacement Basler EDG Excitation System Failure	03/29/2013	ML13092A118
2013-20-00	Integrated Resources Inc.	Foxboro Power Supply Potential Failures due to Defective Tie Wraps and Holders	03/28/2013	ML13091A387
2013-19-00	ATC Nuclear	Interim Part 21 Report Involving Review of Seismic Methodology	03/28/2013	ML13091A388
2013-18-00	Electroswitch	Series 24 CSR Relays with Potentially Oversized Drive Cam Component	03/26/2013	ML13099A238
2013-17-00	Fairbanks Morse Engine	Foreign Material Found Inside Emergency Diesel Generator Air Start Piping Assembly	03/25/2013	ML13086A255
2013-16-00	Tennessee Valley Authority	Browns Ferry Emergency Diesel Generator Replacement Fuel Injectors Failed a Pressure Test	03/22/2013	ML13085A339
2013-15-00	Emerson Process Management	Incorrect Assembly Instructions for TopWorx GO Switches	03/22/2013	ML13085A340
2013-13-00	ASCO Valve, Inc.	Direct Acting Threse Way Solenoid Valve will not Shift when De-energized	03/20/2013	ML13084A054
2013-14-00	AAF International	Possible Deviation or Defect in Nuclear Qualified High Efficiency Particulate Air (HEPA) Filters	03/18/2013	ML13079A320
2013-12-00	Limerick	Flowserve Model 28KXL Pump Impeller Defect	03/15/2013	ML13077A334
2013-05-01	Emerson Process Management	TopWorx M8 Switches Built and Shipped with Adhesive that was Beyond its Expiration Date (Final Report)	03/13/2013	ML13093A251
2013-11-00	Emerson Process Management	Loose Fisher Controls Proximity Switch Target Magnets (a 10 CFR 50.55(e) Report)	03/12/2013	ML13073A108
2013-08-01	Dresser-Rand	Defective Raw Material Used to Manufacture Valve Stems for Terry Type Emergency Feedwater Pump Drive Turbines	03/11/2013	ML13073A107
2013-10-00	Curtiss-Wright Flow Control	Scientech Dual Alarm Modules and Single Alarm Modules	03/01/2013	ML13063A443
2013-09-00	Flowserve	Wedge Pin Failure in Anchor Darling Motor Operated Double Disc Gate Valve (See related Part 21 Report No. 2013-02-00)	02/25/2013	ML13064A012
2013-08-00	Dresser-Rand	Defective Raw Material Used to Manufacture Valve Stems for Terry Type Emergency Feedwater Pump Drive Turbines	02/12/2013	ML13045A893
2013-05-00	Emerson Process Management	TopWorx M8 Switches Built and Shipped with Adhesive that was Beyond its Expiration Date	02/11/2013	ML13044A074
2013-06-00	Shaw Modular Solutions	Indeterminate Status of Rebar Splices Used for Modules Being Supplied to AP 1000 Projects Vogtle Unit 3 and V. C. Summer Unit 2	02/08/2013	ML13044A360
2012-42-02	GE Hitachi Nuclear Energy	Error in Main Steam Line High Flow Calculation Methodology (Final Report).	02/08/2012	ML13042A096
2013-01-01	Watts Bar Unit 2	10 CFR 50.55(e) Report Update - Commercial Grade Dedication Program Degraded	01/31/2013	ML13037A455
2012-44-02	Waterford 3	Defective Masoneilan I/P Transducer Model 8005N	01/25/2013	ML13025A167
2012-59-01	Tennessee Valley Authority	Belden Wire used on Environmentally Qualified Form-Wound Motors Not Fully Qualified	01/18/2013	ML13029A498
2013-04-00	Emerson Process Management	Notification of Potential Part 21 Report Involving Fisher Type 546 and 546NS Transducers.	01/11/2013	ML13015A306
2013-03-00	MPR Associates, Inc.	Interim Report on a Replacement Basler EDG Excitation System Failure	01/09/2013	ML13010A518
2013-02-00	Browns Ferry Unit 1	Anti-Rotation Pin Failure in 10-inch Anchor Darling (Flowserve) Double Disc Gate Valve	01/04/2013	ML13008A321
2013-01-00	Watts Bar Unit 2	10 CFR 50.55(e) Report - Commercial Grade Dedication Program Degraded	01/03/2013	EN 48646
2012-59-00	Tennessee Valley Authority	Belden Wire used on Environmentally Qualified Form-Wound Motors Not Fully Qualified	12/21/2012	ML13002A029
2012-58-00	ABB Inc.	Defect discovered in COM-5 and SSC-T Protective Relays Distributed by ABB INC.	12/21/2012	ML13002A470
2012-45-01	Shaw AREVA MOX Services	Interim Report Closure - HVAC Duct Spool Minimum Wall Thickness	12/19/2012	ML12356A095
2012-56-00	Shaw AREVA MOX Services	Nonconforming Welds on a Pellet Handling Transfer Glovebox	12/14/2012	ML12353A146
2012-55-00	GE Hitachi Nuclear Energy	Adequacy of Design Change in AM Magne-Blast Circuit Breakers (Interim Report)	12/13/2012	ML12348A136
2012-42-01	GE Hitachi Nuclear Energy	Error in Main Steam Line High Flow Calculation Methodology (Updated Interim Report).	12/12/2012	ML12347A308
2012-60-00	Canberra Industries, Inc.	Model GP 100C Gamma Probe Failed to Comply with Certain PSEG Specifications	12/10/2012	ML12363A047
2012-54-00	Emerson Process Management	Fisher HPD Valve Assemblies with TopWorx Proximity Switch Brackets Installed Upside Down	12/06/2012	ML12346A300
2012-53-00	Engine Systems, Inc.	Refurbished Emergency Diesel Generator Cylinder Head With Foreign Material in Intake Port.	12/06/2012	ML12342A373
2012-57-00	Emerson Process Management	Fisher Controls Report Involving Performance of NPT Stamped Cavitrol III Plugs at Catawba Nuclear Station	11/27/2012	ML12356A302
2012-22-03	Watts Bar 1	Unexpected Degradation of Vital Batteries III and IV	11/21/2012	ML12326A714
2012-52-00	Flowserve	Linear Indications on Pressure Reducing Balancing Sleeve (Interim Report)	11/12/2012	ML12319A475
2012-51-00	Palo Verde	Interim Report for Flowserve Four Inch Regulating Valve	11/09/2012	ML12319A473
2012-50-00	Scientech	Potential Grounding Pathway Between Heat Sink and Chassis of CMM830 and TMD830 Control Modules	11/08/2012	ML12318A040
2012-49-00	ABB Inc	K-Line Circuit Breaker Operating Mechanism Front Cover Fails to Comply with Specifications	11/08/2012	ML12318A039
2012-48-00	Fisher Controls International	Commercial Grade Dedication Not Properly Applied to Type 9200 Butterfly Valves	11/07/2012	ML12318A041
2012-41-01	The Shaw Group Inc.	Part 21 Report Regarding Embedments for AP1000 Project Vogtle Units 3 and 4	11/05/2012	ML12318A156
2012-43-01	FitzPatrick	Retraction - Faulty Rosemount Master Trip Units, Slave Units and Resistance Temperature Detectors	10/26/2012	EN 48353
2012-46-00	Engine Systems Inc.	EMD/Detroit Diesel Temperature Switch Potentially Shipped Without Set Screw	10/05/2012	ML12292A197
2012-18-03	Mitsubishi Nuclear Energy Systems	Steam Generator Tube Wear Adjacent to Retainer Bars (San Onofre 3)	10/05/2012	ML12283A243
2012-14-03	Mitsubishi Nuclear Energy Systems	Steam Generator Tube Wear (SONGS 2)	10/05/2012	ML12283A302
2012-45-00	Shaw AREVA MOX Services	Interim Report - HVAC Duct Spool Minimum Wall Thickness	10/04/2012	ML12278A421
2012-44-01	Waterford 3	Defective Masoneilan Transducer Model 8005N	10/01/2012	ML12276A111