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Reports Associated with Events
Event Notification Reports
Morning Reports
Part 21 Reports
Power Reactor Status Reports
Preliminary Notification Reports

Part 21 Reports

2000s: | 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

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Log No. Notifier Description Report Date Event No. / Accession No.
2009-24-00 Flowserve Figure 848Y Stop Valve Disk/Disk Nut Separation 11/06/2009 ML093140090
2009-20-01 Transnuclear Fasteners on Spent Fuel Storage Devices Not Meeting Standards 10/30/2009 ML093060395
2009-22-00 Engine Systems, Inc. AMOT Thermostatic Valve Failure on Cooper Bessemer EDG 10/23/2009 ML093030453
2009-21-00 Hilti, Inc. Potential Delivery of Nonconforming Washers Supplied with Hilti KB3 Anchors 10/23/2009 ML093020560
2009-17-01 Cooper Nuclear Station Defect Found in Bussmann Fuses 10/05/2009 ML092810348
2009-20-00 Transnuclear Fasteners on Spent Fuel Storage Devices Not Meeting Standards 10/01/2009 ML092780588
2009-14-01 Crystal River 3 Failure of a Spare Limitorque Actuator Motor 09/25/2009 ML092730361
2009-19-01 Sargent and Lundy Problem with Seismic Soil Structure Analysis Software 09/11/2009 ML092670472
2009-19-00 Sargent and Lundy Problem with Seismic Soil Structure Analysis Software 09/11/2009 EN 45343
2009-18-00 Engine Systems, Inc. Woodward Governors Using Unapproved Supplier Integrated Circuits 09/09/2009 EN 45335
2009-17-00 Cooper Nuclear Station Defect Found in Bussmann Fuses 09/09/2009 EN 45334
2009-16-00 Flowserve Borg-Warner Solenoid Valve May Not Perform its Intended Function 09/08/2009 ML092530243
2009-15-00 Engine Systems, Inc. Faulty Emergency Diesel Generator Start-up Solenoid Valve 09/03/2009 ML092510215
2009-14-00 Crystal River 3 Failure of a Spare Limitorque Actuator Motor 09/01/2009 EN 45317
2009-12-01 General Atomics Firmware Anomaly in GA-ESI Model RM-80 Radiation Monitoring System 08/31/2009 ML092450688
2009-07-02 AREVA Error in LaSalle Units I & 2 Power Dependent MCPR and LHGR Operating Limits Calculation Due to High Measured Liftoff 08/27/2009 ML092430049
2009-13-00 USEC Missing Retracting Ball in Ball Lock Pins on Uranium Cylinder 08/25/2009 ML092390044
2009-12-00 General Atomics Firmware Anomaly in GA-ESI Model RM-80 Radiation Monitoring System 08/25/2009 ML092390043
2009-10-01 Duane Arnold Energy Center Flowserve Control Valve Spring Actuator Sized Incorrectly 07/30/2009 ML092230373
2009-07-01 AREVA Thermo-Hydraulic Limits Based on Incorrect Fuel Liftoff Assumptions 07/29/2009 ML092160076
2009-11-00 Preferred Metal Technologies, Inc. Existence of a Defect in an UL Listed Fire Damper Manufactured by Safe Air/Dowco 07/20/2009 ML092090098
2009-10-00 Duane Arnold Flowserve Control Valve Spring Actuator Sized Incorrectly 07/08/2009 EN 45189
2009-09-00 ASCO Valve Missing Insulation Barrier and Label on Two (2) ASCO 125/DC Valves 05/28/2009 ML091520256
2009-08-00 Westinghouse Electric Company DB-75 and DB-100 Air Circuit Breaker Deficiency 05/28/2009 ML091490488
2009-07-00 AREVA High Cladding Liftoff Measurements at LaSalle Reactors 04/16/2009 ML091100286
2009-06-00 AREVA Performance of Mark-B HTP Fuel Assembly Hold Down Springs 04/10/2009 ML091040768
2008-18-01 Applied Analysis Update - Software Error Giving Incorrect Flow Rates for Highly Throttled Flow Control Valves 04/06/2009 ML090980044
2009-05-01 ABB, Inc.

Defective HK and K-Line Circuit Breaker Tension Springs

03/13/2009 ML090761188
2009-05-00 ABB, Inc.

Defective HK and K-Line Circuit Breaker Tension Springs

03/11/2009 ML090720587
2009-04-00 Fisher Controls

Defective ASME SA-193, Grade 6 Cap Screw Material (Posi-Seal Butterfly Valves)

02/06/2009 ML090410485
2003-04-02 Scientek Update - Square Root Function (CMM900) modules have been found to be defective 02/05/2009 ML090400748
2009-03-00 Fisher Controls Rinse Water Quality Issues 01/27/2009 ML090350217
2009-02-00 Fisher Controls Controller to valve coupling not evaluated for all applications 01/27/2009 ML090330056
2009-01-00 AMETEK  Tyco/Potter & Brumfield Relays - age degradation 01/26/2009 ML090280042
2008-28-00 Duke Energy Defective E-Max Brand Optical Isolators 12/17/2008 ML083590346
2008-21-01 Baldor Actuator Motor End Ring Crack 12/17/2008 ML083660039
2008-24-01 Cooper Defective Fuses Installed in Safety-Related Circuits 12/02/2008 ML083430310
2008-26-00 Fisher Supplied 18-inch Valve Parts Not Dedicated for Safety Services 11/26/2008 ML083290502
2008-27-00 Tyco Electronics Tyco Relay Fails to Actuate Because Incorrect Spring Installed 11/25/2008 ML083330187
2008-25-00 Fisher Dimensionally Verified Commercial Grade Items 11/12/2008 ML083190017
2008-24-00 Cooper Defective Fuses Installed in Safety-Related Circuits 11/06/2008 ML083150521
2008-23-00 Engine Systems Certain Engine Systems Air Start Motors Incorrectly Assembled 10/30/2008 ML083030141
2008-22-00 Scientech Safety-Related Power Supplies Have Wrong Capacitor 10/21/2008 ML083030181
2008-21-00 Baldor

Actuator Motor Endring Deformation and Cracking

10/21/2008 ML083030182
2008-20-00 Carboline Carboline Paint Batch Makes Poor Quality Film Because of Improper Curing 10/09/2008 ML082880534
2008-19-00 Namco Controls Namco Supplied Clear Thread Sealant Instead of White Thread Sealant 10/03/2008 ML082800337
2008-18-00 Applied Analysis Software Error Giving Incorrect Flow Rates for Highly Throttled Flow Control Valves 09/23/2008 ML082760159
2008-17-00 Spectrum Technologies Siemens Model 353 Process Controller Transformer Failure 09/19/2008 ML082671066
2008-16-00 Fisher Fisher Valve Actuator Nitrile/Nylon Diaphragms (Part No. 1R6375X0072) Inadequately Cured and Inappropriately Overstressed 08/28/2008 ML082460801
2007-20-02 General Electric

Nonconservatism in GE STRM Thermal-Mechanical Methodology--Extension to GNF2 Fuel Design

(Enclosure 1 is proprietary and not publicly available.)
08/28/2008 ML082420310
2008-15-00 GE Hitachi Failure of Safety-Related Switch in AK-2A-50 Circuit Breaker 08/25/2008 ML082390106
2008-14-00 Flowserve Butterfly Valve Failed in Test 07/15/2008 ML081990210
2008-13-00 ABB Transient Suppression of 59 D/H Overvoltage Relay 07/09/2008 ML081960457
2008-10-01 TMI Joslyn Clark Controls NC Contacts 07/09/2008 ML081960118

See also:
  • List of Part 21 Reports from 1977-1994 PDF Icon
  • To top of page



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