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.
| Log No. |
Notifier |
Description |
Report Date |
Event No. / Accession No. |
| 2010-24-00 |
Cooper Nuclear Station |
GE-Hitachi 4160 VAC Control and Transfer Breaker Switch Defect |
08/10/2010 |
ML102280174 |
| 2010-23-00 |
Rosemount Nuclear Instruments, Inc. |
Reliability Concern Related to Certain Model 3051N Pressure Transmitters |
07/12/2010 |
ML101940309 |
| 2010-22-00 |
Trentec |
Failure of Ronken Oil-Filled 70 Microfarad Capacitor (Date Code 06-06) |
07/06/2010 |
ML101890066 |
| 2010-10-01 |
GE-Hitachi Nuclear Energy |
Failure of HPCI Turbine Overspeed Reset Control Valve Diaphragm |
07/01/2010 |
ML101820160 |
| 2010-21-00 |
Tyco Electronics |
Notification of Limited E7000 Relay Recall |
06/16/2010 |
ML101720486 |
| 2010-18-01 |
Dresser-Rand |
Soldering Defect on a Digital Control System Output Filter Printed Circuit Board |
06/04/2010 |
ML101600189 |
| 2010-20-00 |
C&D Technologies, Inc. |
Post Corrosion on DCU Batteries |
05/28/2010 |
ML101530108 |
| 2010-19-00 |
GE Hitachi Nuclear Energy |
Bent Fuel Spacer Flow Wing – GNF2 Fuel |
05/14/2010 |
ML101370065 |
| 2010-18-00 |
Dresser-Rand |
Soldering Defect on a Digital Control System Output Filter Printed Circuit Board |
05/11/2010 |
ML101380397 |
| 2010-15-01 |
Waterford Unit 3 |
High Failure Rate of Normally Energized Tyco Electro-Pneumatic Time Delay Relays |
04/29/2010 |
ML101230323 |
| 2010-13-01 |
Tyco Flow Control |
Failure of a Solenoid Valve Supplied with Crosby Dual Function Main Steam Safety Valves |
04/29/2010 |
ML101270027 |
| 2010-17-00 |
Oconee Nuclear Station |
Failed Backseat Gasket on 1-inch Flowserve Socket Welded Globe Valve with a Threaded Backseat |
04/21/2010 |
ML101160034 |
| 2010-16-00 |
Engine Systems, Inc. |
EMD Diesel Jacket Water Pump with Incorrect Impeller Orientation |
04/26/2010 |
ML101180062 |
| 2010-14-00 |
United Controls International |
Faulty Modulation Index Control (MIC) circuit boards for a Cyberex kVA Model AC Power Supply |
04/14/2010 |
ML101100638 |
| 2010-15-00 |
Waterford Unit 3 |
High Failure Rate of Normally Energized Tyco Electro-Pneumatic Time Delay Relays |
04/21/2010 |
EN 45862 |
| 2010-03-01 |
ABB Inc. |
Potential Failure of a Breaker Closing Coil Component to Comply with Design Specifications |
03/08/2010 |
ML101060223 |
| 2010-13-00 |
Tyco Flow Control |
Failure of a Solenoid Valve Supplied with Crosby Dual Function Main Steam Safety Valves |
04/02/2010 |
ML100960449 |
| 2010-12-00 |
Palisades Nuclear Plant |
Potential Loss of Safety Function Due to a Service Water Pump Shaft Coupling Failure |
03/19/2010 |
ML100810408 |
| 2010-05-01 |
Westinghouse Electric Company |
Closure of Interim Report Concerning an Issue in Sump Blockage Generic Tests |
03/30/2010 |
ML100900472 |
| 2010-11-00 |
Crane Nuclear, Inc. |
Notification of a Potential Weld Defect |
03/25/2010 |
ML100920093 |
| 2010-06-01 |
Oconee Nuclear Station |
Defect Associated with Welded Stud Attachment to Concrete Embed Plates |
03/24/2010 |
ML100880321 |
| 2010-10-00 |
GE-Hitachi Nuclear Energy |
Interim Report: Failure of HPCI Turbine Overspeed Reset Control Valve Diaphragm |
03/22/2010 |
ML100820059 |
| 2010-09-00 |
Westinghouse Electric Co. |
Failure of Cutler-Hammer Type ARD 660UR DC Relays to Release When De-Energized |
03/19/2010 |
ML100820434 |
| 2010-08-00 |
Oyster Creek |
Failure of Tyco/Agastat EGPI004 Relay due to Manufacturing Defect |
02/08/2010 |
ML100541598 |
| 2010-07-00 |
United Controls International |
Faulty Logic Board for Cyberex 20 KVA Inverter Model AC |
02/24/2010 |
ML100610675 |
| 2010-06-00 |
Oconee Nuclear Station |
Defect Associated with Welded Stud Attachment to Concrete Embed Plates |
02/24/2010 |
ML100610346 |
| 2010-04-00 |
United Controls International |
Installation of Incorrect Transformer on a Control Board for a Battery Charger |
02/12/2010 |
ML100512907 |
| 2010-01-01 |
ABB Inc. |
Circuit Breaker Charging Motor Crank Does Not Meet Hardness Specifications |
02/05/2010 |
ML100512905 |
| 2010-03-00 |
ABB Inc. |
Potential Failure of a Breaker Closing Coil Component to Comply with Design Specifications |
02/08/2010 |
ML100512906 |
| 2010-05-00 |
Westinghouse Electric Company |
Interim Report Concerning an Issue in Sump Blockage Generic Tests |
02/12/2010 |
ML100480138 |
| 2010-02-01 |
Sulzer Pumps |
Defect in Pump Shaft Journal Coating |
02/01/2010 |
ML100470023 |
| 2010-02-00 |
Sulzer Pumps |
Defect in Pump Shaft Journal Coating |
01/27/2010 |
ML100290368 |
| 2010-01-00 |
ABB |
Circuit Breaker Charging Motor Crank Does Not Meet Hardness Specifications |
01/23/2010 |
ML100251422 |
| 2009-23-01 |
Westinghouse Electric Company |
Potential Aggressive Wearing of Rod Cluster Control Assembly Guide Cards |
01/14/2010 |
ML100200276 |
| 2009-29-00 |
HydroAire Services, Inc. |
Pump Shaft Coupling Failure. |
12/16/2009 |
ML093561278 |
| 2009-28-00 |
Bellefonte |
Containment Vertical Tendon Failed (10 CFR 50.55(e) Report) |
12/10/2009 |
ML093490942 |
| 2009-27-00 |
Engine Systems, Inc. |
Woodward Governor Servo Failure due to Silver Sulfide Corrosion of Surface Mounted Resistors |
12/08/2009 |
ML093440152 |
| 2009-22-01 |
Engine Systems, Inc. |
AMOT Thermostatic Valve Failure |
12/07/2009 |
ML093430140 |
| 2009-23-00 |
Westinghouse Electric Company |
Potential Aggressive Wearing of Rod Cluster Control Assembly Guide Cards |
10/24/2009 |
ML093370687 |
| 2009-26-00 |
San Onofre Nuclear Generating Station |
Manufacturing Defect Discovered in Flowserve (Anchor Darling) 4-inch Swing Check Valve |
11/25/2009 |
ML093310432 |
| 2009-24-01 |
Flowserve |
Figure 848, 849, 828 and 829 Stop Valve Disk/Disk Nut Separation |
11/24/2009 |
ML093310181 |
| 2009-24-02 |
Flowserve |
Figure 848, 849, 828 and 829 Stop Valve Disk/Disk Nut Separation |
11/19/2009 |
ML100070073 |
| 2009-25-00 |
Wartsila France S.A.S. |
Potential Failure in Emergency Diesel Generator Bearings |
11/16/2009 |
ML093220066 |
| 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 |
