| Log No |
Notifier |
Description |
Report Date |
Event No. / Accession No. |
| 2010-44-00 |
H.B. Robinson, Unit 2 |
Manual Reactor Trip Due to Failure of 'A' Steam Generator Level Module (a 10 CFR 50.73 Report) |
01/05/2010 |
ML100110218 |
| 2010-43-00 |
Three Mile Island Nuclear Station, Unit 1 |
Multiple Main Steam Safety Valve Test Failures (a 10 CFR 50.73 Report) |
10/07/2010 |
ML102860132 |
| 2010-42-00 |
Dresden Nuclear Power Station, Units 2 and 3 |
Reactor Protection System Nonconformance to a Design Standard (a 10 CFR 50.73 Report) |
01/22/2010 |
ML100330292 |
| 2010-41-00 |
Phi-Delta, Inc. |
Error in PD STRUDL Software (Pipe Stress Module) |
12/07/2010 |
ML110060129 |
| 2010-40-00 |
Hirschfeld Industries |
Structural Steel Beam Faults |
12/14/2010 |
ML103500404 |
| 2010-39-00 |
Ultra Electronics |
Functional issue with Weed Instrument N7000 Series RTD Temperature Transmitters |
12/07/2010 |
ML103420505 |
| 2010-38-00 |
Rosemount Nuclear |
Anomaly Discovered on certain Rosemount Model 1152 Differential Pressure Transmitters with Output Code "L" 10-50 mA Electronics |
12/02/2010 |
ML103400155 |
| 2010-37-00 |
GE-Hitachi Nuclear Energy |
Reverse Polarity on HPCI Turbine EG-R Hydraulic Actuators |
11/18/2010 |
ML103230317 |
| 2010-36-00 |
Curtiss Wright Flow Control Company / QualTech NP |
UPS Motherboard Failed Pre-Service Inspection |
11/08/2010 |
ML103130423 |
| 2010-35-00 |
VELAN Inc. |
Defective Limitorque Type SMB-00 and Type SMB-2-06 Limit Switches |
11/08/2010 |
ML103160299 |
| 2010-34-01 |
Control Components Inc. |
Susquehanna identifies potentially susceptible Drag® valves previously reported by Control Components Inc. |
03/08/2011 |
ML110770043 |
| 2010-34-00 |
Control Components Inc. |
Potential for the Disk Stack to separate within certain Drag® valves. |
10/29/2010 |
ML103060102 |
| 2010-33-02 |
Oconee Nuclear Station |
Defect observed in Mackson Tube Steel that could be used in various Safety-Related Structural Applications |
10/13/2011 |
ML11287A139 |
| 2010-33-01 |
Oconee Nuclear Station |
Defect observed in Mackson Tube Steel that could be used in various Safety Related Structural Applications |
11/22/2010 |
ML103350168 |
| 2010-33-00 |
Oconee Nuclear Station |
Defect observed in Mackson Tube Steel that could be used in various Safety Related Structural Applications |
10/29/2010 |
ML103060087 |
| 2010-32-02 |
GE-Hitachi Nuclear Energy |
Design Life of D and S Lattice Marathon Control Blades |
02/15/2011 |
ML110460487 |
| 2010-32-01 |
GE-Hitachi Nuclear Energy |
Crack Indications in Marathon Control Rod Blades |
12/01/2010 |
ML103360004 |
| 2010-32-00 |
GE-Hitachi Nuclear Energy |
Crack Indications in Marathon Control Rod Blades |
10/20/2010 |
ML102930505 |
| 2010-31-01 |
ASCO Valve Inc. |
External Leakage in NP8320 Solenoid Valve |
11/11/2010 |
ML103190730 |
| 2010-31-00 |
ASCO Valve Inc. |
External Leakage in NP8320 Solenoid Valve |
10/18/2010 |
ML102940033 |
| 2010-30-00 |
ABB Inc. |
Failure of Certain Solid State Relays to Comply |
09/30/2010 |
ML102770418 |
| 2010-29-00 |
Dresser Masoneilan |
Potential Issues with certain Model 77N-40 Air Regulators |
09/29/2010 |
ML102770105 |
| 2010-28-00 |
H. B. Robinson, Unit 2 |
Emergency Diesel Generator Inoperable in Excess of Technical Specifications Completion Time due to Output Breaker Failure (a 10 CFR 50.73 Report) |
06/01/2010 |
ML101590222 |
| 2010-27-01 |
GE-Hitachi Nuclear Energy |
U.S. ABWR Turbine Building Design Requirements |
10/11/2010 |
ML102850242 |
| 2010-27-00 |
Fluor Enterprises, Inc. |
U.S. ABWR Design Certification - Design Input Requirements for Main Steam Line Seismic Analysis |
08/30/2010 |
ML102530168 |
| 2010-26-00 |
Rotork Controls, Inc. |
Defective Sintered Gear used in NA1E type Valve Actuator optional "Add On Pack" Sub-assemblies. |
09/08/2010 |
ML102530446 |
| 2010-25-06 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
02/07/2012 |
ML12040A283 |
| 2010-25-05 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
12/19/2011 |
ML113530512 |
| 2010-25-04 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
09/26/2011 |
ML112700066 |
| 2010-25-03 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
08/11/2011 |
ML112240142 |
| 2010-25-02 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
12/15/2010 |
ML103500174 |
| 2010-25-01 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
09/27/2010 |
ML102700614 |
| 2010-25-00 |
GE-Hitachi Nuclear Energy |
Failure to Include Seismic Input in Channel-Control Blade Interference Customer Guidance |
09/02/2010 |
ML102460537 |
| 2010-24-01 |
Cooper Nuclear Station |
GE-Hitachi 4160 VAC Control and Transfer Breaker Switch Defect |
09/02/2010 |
ML102510125 |
| 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 |
| 2010-21-00 |
Tyco Electronics |
Notification of Limited E7000 Relay Recall |
06/16/2010 |
ML101720486 |
| 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 |
| 2010-18-01 |
Dresser-Rand |
Soldering Defect on a Digital Control System Output Filter Printed Circuit Board |
06/04/2010 |
ML101600189 |
| 2010-18-00 |
Dresser-Rand |
Soldering Defect on a Digital Control System Output Filter Printed Circuit Board |
05/11/2010 |
ML101380397 |
| 2010-17-01 |
Oconee Nuclear Station |
Failed Backseat Gasket on 1-inch Flowserve Socket Welded Globe Valve with a Threaded Backseat |
12/13/2010 |
ML103510024 |
| 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 |
| 2010-16-01 |
Engine Systems, Inc. |
EMD Diesel Jacket Water Pump with Incorrect Impeller Orientation |
04/01/2011 |
ML110970152 |
| 2010-16-00 |
Engine Systems, Inc. |
EMD Diesel Jacket Water Pump with Incorrect Impeller Orientation |
04/26/2010 |
ML101180062 |
| 2010-15-01 |
Waterford Unit 3 |
High Failure Rate of Normally Energized Tyco Electro-Pneumatic Time Delay Relays |
04/29/2010 |
ML101230323 |
| 2010-15-00 |
Waterford Unit 3 |
High Failure Rate of Normally Energized Tyco Electro-Pneumatic Time Delay Relays |
04/21/2010 |
EN 45862 |
| 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 |
| 2010-13-01 |
Tyco Flow Control |
Failure of a Solenoid Valve Supplied with Crosby Dual Function Main Steam Safety Valves |
04/29/2010 |
ML101270027 |
| 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 |
| 2010-11-01 |
Crane Nuclear, Inc. |
Notification of a Potential Weld Defect |
04/10/2013 |
ML13102A303 |
| 2010-11-00 |
Crane Nuclear, Inc. |
Notification of a Potential Weld Defect |
03/25/2010 |
ML100920093 |
| 2010-10-01 |
GE-Hitachi Nuclear Energy |
Failure of HPCI Turbine Overspeed Reset Control Valve Diaphragm |
07/01/2010 |
ML101820160 |
| 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 |
| 2010-06-01 |
Oconee Nuclear Station |
Defect Associated with Welded Stud Attachment to Concrete Embed Plates |
03/24/2010 |
ML100880321 |
| 2010-06-00 |
Oconee Nuclear Station |
Defect Associated with Welded Stud Attachment to Concrete Embed Plates |
02/24/2010 |
ML100610346 |
| 2010-05-01 |
Westinghouse Electric Company |
Closure of Interim Report Concerning an Issue in Sump Blockage Generic Tests |
03/30/2010 |
ML100900472 |
| 2010-05-00 |
Westinghouse Electric Company |
Interim Report Concerning an Issue in Sump Blockage Generic Tests |
02/12/2010 |
ML100480138 |
| 2010-04-00 |
United Controls International |
Installation of Incorrect Transformer on a Control Board for a Battery Charger |
02/12/2010 |
ML100512907 |
| 2010-03-01 |
ABB Inc. |
Potential Failure of a Breaker Closing Coil Component to Comply with Design Specifications |
03/08/2010 |
ML101060223 |
| 2010-03-00 |
ABB Inc. |
Potential Failure of a Breaker Closing Coil Component to Comply with Design Specifications |
02/08/2010 |
ML100512906 |
| 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 |
| 2010-01-01 |
ABB Inc. |
Circuit Breaker Charging Motor Crank Does Not Meet Hardness Specifications |
02/05/2010 |
ML100512905 |
| 2010-01-00 |
ABB |
Circuit Breaker Charging Motor Crank Does Not Meet Hardness Specifications |
01/23/2010 |
ML100251422 |