Log No |
Notifier |
Description |
Report Date |
Event No. / Accession No. |
2011-60-00 |
Entergy Nuclear Operations Inc. |
Inoperable Service Water Pump Due to a Faulty Inertia Latch in a DB-50 Supply Breaker (a 10 CFR 50.73 report) |
12/01/2011 |
ML11348A196 |
2011-59-00 |
Comanche Peak Unit 2 |
EDG 2-02 Inoperable Due to Remaining in the Droop Mode Versus Isochronous Mode (a 10 CFR 50.73 report) |
12/14/2011 |
ML11356A220 |
2011-58-00 |
USEC |
UF6 Accumulator Tank Had Through Wall Cracks that Caused Leakage |
12/20/2011 |
ML11362A352 |
2011-57-02 |
Dresser Consolidated |
Capacity Failure of Model 1982 Pressure Relief Valve |
03/19/2012 |
ML12080A079 |
2011-57-01 |
Dresser Consolidated |
Capacity Failure of Model 1982 Pressure Relief Valve |
01/09/2012 |
ML12011A050 |
2011-57-00 |
Dresser Consolidated |
Capacity Failure of Model 1982 Pressure Relief Valve |
12/20/2011 |
ML11361A393 |
2011-56-01 |
Fisher Controls |
Possible Disc Pin Issue on a Fisher Type A11 Butterfly Valve |
01/23/2012 |
ML12025A168 |
2011-56-00 |
Fisher Controls |
Possible Disc Pin Issue on a Fisher Type A11 Butterfly Valve |
12/13/2011 |
ML11348A244 |
2011-55-01 |
Flowserve |
Potential Defective Part in Limitorque SMB-0 Heavy Spring Pack |
06/27/2012 |
ML12181A143 |
2011-55-00 |
Flowserve |
Potential Defective Part in SMB-0 Heavy Spring Pack |
12/06/2011 |
ML11342A072 |
2011-54-00 |
Curtiss Wright Flow Control Co. |
Defective Spring Clips Used as Seismic Restraints on Two Scientific Modules |
12/05/2011 |
ML11341A060 |
2011-53-00 |
Flowserve |
Limitorque SMB-5T Actuator Clutch Lug Failure |
11/29/2011 |
ML11334A077 |
2011-52-00 |
North Anna 3 |
Early Site Permit Postulated Seismic Acceleration is Less than Projected Based on New Information |
11/16/2011 |
ML11321A323 |
2011-51-00 |
Browns Ferry |
GE HGA Relay Failure Causes Core Spray to be Inoperable (a 10 CFR 50.73 Report) |
10/14/2011 |
ML11287A036 |
2011-50-01 |
Baldor Electric Co |
Motor Power Leads Undersized |
12/22/2011 |
ML12003A224 |
2011-50-00 |
Baldor Electric Co |
Motor Power Leads Undersized |
11/09/2011 |
ML11318A023 |
2011-49-01 |
Seabrook |
General Electric CR-120B Relays Supplied by National Technical Systems Fail Bench Test |
11/17/2011 |
ML11327A010 |
2011-49-00 |
Seabrook |
General Electric CR-120B Relays Supplied by National Technical Systems Fail Bench Test |
11/01/2011 |
ML11306A194 |
2011-48-00 |
Waterford |
Vendor Notification of Non-Conforming Part Renders Both Trains of QSPDS Inoperable (a 10 CFR 50.73 Report) |
09/26/2011 |
ML11272A035 |
2011-47-00 |
Palisades |
Service Water Pump Shaft Coupling Failure (a 10 CFR 50.73 Report) |
10/03/2011 |
ML112760550 |
2011-46-01 |
Louisiana Energy Services |
Potentially Undersized Welds on Centrifuge T-Column Base Plate Connectors |
11/23/2011 |
ML11329A081 |
2011-46-00 |
Louisiana Energy Services |
Potentially Undersized Welds on Centrifuge T-Column Base Plate Connectors |
10/21/2011 |
ML11298A191 |
2011-45-00 |
Engine Systems, Inc. |
Emergency Diesel Generator Piston Delamination |
10/18/2011 |
ML11298A190 |
2011-44-01 |
ATC Nuclear |
Notification of Defective Moore 535 Controllers |
07/07/2012 |
ML121910333 |
2011-44-00 |
ATC Nuclear |
Notification of Defective Moore 535 Controllers |
10/06/2011 |
ML11284A017 |
2011-43-00 |
Ametek SolidState Controls |
Diode Failures Due to Deterioration |
09/28/2011 |
ML11277A271 |
2011-42-00 |
Rosemount Nuclear Instruments |
Notification that Certain Rosemount Pressure Transmitters May Not Perform Their Intended Safety Function |
09/06/2011 |
ML11251A198 |
2011-41-01 |
Emerson Process Management, LLC |
Possible Weld Rod Certification Issues |
09/07/2011 |
ML11252B082 |
2011-41-00 |
Emerson Process Management, LLC |
Possible Weld Rod Certification Issues |
08/05/2011 |
ML11221A104 |
2011-40-00 |
Engine Systems, Inc. |
Emergency Diesel Generator Failed Air Start Motor |
08/01/2011 |
ML11215A009 |
2011-39-01 |
Qualtech NP |
Potential Defects in Qualtech NP Safety Related Motor Control Center Buckets |
08/05/2011 |
ML11220A349 |
2011-39-00 |
Qualtech NP |
Potential Defects in Qualtech NP Safety Related Motor Control Center Buckets |
07/15/2011 |
ML11214A109 |
2011-38-00 |
ABB, Inc. |
Defective Capacitors Cause Under-Frequency Trip Setpoint Drift In ABB KF Protective Relays |
07/22/2011 |
ML11214A108 |
2011-37-01 |
Browns Ferry |
Inadequate Design of EDG Governor Hydraulic Oil Pipe Causes Leak (a 10 CFR 50.73 report supplement) |
03/21/2012 |
ML12083A194 |
2011-37-00 |
Browns Ferry |
Inadequate Design of EDG Governor Hydraulic Oil Pipe Causes Leak (a 10 CFR 50.73 report) |
06/27/2011 |
ML11180A267 |
2011-36-00 |
Beaver Valley, Unit 2 |
Defective Fuel Injection Pump Supply Lines Supplied by Manufacturer (a 10 CFR 50.73 Report) |
05/19/2011 |
ML11145A171 |
2011-35-00 |
Emerson Process Management |
Valve Failed Leak Test Due To A Disc/Shaft Assembly Machining Issue |
07/08/2011 |
ML11193A007 |
2011-34-00 |
Automatic Valve Corporation |
Seal Failure And Leakage Associated With Model B5497-301 Valves |
07/01/2011 |
ML11186A891 |
2011-33-01 |
Summer |
Appendix R Analyses Fails to Recognize Hot-Short Failure Resulting in the Loss of An Essential Electrical Bus |
06/29/2011 |
ML11186A904 |
2011-33-00 |
Summer |
Appendix R Analyses Fails to Recognize Hot-Short Failure Resulting in the Loss of An Essential Electrical Bus |
06/29/2011 |
ML11182A917 |
2011-32-00 |
Fitzpatrick |
Rosemount Model 710 Trip Units Would Not Turn On During Testing |
06/16/2011 |
ML11171A066 |
2011-31-01 |
Oconee |
Non-Conservative Valve Actuator Program Software |
07/13/2011 |
ML11199A006 |
2011-31-00 |
Oconee |
Non-Conservative Valve Actuator Program Software |
06/13/2011 |
EN 46955 |
2011-30-01 |
Shaw Areva MOX Services |
Applied Technical Services, Inc - Noncompliance to Percent Elongation Requirements On UT Standards Material |
07/13/2011 |
ML11196A048 |
2011-30-00 |
Shaw Areva MOX Services |
Applied Technical Services, Inc - Noncompliance to Percent Elongation Requirements On UT Standards Material |
06/09/2011 |
ML11164A148 |
2011-29-01 |
Flowserve |
Possible Deficiency in Environmental Testing of Limitorque Geared Limit Switch for Inside Containment |
08/02/2011 |
ML11214A160 |
2011-29-00 |
Flowserve |
Possible Deficiency in Environmental Testing of Limitorque Geared Limit Switch for Inside Containment |
06/03/2011 |
ML11159A031 |
2011-28-00 |
Velan Valve |
Potential Defect In Certain Velan Supplied Globe Valves |
06/03/2011 |
ML11159A030 |
2011-27-00 |
Braidwood, Unit 1 |
Manufacturing Defect in ABB ITE-27N Undervoltage Relay (a 10 CFR 50.73 Report) |
05/03/2011 |
ML111230612 |
2011-26-00 |
ASCO Valve, Inc. |
U-Rings Fabricated with Incorrect Material |
05/12/2011 |
ML11136A217 |
2011-25-01 |
Engine Systems, Inc. |
Potential Defect in Magnetrol Level Switch from Engine Systems |
05/13/2011 |
ML11146A108 |
2011-25-00 |
Engine Systems, Inc. |
Potential Defect in Magnetrol Level Switch from Engine Systems Incorporated |
04/15/2011 |
ML11117A306 |
2011-24-01 |
Crystal River, Unit 3 |
Calculations for Reactor Vessel Internals Baffle Bolts Found Non-Conservative |
07/13/2011 |
ML11203A514 |
2011-24-00 |
Crystal River, Unit 3 |
Calculations for Reactor Vessel Internals Baffle Bolts Found Non-Conservative |
04/26/2011 |
ML11117A305 |
2011-23-01 |
ABB, Inc. |
SS5 Solid State Relays Trip Below Expected Current |
09/28/2011 |
ML11273A048 |
2011-23-00 |
ABB, Inc. |
SS5 Solid State Relays Trip Below Expected Current |
05/02/2011 |
ML111250239 |
2011-22-02 |
Curtiss Wright Flow Control Co. |
Potential Defect in Submersible Valve Position Sensors |
01/04/2012 |
ML12006A203 |
2011-22-01 |
Curtiss Wright Flow Control Co. |
Potential Defect in Submersible Valve Position Sensors |
08/12/2011 |
ML11234A046 |
2011-22-00 |
Curtiss Wright Flow Control Co. |
Potential Defect in Submersible Valve Position Sensors |
04/22/2011 |
ML11126A231 |
2011-21-02 |
SOR Inc Process Instrumentation |
Pressure Switch With Possible Sub-Standard Electrical Lead Terminations |
05/04/2011 |
ML11140A087 |
2011-21-01 |
SOR Inc Process Instrumentation |
Pressure Switch With Possible Sub-Standard Electrical Lead Terminations |
05/04/2011 |
ML11126A015 |
2011-21-00 |
SOR Inc Process Instrumentation |
Pressure Switch With Possible Sub-Standard Electrical Lead Terminations |
05/04/2011 |
EN 46821 |
2011-20-01 |
ABB, Inc. |
Potential Deviation In Seismic Ratings of ABB, Inc. KF Relay Family |
07/14/2011 |
ML11208C457 |
2011-20-00 |
ABB, Inc. |
Potential Deviation In Seismic Ratings Of ABB Inc. KF Relay Family |
04/15/2011 |
ML11117A307 |
2011-19-00 |
Varian Medical Systems, Inc. |
Potential Defect Identified in a Varian Medical Systems High Dose Rate Afterloader |
04/15/2011 |
ML11117A308 |
2011-18-00 |
TE Connectivity |
NPKC-7-21A(N) Electrical Splice Kit with Possible Compromised Jacket Seal |
04/14/2011 |
ML11115A039 |
2011-17-02 |
Browns Ferry, Unit 1 |
Failure of a Low Pressure Coolant Injection Flow Control Valve (a 10 CFR 50.73 Report Supplement) |
09/30/2013 |
ML13275A139 |
2011-17-01 |
Browns Ferry, Unit 1 |
Failure of a Low Pressure Coolant Injection Flow Control Valve (a 10 CFR 50.73 Report Supplement) |
02/10/2012 |
ML12045A343 |
2011-17-00 |
Browns Ferry, Unit 1 |
Failure of a Low Pressure Coolant Injection Flow Control Valve (a 10 CFR 50.73 Report) |
04/01/2011 |
ML110960589 |
2011-16-00 |
Rotork Controls, Inc. |
Manufacturing Defect Discovered in 30NA1 Motor Cover Casting |
04/07/2011 |
ML11103A051 |
2011-15-01 |
Shaw AREVA MOX Services |
Yield Strength Deviation on Nelson Post-Annealed Stainless Steel Studs |
04/07/2011 |
ML111010192 |
2011-15-00 |
Shaw AREVA MOX Services |
Yield Strength Deviation on Nelson Post-Annealed Stainless Steel Studs ( Interim Report) |
02/2/2011 |
ML110340154 |
2011-14-01 |
Louisiana Energy Services |
Turnbuckle Collar Threads Out of Tolerance |
04/07/2011 |
ML11103A048 |
2011-14-00 |
Louisiana Energy Services |
Turnbuckle Collar Threads Out of Tolerance |
03/24/2011 |
ML110890543 |
2011-13-00 |
Automatic Valve Corporation |
Valve Plunger Guide Malfunction |
03/23/2011 |
ML110840037 |
2011-12-01 |
Fort Calhoun Station |
Defective Potter Brumfield Relays Discovered During Bench Testing |
04/19/2011 |
ML111101512 |
2011-12-00 |
Fort Calhoun Station |
Defective Potter Brumfield Relays Discovered During Bench Testing |
03/21/2011 |
ML110810064 |
2011-11-01 |
McGuire Nuclear Station |
Paint Chips Discovered in Woodward Governors |
04/18/2011 |
ML11116A096 |
2011-11-00 |
McGuire Nuclear Station |
Paint Chips Discovered in Woodward Governors |
03/18/2011 |
EN 46681 |
2011-10-00 |
Fisher Controls International |
Error in Butterfly Valve Body Drawing |
03/04/2011 |
ML110670170 |
2011-09-00 |
Tyco Electronics |
Specific E7000 Relays with Defective Coils |
02/28/2011 |
ML110610704 |
2011-08-00 |
ASCO Valve, Inc. |
Interim Report on NH90 Hydramotor Rotor-Shaft Assemblies |
02/25/2011 |
ML110590892 |
2011-07-01 |
Palo Verde Nuclear Generating Station |
Misaligned Bell Alarm Switch Brackets on ABB K-600S 480 VAC Class 1E Circuit Breakers |
03/23/2011 |
ML110950658 |
2011-07-00 |
Palo Verde Nuclear Generating Station |
Misaligned Bell Alarm Switch Brackets on ABB K-600S 480 VAC Class 1E Circuit Breakers |
02/24/2011 |
ML110590886 |
2011-06-00 |
Oconee Nuclear Station |
Weld Discontinuities found in Structural Steel Components (Interim Report) |
02/17/2011 |
ML110530493 |
2011-05-00 |
Fairbanks Morse Engine |
Linear Indications (hot tears) on Opposed Piston Emergency Diesel Generator Bearings |
02/07/2011 |
ML110460122 |
2011-04-01 |
Catawba Nuclear Station |
Bus Disconnect Stab Assembly - 600V Essential Motor Control Centers |
02/22/2011 |
ML110550615 |
2011-04-00 |
Catawba Nuclear Station |
Bus Disconnect Stab Assembly - 600V Essential Motor Control Centers |
01/24/2011 |
ML110280015 |
2011-03-01 |
Oconee Nuclear Station |
Foreign Material Found in Spare Heat Exchanger |
02/09/2011 |
ML110460030 |
2011-03-00 |
Oconee Nuclear Station |
Foreign Material Found in Spare Heat Exchanger |
01/19/2011 |
ML110210121 |
2011-02-01 |
ABB, Inc. |
Potential Defect for COM5, COM9 and COM11 Overcurrent Relays |
02/08/2011 |
ML110480083 |
2011-02-00 |
ABB, Inc. |
Potential Defect for COM5, COM9 and COM11 Overcurrent Relays |
01/14/2011 |
ML110250193 |
2011-01-00 |
Fairbanks Morse Engine |
Potential Safety Hazard on Speed Switch Installed on Emergency Diesel Generator |
01/18/2011 |
ML110190072 |