| Log No. |
Notifier |
Description |
Report Date |
Event No. / Accession No. |
| 2022-28-02 |
Velan Inc |
Final Report Notification Pursuant To 10 CFR Part 21.21, Regarding 14NPS Class 150 Triple Offset Butterfly Valve - Model W19-0CP13-KCDN-B0001 |
03/07/2023 |
ML23066A221 |
| 2022-28-01 |
Velan Inc |
Interim Report Notification Pursuant To 10 CFR Part 21.21, Regarding 14NPS Class 150 Triple Offset Butterfly Valve - Model W19-0CP13-KCDN-B0001 |
01/19/2023 |
ML23023A036 |
| 2022-28-00 |
Velan Inc |
Interim Report Notification Pursuant To 10 CFR Part 21.21, Regarding 14NPS Class 150 Triple Offset Butterfly Valve |
12/21/2022 |
ML22356A058 |
| 2022-27-01 |
Wolf Creek Nuclear Operating Corporation |
Interim Notification Pursuant To 10 CFR Part 21.21, Regarding Main Steam Isolation Valves (MSIVs ) (Valve Type PPS-A 700) and Main Feedwater Isolation Valves (MFIVs) (Valve Type PPS-A 300) Torque Values |
01/11/2023 |
ML23011A062 |
| 2022-27-00 |
Wolf Creek Nuclear Operating Corporation |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Inadequate Torque Values |
12/12/2022 |
EN 56269 |
| 2022-26-02 |
Flowserve-Limitorque |
Final Notification of Potential Part 21 on Peerless 56 frame DC Motors |
03/03/2023 |
ML23065A200 |
| 2022-26-01 |
Flowserve-Limitorque |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Peerless 56 Frame DC Motors |
01/27/2023 |
ML23030A664 |
| 2022-26-00 |
Flowserve-Limitorque |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Peerless 56 Frame DC Motors |
12/01/2022 |
ML22342B140 |
| 2022-25-01 |
QualTech NP, Curtiss-Wright Nuclear Division |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Eaton TRM5 Timing Relays |
02/06/2023 |
ML23038A019 |
| 2022-25-00 |
Curtiss-Wright Nuclear Division |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding QualTech NP Supplied Eaton TRM5 Timing Relays |
11/30/2022 |
ML22341A032 |
| 2022-24-00 |
Flowserve Corporation |
10 CFR Part 21 Report 38878-8 Solenoid Valve at Duke, Catawba Flowserve Evaluation #105 |
11/10/2022 |
ML22319A094 |
| 2022-23-03 |
United Controls International |
Final Report Notification Pursuant To 10 CFR Part 21.21, Regarding Schneider Electric P/N ASP840-000 Modicon Primary/Secondary Power Supply Failures |
04/14/2023 |
ML23108A083 |
| 2022-23-02 |
United Controls International |
Interim Report Notification Pursuant To 10 CFR Part 21.21, Regarding Schneider Electric P/N ASP840-000 Modicon Primary/Secondary Power Supply Failures |
03/03/2023 |
ML23065A193 |
| 2022-23-01 |
United Controls International |
Interim Report Notification Pursuant To 10 CFR Part 21.21, Regarding Schneider Electric P/N ASP840-000 Modicon Primary/Secondary Power Supply Failures |
01/03/2023 |
ML23004A091 |
| 2022-23-00 |
United Controls International |
Notification under 10 CFR Part 21 for Schneider Electric P/N: ASP840-000 Modicon Primary/Secondary Power Supply |
11/04/2022 |
ML22314A013 |
| 2022-22-00 |
Fairbanks Morse |
Basic Component Which Fails to Comply or Contains a Defect (Woodward 2301A Emergency Diesel Generator Electronic Speed Control Module) |
10/31/2022 |
ML22307A060 |
| 2022-21-00 |
Nutherm International, Inc |
NRC 10 CFR Part 21 Notification, Nutherm, written notification of potential defect found in Nutherm/Sola Hevi-Duty Uninterruptible Power Supply (UPS), S4K2U1000-NM 191 |
11/01/2022 |
ML22307A019 |
| 2022-20-01 |
Grand Gulf |
Primary Containment Outer Airlock Door Inoperable Due to Unacceptable Leak Rate |
11/30/2022 |
ML22334A222 |
| 2022-20-00 |
Grand Gulf |
Inadequate Lubrication of Containment Personnel Airlock Equalizing Valves |
10/31/2022 |
ML22305A515 |
| 2022-19-00 |
Emerson Automation Solutions / Rosemount Nuclear Instruments, Inc |
Notification under 10 CFR Part 21 for Rosemount 3153N Series Pressure Transmitter with Rosemount 3159 Remote Seals with the LG1 option |
11/01/2022 |
ML22307A020 |
| 2022-18-01 |
Tioga Pipe Inc. |
Revised Final Report Notification Pursuant To 10 CFR Part 21.21, Regarding Supply Of 6" NPS Sch. 40 Seamless Stainless-Steel Pipe |
09/02/2021 |
ML22303A005 |
| 2022-18-00 |
Tioga Pipe Inc. |
Final Report Notification Pursuant To 10 CFR Part 21.21, Regarding Supply Of 6" NPS Sch. 40 Seamless Stainless-Steel Pipe |
08/31/2021 |
ML22303A004 |
| 2022-17-01 |
Global Nuclear Fuel |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding GNF3 Raised Water Rod (SC-22-04 Revision 2) |
11/30/2022 |
ML22334A267 |
| 2022-17-00 |
Global Nuclear Fuel |
Part 21 60-Day Interim Report Notification: GNF3 Raised Water Rod |
10/28/2022 |
ML22301A174 |
| 2022-16-01 |
Diversified Machine Components |
Part 21 Notification - Part Number 00900490-00114N Lock Nut (see pages 3 and 4) |
09/07/2022 |
ML22286A048 |
| 2022-16-00 |
Diversified Machine Components |
Part 21 Initial Notification - Part Number 00900490-00114N Lock Nut (see pages 1 and 2) |
09/02/2022 |
ML22286A048 |
| 2022-15-01 |
SNC (Southern Nuclear Operating Company) |
Final Report of a Deviation Associated with Framatome Supplied Siemens Medium Voltage Circuit Breakers |
12/15/2023 |
ML23349A115 |
| 2022-15-00 |
Farley, Units 1 and 2 |
Interim 10 CFR 21.21(a)(2) Report Regarding Framatome Supplied Siemens Medium Voltage Circuit Breakers |
08/17/2022 |
ML22229A515 |
| 2022-14-00 |
NTS |
Interim Potential Part 21 on Siemens Medium Voltage Circuit Breakers with 3AF Operators Sold to Wolf Creek Nuclear Generating Station |
08/05/2022 |
ML22238A152 |
| 2022-13-00 |
Leonardo DRS Naval Power Systems |
16-AAT907B Power Supply 10 CFR Part 21 Notification |
08/02/2022 |
ML22220A236 |
| 2022-12-01 |
Valcor Engineering Corporation |
Part 21 Final Notification – Premature Failures of Valcor Coil Shell Assemblies |
09/12/2022 |
ML22266A194 |
| 2022-12-00 |
Valcor Engineering Corporation |
Part 21 Interim Report Notification – Premature Failures of Valcor Coil Shell Assemblies |
07/18/2022 |
ML22266A193 |
| 2022-11-00 |
Framatome Inc. |
Notification of 10 CFR Part 21 Defect and Failure to Comply: Relay - Failure to Change State |
07/13/2022 |
ML22201A101 |
| 2022-10-00 |
Flowserve U S, Inc. |
Solenoid Coil Failure of Model 38878-8 Solenoid Valve at Catawba Nuclear Station for use on FWIV Actuator |
07/01/2022 |
ML22222A009 |
| 2022-09-03 |
Curtiss-Wright Nuclear Division |
Updated Report Notification Pursuant To 10 CFR Part 21.21, Regarding Potential Defect in Configuration of Quick Disconnect Connector Cable Assemblies |
12/16/2022 |
ML22356A051 |
| 2022-09-02 |
Curtiss-Wright Nuclear Division |
Closure Notification of the Potential Defect in Configuration of Quick Disconnect Connector Cable Assemblies (P/N: 913602-111) |
08/26/2022 |
ML22259A173 |
| 2022-09-01 |
Curtiss-Wright Nuclear Division |
Follow Up to Potential Defect in Configuration of Quick Disconnect Connector Cable Assemblies (P/N: 913602-111) |
07/25/2022 |
ML22215A250 |
| 2022-09-00 |
Curtiss-Wright Nuclear Division |
Potential Defect in Configuration of Quick Disconnect Connector Cable Assemblies (P/N: 913602-111) |
06/24/2022 |
ML22208A168 |
| 2022-08-00 |
Nutherm International, Inc. |
10 CFR Part 21 Notification – Arnold Magnetics Power Supply Part Number PBM-24-106 |
06/17/2022 |
ML22208A004 |
| 2022-07-00 |
Westinghouse Electric Company |
Notification of the Potential Existence of Defects Pursuant to 10 CFR Part 21 |
04/11/2022 |
ML22140A208 |
| 2022-06-00 |
McGuire Nuclear Station |
Interim Report of a Deviation or Failure to Comply |
04/08/2022 |
ML22098A016 |
| 2022-05-00 |
QualTech NP |
10 CFR Part 21 Notification for a Curtiss-Wright Supplied RCS/Dresser Actuator, P/N SURE-24-10-4 |
04/06/2022 |
ML22153A079 |
| 2022-04-01 |
V.C. Summer |
Updated 10 CFR 21 Report – Feedwater Isolation Valve Poppet Seal Failure |
05/26/2022 |
ML22146A396 |
| 2022-04-00 |
V.C. Summer |
10 CFR 21 Report – Feedwater Isolation Valve Poppet Seal Failure |
03/30/2022 |
ML22089A244 |
| 2022-03-00 |
Engine Systems, Inc. |
EMD Cylinder Head with Fireface Thickness Below Specification Cylinder Head P/N 40121485 |
03/29/2022 |
ML22098A117 |
| 2022-02-00 |
Ultra Energy |
Report Under 10 CFR 21 of Noncompliances to Specification for N7030 Temperature Transmitter |
03/09/2022 |
ML22087A009 |
| 2022-01-00 |
Emerson Process Management / TopWorx |
Interim Report of a Deviation Related to Limit Switch Dual Continuity Indication |
01/28/2022 |
ML22060A124 |