| Log No. |
Notifier |
Description |
Report Date |
Event No. / Accession No. |
| 2024-17-00 |
Global Nuclear Fuel |
Part 21 Final Report Notification: GNF3 Spacer Relocation |
04/22/2024 |
ML24113A202 |
| 2024-18-00 |
Sequoyah Nuclear Plant |
Interim Report of a Deviation or Failure to Comply – Transducer Model 8005N |
04/25/2024 |
ML24116A261 |
| 2024-15-00 |
Paragon Energy Solutions |
Interim Report of a Deviation Associated with a Potential Defect with Schneider Electric Medium Voltage VR Type Circuit Breaker Part Number V5D4133Y000 |
04/16/2024 |
ML24108A079 |
| 2024-16-00 |
Farley Nuclear Plant |
10 CFR Part 21 Report for Siemens Low Voltage AKW Circuit Breaker |
04/15/2024 |
ML24106A162 |
| 2024-14-00 |
Engine Systems Inc |
Interim Report of a Deviation Associated with a Leaking Cylinder Liner in Emergency Diesel Generator |
04/12/2024 |
ML24107A697 |
| 2024-13-00 |
Transco Products Inc |
Interim Report of a Deviation Associated with Unverified Critical Characteristics of Darmatt KM-1 Flat Board |
04/09/2024 |
ML24103A202 |
| 2024-07-01 |
Xcel Energy / Prairie Island Nuclear Generating Plant |
Interim Report of a Potential Deviation or Failure to Comply Associated with Bentley Systems Incorporated AutoPIPE Software (Update) |
04/09/2024 |
ML24101A063 |
| 2024-12-00 |
Diablo Canyon Power Plant |
10 CFR Part 21 Interim Report Regarding Mechanical Snubbers |
04/03/2024 |
ML24095A157 |
| 2024-10-01 |
Cooper Nuclear Station |
10 CFR Part 21 Report Regarding Service Water Booster Pump Bearing Housing Covers |
03/27/2024 |
ML24087A214 |
| 2024-11-00 |
Alpha-Omega Services, Inc |
Interim Report of a Deviation Associated with Failure to Comply with Testing Requirements |
03/18/2024 |
ML24086A017 |
| 2024-10-00 |
Cooper Nuclear Station |
Interim Report of a Deviation Associated with a Residual Heat Removal Service Water Booster Pump Bearing Housing Cover Oil Leak |
03/01/2024 |
EN 57001 |
| 2024-09-00 |
Fairbanks Morse |
Interim Report of a Deviation Associated with Synchro-Start Mini-Gen Signal Generator, Woodward Part Number (PN) SA-3176-D; Fairbanks Morse PN 16302997 |
02/25/2024 |
ML24057A338 |
| 2024-08-00 |
Fairbanks Morse |
Interim Report of a Deviation Associated with Air Start Valve ASCO Part Number (PN) X300529797001HN, Fairbanks Morse PN 11916969 |
02/25/2024 |
ML24057A337 |
| 2024-02-01 |
Tennessee Valley Authority |
Final Report of a Deviation Associated with a Crompton Instruments Type 077 Ammeter |
02/22/2024 |
ML24053A393 |
| 2023-31-01 |
Tennessee Valley Authority |
Final Report of a Deviation Associated with a Lube Oil Scavenging and Fuel Oil Engine Driven Pump |
02/14/2024 |
ML24046A025 |
| 2024-07-00 |
Xcel Energy / Prairie Island Nuclear Generating Plant |
Interim Report of a Deviation Associated with Bentley Systems Incorporated AutoPIPE Software |
02/09/2024 |
ML24040A171 |
| 2024-06-00 |
Ametek Solidstate Controls |
Interim Report of a Deviation Associated with an Oil Filled Capacitors in Aluminum Case Part Number 07-020139-10 |
02/09/2024 |
ML24043A086 |
| 2024-04-01 |
VC Summer Nuclear Station |
Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Control Power Circuit Monitor (CP1) Relay on its 'B' Emergency Diesel Generator |
02/07/2024 |
ML24038A031 |
| 2024-03-01 |
VC Summer Nuclear Station |
Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Field Flash Contactor (K2) relay on its 'B' Emergency Diesel Generator |
02/07/2024 |
ML24038A032 |
| 2023-26-02 |
Tioga Pipe, Inc |
Final Report of a Deviation Associated with Buttweld 90 Degree Elbows |
02/02/2024 |
ML24037A020 |
| 2023-27-01 |
TVA (Tennessee Valley Authority) |
Final Report of a Deviation Associated with Starter Contactors for the BFN Unit 1 High Pressure Coolant Injection Suppression Pool Inboard Suction Valve |
02/01/2024 |
ML24032A476 |
| 2023-24-01 |
Tennessee Valley Authority |
Final Report of a Deviation or Failure to Comply Associated with a Relay in the Unit 2 Reactor Core Isolation Cooling Condensate Pump |
01/23/2024 |
ML24023A280 |
| 2024-05-00 |
VC Summer Nuclear Station |
Interim Report of a Deviation Associated with Emergency Diesel Generator Fuel Oil Piping |
01/18/2024 |
ML24018A011 |
| 2024-01-01 |
Engine Systems, INC. |
Interim Report of a Deviation Associated with an Electro-Motive Diesel (EMD) Cylinder Liner with Bore Deficiency, P/N 9318833 (component of power assembly P/N 40124897) |
01/17/2024 |
ML24018A014 |
| 2023-28-01 |
Paragon Energy Solutions |
Final Report of a Deviation Associated with Detroit Diesel/MTU Fuel Injectors PN R5229660 Cat ID# 0001390618 |
01/17/2024 |
ML24018A036 |
| 2023-20-02 |
Browns Ferry Nuclear Plant |
Final Report of a Deviation Associated with a Deviation or Failure to Comply Associated with Check Valve 0-CKV-023-0565 for D1 Residual Heat Removal Service Water Pump |
01/16/2024 |
ML24016A304 |
| 2024-04-00 |
VC Summer Nuclear Station |
Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Control Power Circuit Monitor (CP1) Relay on its 'B' Emergency Diesel Generator |
01/10/2024 |
EN 56919 |
| 2024-03-00 |
VC Summer Nuclear Station |
Interim Report of a Deviation Associated with a Manufacturing Defect Affecting a Field Flash Contactor (K2) relay on its 'B' Emergency Diesel Generator |
01/10/2024 |
EN 56920 |
| 2024-01-00 |
Engine Systems, INC. |
Interim Report of a Deviation Associated with an Electro-Motive Diesel (EMD) Cylinder Liner with Bore Deficiency, P/N 9318833 (component of power assembly P/N 40124897), S/N 20M0938. |
01/04/2024 |
ML24008A069 |
| 2024-02-00 |
Tennessee Valley Authority |
Interim Report of a Deviation Associated with an Crompton Instruments Type 077 Ammeter |
01/03/2024 |
ML24004A033 |
| 2023-31-00 |
Tennessee Valley Authority |
Interim Report of a Deviation Associated with an Lube Oil Scavenging and Fuel Oil Engine Driven Pump |
12/28/2023 |
ML24002A711 |
| 2023-30-00 |
Valcor Engineering Corporation |
Interim Report of a Defect Associated with Valcor Solenoid Valves V52600-5890-1 |
12/22/2023 |
ML23363A146 |
| 2023-29-00 |
VC Summer |
Interim Report of a Deviation Associated with the Design of an Emergency Diesel Generator Fuel Oil Piping System |
12/21/2023 |
EN 56905 |
| 2023-28-00 |
Paragon Energy Solutions |
Interim Report of a Deviation Associated with Detroit Diesel/MTU Fuel Injectors PN R5229660 Cat ID# 0001390618 |
12/19/2023 |
ML23354A094 |
| 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 |
| 2023-27-00 |
TVA (Tennessee Valley Authority) |
Interim Report of a Deviation Associated with Starter Contactors for the BFN Unit 1 High Pressure Coolant Injection Suppression Pool Inboard Suction Valve |
12/14/2023 |
ML23348A394 |
| 2023-25-01 |
Sequoyah |
Final Report of a Deviation Associated with Siemens 6.9kV, 1200A Vacuum Circuit Breaker Defects |
01/10/2024 |
ML24010A213 |
| 2023-25-00 |
Sequoyah |
Interim Report of a Deviation Associated Siemens 6.9kV, 1200A Vacuum Circuit Breaker Defects |
12/13/2023 |
EN 56888 |
| 2023-26-01 |
Flowline Inc. |
Interim Report of a Deviation Associated with Buttweld 90 Degree Elbows |
12/12/2023 |
ML24004A209 |
| 2023-26-00 |
Tioga |
Interim Report of a Deviation Associated with Buttweld 90 Degree Elbows |
12/08/2023 |
ML23352A238 |
| 2023-23-01 |
Enertech |
Final Report of a Deviation Associated with P/N D2060S Potentiometer |
12/07/2023 |
ML23352A246 |
| 2023-24-00 |
Tennessee Valley Authority |
Interim Report of a Deviation or Failure to Comply Associated with a Relay in the Unit 2 Reactor Core Isolation Cooling Condensate Pump |
12/01/2023 |
ML23335A072 |
| 2023-19-01 |
Flowserve Limitorque Actuators |
Final Report of a Deviation Associated with a SMB-1 Geared Limit Switch Assembly |
11/17/2023 |
ML23324A377 |
| 2023-20-01 |
Browns Ferry Nuclear Plant |
Interim Report of a Deviation Associated with a Deviation or Failure to Comply Associated with Check Valve 0-CKV-023-0565 for D1 Residual Heat Removal Service Water Pump |
11/16/2023 |
ML23320A254 |
| 2023-22-02 |
MISTRAS Group, Inc |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding a Deviation in the Calibration Certificates for An Acoustic Emission Instrument |
11/10/2023 |
ML23317A291 |
| 2023-21-01 |
DC Cook Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding an issue with an Emergency Diesel Generator (EDG) Digital Reference Unit (DRU) supplied by Engine Systems Incorporated |
11/08/2023 |
ML23312A231 |
| 2023-23-00 |
Enertech |
Interim Report of a Deviation Associated with P/N D2060S Potentiometer |
10/27/2023 |
ML23306A072 |
| 2023-22-01 |
MISTRAS Group, Inc |
Deviation in the Calibration Certificates for An Acoustic Emission Instrument |
10/31/2023 |
EN 56808 |
| 2022-20-01 |
Grand Gulf |
Primary Containment Outer Airlock Door Inoperable Due to Unacceptable Leak Rate |
11/30/2022 |
ML22334A222 |
| 2023-22-00 |
MISTRAS Group, Inc |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding a Deviation in the Calibration Certificates for an Acoustic Emission Instrument |
10/20/2023 |
ML23296A086 |
| 2023-21-00 |
DC Cook Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding an issue with an Emergency Diesel Generator (EDG) Digital Reference Unit (DRU) supplied by Engine Systems Incorporated |
10/12/2023 |
EN 56789 |
| 2023-20-00 |
Browns Ferry Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding a Deviation or Failure to Comply Associated with Check Valve 0-CKV-023-0565 for D1 Residual Heat Removal Service Water Pump |
10/06/2023 |
ML23282A002 |
| 2023-19-00 |
Flowserve Limitorque Actuators |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding a Deviation Associated With a SMB-1 Geared Limit Switch Assembly |
09/28/2023 |
ML23276A641 |
| 2023-18-01 |
Paragon Energy Solutions |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding Potential Defect with Eaton JD and HJD Series Molded Case Circuit Breakers |
10/05/2023 |
ML23279A061 |
| 2023-18-00 |
Paragon Energy Solutions |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Potential Defect with Eaton JD and HJD Series Molded Case Circuit Breakers |
09/06/2023 |
ML23254A024 |
| 2023-16-01 |
Cooper Nuclear Station |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Certain GE-Hitachi HGA Relays |
09/06/2023 |
ML23249A112 |
| 2023-14-01 |
GE Hitachi Nuclear Energy |
Part 21 Final Report Notification: Failure of the CRD Collet Retainer Tube/Outer Tube Weld |
07/27/2023 |
ML23207A198 |
| 2023-14-00 |
GE Hitachi Nuclear Energy |
Updated - Part 21 60-Day Interim Report Notification: Failure of the CRD Collet Retainer Tube/Outer Tube Weld |
08/31/2023 |
ML23243B004 |
| 2023-15-01 |
Paragon Energy Solutions |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding Defect with Eaton/Cutler Hammer Size 4 and 5 Freedom Series Contactors |
08/25/2023 |
ML23241A002 |
| 2023-13-01 |
River Bend Station |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Motor Driven Relay Failed Testing |
08/24/2023 |
ML23236A246 |
| 2023-17-01 |
Curtis-Wright Nuclear Division |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding Tyco (Agastat) Relay Failures
|
10/05/2023 |
ML23293A051 |
| 2023-17-00 |
Curtis-Wright Nuclear Division |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Tyco (Agastat) Relay Failures |
08/17/2023 |
ML23233A169 |
| 2023-16-00 |
Cooper Nuclear Station |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Certain GE-Hitachi HGA Relays |
08/15/2023
|
EN 56679 |
| 2023-15-00 |
Paragon Energy Solutions |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Defect with Eaton/Cutler Hammer Size 4 and 5 Freedom Series Contactors |
08/03/2023 |
ML23221A370 |
| 2023-12-01 |
Summer |
10 CFR Part 21 Report Emergency Feedwater Check Valve Socket Head Capscrew |
07/31/2023 |
ML23212A954 |
| 2023-13-00 |
River Bend Station |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Motor Driven Relay Failed Testing |
07/26/2023 |
EN 56641 |
| 2023-10-01 |
Paragon Energy Solutions |
Retraction of Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Potential Defect with Trane External Auto/Stop and Emergency Stop Relay Card PN: X13650728-06 |
07/14/2023 |
ML23207A076 |
| 2023-12-00 |
Summer |
Initial Report Notification Pursuant to 10 CFR Part 21.21, Regarding Cap Screw Improper Length |
07/07/2023 |
EN 56612 |
| 2023-11-00 |
Engine Systems, INC |
Initial Report Notification Pursuant to 10 CFR Part 21.21, Regarding Voltage Regulator Chassis – Bus Bar Installation |
06/30/2023 |
ML23192A062 |
| 2023-09-01 |
DTE Electric Company, Fermi 2 |
Final Report Notification Pursuant to 10 CFR Part 21.21, Regarding Mechanical Draft Cooling Tower Fan Brakes Design Flaw |
06/23/2023 |
ML23177A043 |
| 2023-10-00 |
Paragon Energy Solutions |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Potential Defect with Trane External Auto/Stop and Emergency Stop Relay Card PN: X13650728-06 |
06/05/2023 |
ML23159A005 |
| 2023-09-00 |
DTE Electric Company, Fermi 2 |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Mechanical Draft Cooling Tower Fan Brakes Design Flaw |
05/26/2023 |
ML23159A004 |
| 2023-08-00 |
Engine Systems, INC |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Woodward EGB-35P Governor |
05/24/2023 |
ML23146A001 |
| 2023-07-00 |
Flowserve Limitorque Actuators |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Limitorque Actuator Motor Pinion Installation |
05/19/2023 |
ML23142A174 |
| 2023-01-02 |
Sequoyah Nuclear Plant |
Retraction of Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Deviation or Failure to Comply Associated with a Limitorque Actuator |
05/04/2023 |
ML23124A018 |
| 2023-06-00 |
Tennessee Valley Authority |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Deviation or Failure to Comply Associated with a GE HFA Relay |
05/01/2023 |
ML23121A325 |
| 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 |
| 2023-05-00 |
Framatome Inc. |
Initial Report Notification Pursuant to 10 CFR Part 21.21, Regarding DS-206DC/416/632/II-516 Breakers – Erroneous Change of State (Eaton Corporation Breakers) |
04/07/2023 |
ML23100A107 |
| 2023-03-01 |
Paragon Energy Solutions |
Final Report Notification Pursuant to 10 CFR Part 21.21 Defect identified in Automatic Transfer Switch PN: NLI-ATS480A400X1 |
03/31/2023 |
ML23094A137 |
| 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 |
| 2023-04-00 |
Trillium Flow Technologies |
Initial Report Notification Pursuant to 10 CFR Part 21.21 Regarding Inconsistent Crimping of Motor Leads to Ring Terminal Connectors - Evaluation I211003 |
03/06/2023 |
ML23082A112 |
| 2023-03-00 |
Paragon Energy Solutions |
Initial Report Notification Pursuant to 10 CFR Part 21.21 Defect identified in Automatic Transfer Switch PN: NLI-ATS480A400X1 |
03/06/2023 |
ML23065A196 |
| 2022-26-02 |
Flowserve-Limitorque |
Final Notification of Potential Part 21 on Peerless 56 frame DC Motors |
03/03/2023 |
ML23065A200 |
| 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 |
| 2023-01-01 |
Sequoyah Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Deviation or Failure to Comply Associated with a Limitorque Actuator |
03/01/2023 |
ML23060A041 |
| 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 |
| 2022-26-01 |
Flowserve-Limitorque |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Peerless 56 Frame DC Motors |
01/27/2023 |
ML23030A664 |
| 2023-02-00 |
Sequoyah Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Siemens Medium Voltage Circuit Breakers |
01/25/2023 |
ML23025A253 |
| 2023-01-00 |
Sequoyah Nuclear Plant |
Interim Report Notification Pursuant to 10 CFR Part 21.21, Regarding Deviation or Failure to Comply Associated with a Limitorque Actuator |
01/24/2023 |
ML23024A029 |