Spotlight
Part 21 Reports: 2021
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| Log No. | Notifier | Description | Report Date | Event No. / Accession No. |
|---|---|---|---|---|
| 2021-29-03 | Lake Engineering Co. | Final Report per 10 CFR Part 21 Degraded Snubber SF1154 Hydraulic Fluid Batch No. 18CLVS431 | 07/31/2022 | ML22234A160 |
| 2021-29-02 | Lake Engineering Co. | Third Interim Notification per 10 CFR Part 21: Degraded Snubber SF1154 Hydraulic Fluid Batch No. 18CLVS431 | 05/12/2022 | ML22154A191 |
| 2021-29-01 | Lake Engineering Co. | Second Interim Notification per 10 CFR Part 21: Degraded Snubber SF1154 Hydraulic Fluid Batch No. 18CLVS431 | 03/03/2022 | ML22067A172 |
| 2021-29-00 | Lake Engineering Co. | Interim Notification per 10 CFR Part 21: Degraded Snubber SF1154 Hydraulic Fluid Batch No. 18CLVS431 | 12/28/2021 | ML22019A176 |
| 2021-28-00 | Callaway Plant | Written Notification Regarding Paragon Energy Solutions, LLC Power Supplies | 12/01/2021 | ML21363A151 |
| 2021-27-00 | Engine Systems, Inc. | Part 21 Notification for Defective Hinge Pin Retainer Plug on Diesel Check Valve PN ESI50359 | 11/24/2021 | ML22021A029 |
| 2021-26-00 | Paragon Energy Solutions | Final Notification of a Deviation with Inverter Assembly (Model NLI-072034-CSI-K-5-A) | 10/27/2021 | ML21322A051 |
| 2021-25-00 | United Controls International | United Controls International - 10 CFR21 Notification for York PIN: TCM-1 A Temperature Control Modules | 10/28/2021 | ML21306A180 |
| 2021-24-00 | Engine Systems, Inc. | Part 21 Reportable Notification on a Pressure Regulator Valve | 10/18/2021 | ML21295A247 |
| 2021-23-00 | Flowserve | Part 21 Notification for Limitorque Supplied DC Motor | 10/04/2021 | ML21294A029 |
| 2021-22-00 | Paragon Energy Solutions | Notification of a Deviation with Inverter Assembly | 09/28/2021 | ML21294A030 |
| 2021-21-01 | Southern Nuclear / Farley Units 1 and 2 | Written 10 CFR 21 Notification – General Electric Hitachi Trip Unit Rivets Popping Off | 10/22/2021 | ML21295A328 |
| 2021-21-00 | Farley Units 1 and 2 | Initial 10 CFR 21 Notification – General Electric Hitachi Trip Unit Rivets Popping Off | 09/24/2021 | ML21267A538 |
| 2021-20-00 | V. C. Summer | Condition Prohibited by Technical Specifications (involving supports for SR Chillers) (a 50.73 Report) (See related Log No. 2021-0012-01) | 08/26/2021 | ML21238A158 |
| 2021-19-00 | TE Connectivity | Part 21 Transfer of Information – HI-POT Tester for EGP/ETR Series Relays | 09/14/2021 | ML21264A133 |
| 2021-18-01 | Flowserve Nuclear Products Operations | Closure of Formal Evaluation - DC Cook O-Ring | 10/11/2021 | ML21288A055 |
| 2021-18-00 | Flowserve Nuclear Products Operations | Interim Report – Formal Evaluation of Deviations Reported | 09/10/2021 | ML21258A254 |
| 2021-17-00 | Ametek Solidstate Controls, Inc | Notification of Potential Defect – 10 CFR Part 21 for Omron Timer Relay | 09/09/2021 | ML21260A007 |
| 2021-16-01 | Arkansas Nuclear One, Units 1 and 2 | Retraction of Interim Part 21 Report Concerning Potential Defect of FlowServe/Kerotest Globe Valve | 10/29/2021 | ML21302A072 |
| 2021-16-00 | Arkansas Nuclear One, Units 1 and 2 | Interim Part 21 Report Concerning Potential Defect of FlowServe/Kerotest Globe Valve | 08/25/2021 | ML21237A248 |
| 2021-15-00 | Phi-Delta, Inc. | Error Notification for Level 4 Bug in PD/EPD STRUDL | 06/14/2021 | ML21215A030 |
| 2021-14-00 | Engine Systems, Inc. | Zinc Anode Installed in Emergency Diesel Generator Heat Exchanger (P/N 1335BEM2P) | 07/09/2021 | ML21209A529 |
| 2021-13-00 | Vogtle Electric Generating Plant Units 3 and 4 | Submittal of 10 CFR 50.55(e) Report Regarding Electrical Construction and Measuring & Test Equipment Control | 06/25/2021 | ML21176A200 |
| 2021-12-01 | Paragon Energy Solutions | Deviation Identified in the Bolting Utilized to Maintain Seismic Qualification (Update) | 06/28/2021 | ML21187A124 |
| 2021-12-00 | Paragon Energy Solutions | Deviation Identified in the Bolting Utilized to Maintain Seismic Qualification | 06/10/2021 | ML21174A009 |
| 2021-11-01 | Framatome Inc. | Long Term Solution for 10 CFR Part 21 Defect | 09/23/2021 | ML21271A234 |
| 2021-11-00 | Framatome Inc. | 10 CFR Part 21 Notification of Existence of a Defect | 06/02/2021 | ML21161A238 |
| 2021-10-00 | Xcel Energy / Monticello | Initial and Final Written 10 CFR 21 Notification for GE Hitachi NUMAC Power Range Nuclear Monitoring System | 05/07/2021 | ML21130A302 |
| 2021-09-01 | GE Hitachi Nuclear Energy | 10 CFR Part 21.21(d)-Reportable Condition: Fuel Support Side Entry Orifice Meta-Stable Flow for 2 Beam Locations in the BWR/6 Reactors | 06/17/2021 | ML21168A217 |
| 2021-09-00 | GE Hitachi Nuclear Energy | Part 21 60-Day Interim Report Notification: Side Entry Orifice Hydraulic Loss Coefficient (SC 21-04 R0) | 04/19/2021 | ML21109A337 |
| 2021-08-01 | Meggitt Safety Solutions, Inc. | Closure of MSSI Interim Report of a Deviation pursuant to 10 CFR 21.21(a)(2) | 06/04/2021 | ML21161A008 |
| 2021-08-00 | Meggitt Safety Solutions, Inc | Interim Report of a Deviation pursuant to 10 CFR 21.21(a)(2) | 04/05/2021 | ML21099A085 |
| 2021-07-02 | Ametek Solidstate Controls, Inc | Final Notification of Potential Defect - 300V, 250A Clamp Diodes | 02/11/2022 | ML23229A005 |
| 2021-07-01 | AMETEK Solidstate Controls | Udated Notification of Potential Defect - 300V, 250A Clamp Diodes | 04/06/2021 | ML21096A114 |
| 2021-07-00 | AMETEK Solidstate Controls | Notification of Potential Defect - 300V, 250A Clamp Diodes | 04/01/2021 | ML21092A129 |
| 2021-06-05 | Paragon Energy Solutions | 10 CFR Part 21 Notification: P21-03302021, Rev. 3: Failures of Size 1 and 2 Freedom Series Full Voltage Reversing Starters | 06/20/2025 | ML25174A179 |
| 2021-06-04 | Paragon Energy Solutions | Failure of Size 1 and 2 Freedom Series FVR Starters (written notification of the identification of a defect) | 06/29/2021 | ML21181A220 |
| 2021-06-03 | Paragon Energy Solutions | Interim Report for Failures of Size 1 and 2 Freedom Series Full Voltage Reversing Starters | 05/28/2021 | ML21152A279 |
| 2021-06-02 | Paragon Energy Solutions | Failure of Size 1 and 2 Freedom Series FVR Starters (Updated Part Numbers and Date Codes) | 05/03/2021 | EN 55223 |
| 2021-06-01 | Paragon Energy Solutions | Failure of Size 1 and 2 Freedom Series FVR Starters | 04/29/2021 | ML21126A172 |
| 2021-06-00 | Paragon Energy Solutions | Failure of Size 1 and 2 Freedom Series FVR Starters | 03/30/2021 | EN 55162 |
| 2021-05-01 | Gutor Electronic LLC | Final Report of Notification of Potential Defect (A070 Controller Boards) | 03/19/2021 | ML21105A359 |
| 2021-05-00 | Gutor Electronic LLC | Potential Defect of Basic Components (A070) Controller Boards | 02/12/2021 | ML21084A114 |
| 2021-04-00 | Browns Ferry Nuclear Power Plant | Interim Report of a Deviation or Failure to Comply | 03/23/2021 | ML21082A116 |
| 2021-03-01 | Crane Nuclear, Inc. | Closure of Potential Part 21 Issue | 06/03/2021 | ML21158A007 |
| 2021-03-00 | Crane Nuclear, Inc. | Potential Part 21 Issue | 03/05/2021 | ML21089A050 |
| 2021-02-01 | Flowserve Limitorque | Final Report of the Evaluation of a Deviation Pursuant to 10 CFR 21.21(a)(2) | 04/20/2021 | ML21111A322 |
| 2021-02-00 | Flowserve Limitorque | Interim Report of the Evaluation of a Deviation Pursuant to 10 CFR 21.21(a)(2) | 02/04/2021 | ML21036A187 |
| 2021-01-01 | Arkansas Nuclear One, Unit 1 | Retraction of an Interim Report Concerning an Evaluation of Deviation | 03/15/2021 | ML21074A338 |
| 2021-01-00 | Arkansas Nuclear One, Unit 1 | Interim Report Concerning an Evaluation of Deviation | 01/18/2021 | ML21018A005 |
Page Last Reviewed/Updated Thursday, June 26, 2025
Page Last Reviewed/Updated Thursday, June 26, 2025