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 Issue dateTitleTopic
ML23066A2217 March 2023Velan, Inc. - Revised Part 21 Notification Re Butterfly Valves Found to Have a Number of Fasteners Loose
ML22301A17428 October 2022Global Nuclear Fuel Americas, LLC (GNF) - Part 21 60-Day Interim Report Notification: GNF3 Raised Water Rod (SC-22-04 Rt)Affidavit
GNF3
Water rod
ML22305A51522 February 2022EN 56192 - Grand Gulf Nuclear Station Re Elevation Outer Containment Personnel Airlock Door Failed Its Technical Specification Leakage TestUnanalyzed Condition
Fitness for Duty
ML21225A0814 August 2021Lake Engineering Co., Final Report Per 10 CFR Part 21 Degraded Snubber SF1154 Hydraulic Fluid Batch No. 17BLVS293
M210077, GE Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Fuel Support Side Entry Orifice Meta-Stable Flow for 2 Beam Locations in the BWR/6 Reactors17 June 2021GE Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Fuel Support Side Entry Orifice Meta-Stable Flow for 2 Beam Locations in the BWR/6 ReactorsOperability Determination
Fuel cladding
ML21168A21717 June 2021GE Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Fuel Support Side Entry Orifice Meta-Stable Flow for 2 Beam Locations in the BWR/6 ReactorsOperability Determination
Fuel cladding
ML21014A2347 December 2020Fourth Interim Notification Per 10 CFR Part 21 Re Degraded Snubber SF1154 Hydraulic Fluid Batch No. 17BLVS293
ML20366A04718 November 2020Curtiss-Wright 10 CFR Part 21 Notification for SF-1154 Hydraulic Fluid Batch 17BLVS293
M200087, GE-Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Non-Conservative BWR/6 Side Entry Orifice (SEO) Loss Coefficients24 June 2020GE-Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Non-Conservative BWR/6 Side Entry Orifice (SEO) Loss CoefficientsOperability Determination
Fuel cladding
ML20176A43224 June 2020GE-Hitachi Nuclear Energy Americas, LLC - 10 CFR Part 21.21(d)-Reportable Condition: Non-Conservative BWR/6 Side Entry Orifice (SEO) Loss CoefficientsOperability Determination
Fuel cladding
ML19253A05329 August 2019Azz Nuclear - Report of Potential 1O CFR Part 21, Eaton Size 1 and 2 A200 Series Starters/Contactors
ML19120A10617 April 2019Interim Report of Potential 10 CFR Part 21, Eaton Size 1 and 2 A200 Series Starters/Contactors
ML19101A0974 April 2019Weir Valves & Controls USA, Inc. Part 21 Written Notification - Event Number: 53973 - 24 Class 150 Globe Alve for RHRSW HX Isolation MOV, E1150F068B at Detroit Edison - Fermi, Unit 2, Experienced Two Stem Failures
ML19080A0598 March 2019Interim Report of Potential 10CFR Part 21, Eaton A200 Series Starters/Contactors
ML19002A20421 December 2018to Engine Systems, Inc., Part 21 Report Re Emd Fuel and Soakback Pumps - Potentially Undertorqued Cover Bolts
ML18354A7424 December 2018Engine Systems, Inc., Submittal of 1OCFR21 Reporting of Defects and Non-Compliance - Report No. 1OCFR21-0123, Rev. 0 - Emo Fuel and Soakback Pumps - Potentially Undertorqued Cover Bolts
ML18353A42830 November 2018Engine Systems, Inc., 10CFR21-0123, Rev. 0, for a 10CFR21 Reportable Condition on Emd Fuel and Soakback Pumps
ML17313A4713 November 2017Part 21 - Potentially Degraded Snubber SF1154 Hydraulic Fluid Batch 14ELVS145 Interim Report
ML17212A62824 July 2017Lake Engineering Co. - Potentially Degraded Snubber SF1154 Hydraulic Fluid Second - Interim Notification Per 10 CFR Part 21
ML17194A82511 July 2017Part 21 Report Re Wedge Pin Failure in Anchor Darling Motor Operated Double Disc Gate Valves with Threaded Stem to Upper Wedge ConnectionsAnchor Darling
ML17090A39827 March 2017Engine Systems, Inc. - Part 21 Report Regarding Identification of Failed Diode Surge Suppressor with Internal Manufacturing Defect
ML17081A45320 March 2017Part 21 - Plastic Jar Dedication Sampling
ML17026A41420 January 2017C&D Technologies, Inc. - Part 21 - Plastic Jar Dedication Sampling
ML16313A06218 October 2016C&D Technologies, Inc. - 10 CFR Part 21 Evaluation Regarding Terminal Welding Failure in 3DCU-9 BatteriesCommercial Grade
ML16294A26418 October 2016Part 21 Report - Defective Current to Pressure Transducers
ML16252A27429 August 2016Azz/Nli - Part 21 Report - Potential Allen Bradley Timing RelayCommercial Grade
ML16188A37430 June 2016Part 21 - Inadequate Swaging and Adherence of Silicone O-Ring and Silicone PAD Soft Seat Main Disc and Pilot Disc Assemblies
ML16194A19925 May 2016Azz/Nli - Update - Report of Potential 10CFR Part 21, Allen Bradley Timing Relay Model 700RTCCommercial Grade
ML15134A0161 May 2015Part 21 Report Regarding Potentially Unqualified Component in Certain Allen Bradley Timing RelaysCommercial Grade
ML15159A56830 April 2015Report of Potential 10CFR Part 21, Allen Bradley Timing Relay Model 700RTCCommercial Grade
ML15022A65020 January 2015Letter from Steven R. Eisenberg USNRC 10CFR Part 21 Notification
ML14274A05222 September 2014Final Report 10CFR Part 21 Evaluation Regarding Misaligned Separators in LCR-25 Standby Batteries, Revision 1 - Original Letter Did Not Include the List of Affected Utilities
ML14265A04912 September 2014Amendment to Part 21 Report from Abb, Inc Re Deviation of K-Line Circuit Secondary Close Latch (Event #50371)
ML14237A12115 August 2014Notification of Potential Part 21 Re Notice of Deviation Regarding K-Line Circuit Breaker Secondary Close Latch
ML14210A01023 July 2014Part 21 - Unseating of Valve Spring on Scram Solenoid Pilot ValveSafe Shutdown
Shutdown Margin
Scram Discharge Volume
Failure to Scram
Affidavit
ML14204A70723 July 2014Completed Evaluation of Part 21 Potentially Reportable Condition Notification: Unseating of Valve Spring on SSPVAffidavit
ML14204A70823 July 2014Enclosure 2, Description of Closure Evaluation, Non-Proprietary Information - Class I (Public)Safe Shutdown
Shutdown Margin
Scram Discharge Volume
Failure to Scram
ML14134A0798 May 2014Part 21 - Potential Defect in NUS-710DU Trip Unit to Produce a Valid Trip Output Signal
ML14139A2598 May 201410 CFR Part 21 Report Notification, NUS710DU Trip Units
ML13340A3825 December 2013Part 21 Reportable Condition Notification: Failure of Relay Logic Card Modules in 2 Out of 4 VotersAffidavit
ML13284A0843 October 2013Deficiency Report from Baldor Electric Co., on Nuclear Nonconformance Event No. 49302
ML13165A34212 June 201360-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML13064A01225 February 2013Notification of Potential Part 21 Report Re Wedge Pin Failure of an Anchor/Darling Double-Disc Gate ValveAnchor Darling
ML13042A0968 February 2013Completed Evaluation of Part 21 Potentially Reportable Condition Notification: Error in Main Steam Line High Flow Calculational MethodologyPower Uprate
ML13044A0758 February 2013Part 21 - Completed Evaluation for Potential Error in Main Steam Line High Flow Calculational MethodologyPower Uprate
ML12352A12313 December 201260-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML12348A13613 December 2012Part 21 60-Day Interim Report Notification: Adequacy of Design Change in Am Magne-Blast Circuit Breakers
ML12347A30812 December 2012Part 21 60-Day Interim Report Notification: Error in Main Steam Line High Flow Calculational Methodology
ML12319A01227 September 2012Error in Main Steam Line High Flow Calculational Methodology
ML12177A05621 June 2012Part 21 - Reliability Degradation of Resistors in Trip Units and Readout Assemblies
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