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 Issue dateTitleTopic
NL-23-0901, 30-Day 10 CFR 21 Notification - Framatome Supplied Siemens Medium Voltage (Mv) Circuit Breakers15 December 202330-Day 10 CFR 21 Notification - Framatome Supplied Siemens Medium Voltage (Mv) Circuit Breakers
ML22307A0603 November 2022EN 56200 - Fairbanks Morse Re Basic Component Which Fails to Comply or Contains a Defect
ML20028D38013 January 202010CFR21 Notification for Ashcroft 2-1/2 & 3-1/2 1009, 63mm 2008, 63mm & 100mm 1008 Industrial Gauges, Weksler 3-1/2 Regal Gauges
ML19347A42610 December 2019General Atomics - Reportable Occurrence Under 10CFR21: Reported Failure in Analog High Range Radiation Monitor (RP-2C)Post Accident Monitoring
ML19190A0447 June 201910 CFR Part 21 Reporting of Defects for Introl Positioner 890265-010 - Cw SAS Initial Report No. 10CFR21-48
ML19168A01231 May 2019Paragon Energy Solution LLC-10 CFR Part 21 Report of Defect GS2 Terry Turbine Introl Positioners
ML19158A13131 May 2019Paragon Energy Systems LLC -10 CFR Part 21 Report of Defect GS2 Terry Turbine Introl Positioners
ML17340A39228 November 201710CFR21 Reporting of Defects and Non-Compliance - Engine Systems, Inc. Report No. 10CFR21-0119, Rev. 0Safe Shutdown
ML17333A37921 November 2017Engine Systems, Inc. 10 CFR 21 Reportable Notification on a Power Supply (P/N 2938604)Safe Shutdown
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
ML17081A45320 March 2017Part 21 - Plastic Jar Dedication Sampling
ML17026A41420 January 2017C&D Technologies, Inc. - Part 21 - Plastic Jar Dedication Sampling
ML16278A47122 September 2016Notification of 10 CFR Part 21 Condition, Masterpact Breaker Fail to Close
ML16281A27022 September 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML16251A0982 September 2016Part 21 - Potential Failure of Battery System Connections
ML16139A83213 May 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML16139A83313 May 2016Part 21 - Initial Notification of Masterpact Breaker Fail to Close
ML16125A36026 April 2016Part 21 - Hydraulic Snubber Seal Material Deviation Interim Report
ML15201A2878 July 2015Crane Nuclear, Inc. - Part 21 Interim Report - Notification of Pressure Seal Valve Yoke Material ComplianceNondestructive Examination
ML15089A43720 March 2015Part 21 - Dual Alarm Modules That May Contain Faulty Diodes in Single State Relays
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
ML14169A03015 June 2014Update to Interim Report - 10CFR 21 Evaluation Regarding Potential Deficiencies in Seismic Qualifications for PV-62
ML14094A4451 April 2014Notification of Part 21 Report on Defective Raw Material Used to Manufacture Valve Stems
ML14069A4682 March 2014Part 21 Report - Defective Raw Material Used to Manufacture Valve Stems
ML14071A47726 February 2014Report of Potential Defect Per 1OCFR Part 21 Primary Disconnect Assembly
ML14069A46726 February 2014Part 21 Report Involving a Potential Manufacturing Defect in Replacement Masterpact Cradles
ML13238A25321 August 2013Notification of Potential Part 21 Report - Foxboro Power Supply Potential Failures Due to Defective the Wraps and Holders
ML13211A16826 July 2013Westinghouse, Notification of Potential Existence of Defects Pursuant to 10 CFR Part 21 Inconsistency Between the Intended Design Functionality of the Shield Passive Thermal Shutdown Seal (SDS) and That Observed During Post-Service TestingFLEX
Large early release frequency
Fire Protection Program
ML13165A34212 June 201360-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML13093A1532 April 2013Part 21 Report - Foxboro Power Supply Potential Failures Due to Defective Tie Wraps and Holders
ML13092A11829 March 2013Notification of Potential Part 21 Interim Report on the Failure of an Emergency Diesel Generator Excitation SystemNondestructive Examination
Aging Management
ML13073A10712 March 2013Notification of Potential Part 21 Report - Defective Raw Material Used to Manufacture Valve Stems
ML13063A4431 March 201310 CFR Part 21 Report Notification, Dual Alarm Modules and Single Alarm Modules
ML13064A01225 February 2013Notification of Potential Part 21 Report Re Wedge Pin Failure of an Anchor/Darling Double-Disc Gate ValveAnchor Darling
ML12348A13613 December 2012Part 21 60-Day Interim Report Notification: Adequacy of Design Change in Am Magne-Blast Circuit Breakers
ML12352A12313 December 201260-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML12318A0418 November 2012Part 21 Report - Commercial Grade Dedication Not Properly Applied to Butterfly ValvesCommercial Grade Dedication
Condition Adverse to Quality
ML12283A2435 October 2012Part 21 - Steam Generator Tube Wear Adjacent to Retainer Bars
ML12283A3025 October 2012Part 21 Report Re Steam Generator Tube to Tube Wear Identified at San Onofre Nuclear Generating Station
ML12283A24628 September 2012Part 21 - Fairbanks Morse Opposed Piston EDG Oil Pump LeakHydrostatic
ML12255A0547 September 2012Part 21 - Steam Generator Tube Wear Adjacent to Retainer Bars
ML12255A0537 September 2012Part 21 Interim Report - Steam Generator Tube Wear
ML12163A1306 June 2012Part 21 Report - Failure of CRD Collet Retainer Tube/Outer Tube Weld
ML12157A3114 June 2012Part 21 - Steam Generator Tube Wear Adjacent to Retainer Bars
ML12157A3104 June 2012Part 21 Interim Report - Steam Generator Tube Wear
ML12121A51319 April 2012Interim Report of Evaluation of a Deviation Pursuant to 10 CFR 21.21(a)(2)
ML12121A50919 April 2012Mitsubishi Nuclear Energy Systems, Part 21 Interim Report - Steam Generator Tube Wear
ML12109A09413 April 2012Part 21 Interim Report - Steam Generator Tube Wear
ML12094A3712 April 2012Part 21 Report - Rosemount Pressure Transmitters with Nonzero Based Calibrations