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 Issue dateTitleTopic
ML22087A0099 March 2022Ultra Energy, Report Under 10CFR21 of Noncompliance for N7030 Transmitter
ML19347A42610 December 2019General Atomics - Reportable Occurrence Under 10CFR21: Reported Failure in Analog High Range Radiation Monitor (RP-2C)Post Accident Monitoring
ML19168A01031 May 2019Curtis-Wright Nuclear Division- Notification Report for Potential Part 21 Update
ML19158A13031 May 2019Curtiss-Wright Nuclear Division - Notification Report for Potential Part 21 Update
ML19078A0878 March 2019Curtiss-Wright - Interim Notification Report for Potential Part 21 Update
ML19053A5001 February 2019Sor, Inc. Part 21 Notification of Deviation Sor R-Series Housing with Terminal Block
ML18289A4578 October 2018Curtiss-Wright Nuclear Division - Interim Notification Report for Potential Part 21 with Exelon Powerlabs Failure Analysis
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
ML16281A27130 September 2016Part 21 - Safety Related Component Welding by an Unqualified Welder
ML16243A47526 August 2016Part 21 Safety Related Component Welding by an Unqualified Welder
ML16188A37430 June 2016Part 21 - Inadequate Swaging and Adherence of Silicone O-Ring and Silicone PAD Soft Seat Main Disc and Pilot Disc Assemblies
ML15259A52110 September 2015Part 21 Report - Potential Failure of Electromatic Relief Valve Cutout Switches
ML15253A85910 September 2015GE-Hitachi Nuclear Energy Americas, LLC - Closure of Part 21 60-Day Interim Report Notification: Potential Failure of Electromatic Relief Valve Cutout Switch
ML15211A49624 July 2015Part 21 - Actuator Shaft Did Not Meet Dimensional Requirements
ML15169A00818 June 2015Attachment 1 - Us Plants Potentially Affected
ML15169A00918 June 2015Attachment 2 - 60-Day Interim Report Notification Information Per 21.21(a)(2)
ML15169A01018 June 2015Enclosure 1 - Mfn 15-042 R0 - Description of Evaluation
ML15169A00717 June 2015Part 21 60-Day Interim Report Notification: Potential Failure of Electromatic Relief Valve Cutout Switch
ML15161A2304 June 2015Part 21 Report Regarding Potential Failure of a Time Relay at Quad Cities
ML15022A65020 January 2015Letter from Steven R. Eisenberg USNRC 10CFR Part 21 Notification
ML14275A16225 September 2014Notification of Potential Part 21 Report - Electromatic Relief Valve Excessive WearUnanalyzed Condition
Fitness for Duty
ML14210A01023 July 2014Part 21 - Unseating of Valve Spring on Scram Solenoid Pilot ValveSafe Shutdown
Shutdown Margin
Scram Discharge Volume
ML14204A70823 July 2014Enclosure 2, Description of Closure Evaluation, Non-Proprietary Information - Class I (Public)Safe Shutdown
Shutdown Margin
Scram Discharge Volume
ML14204A70723 July 2014Completed Evaluation of Part 21 Potentially Reportable Condition Notification: Unseating of Valve Spring on SSPV
ML14197A38014 July 2014Part-21 Notification-Assembly Errors During Breaker Refurbishment
ML14072A32813 March 2014Part 21 60-Day Interim Report Notification Re Unseating of Valve Spring on SSPV
ML14072A32613 March 2014Enclosure 2: Description of EvaluationShutdown Margin
Scram Discharge Volume
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 Methodology
ML13044A0758 February 2013Part 21 - Completed Evaluation for Potential Error in Main Steam Line High Flow Calculational Methodology
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
ML12258A39910 September 2012Potential Part 21 Issue Related to Tyco Timing Relay
ML12219A3042 August 2012Potential Part 21 Issue Related to Tyco Timing Replay
ML12177A05621 June 2012Part 21 - Reliability Degradation of Resistors in Trip Units and Readout Assemblies
ML12158A4476 June 2012Part 21 60-Day Interim Report Notification - Closufailure of CRD Collet Retainer Tube/Outer Tube Weld
ML12163A1306 June 2012Part 21 Report - Failure of CRD Collet Retainer Tube/Outer Tube Weld
ML12094A3712 April 2012Part 21 Report - Rosemount Pressure Transmitters with Nonzero Based Calibrations
ML12058A14123 February 2012Part 21 Report - Rosemount Nuclear Instruments, Inc., Pressure Transmitter with Nonzero Based Calibrations
ML12040A2837 February 2012Notification of Potential Part 21 - Failure to Include Seismic Input in Reactor Control Blade Customer GuidanceSafe Shutdown Earthquake
Operating Basis Earthquake
Channel-control blade interference
ML12038A0282 February 2012Failure of CRD Collet Retainer Tube/Outer Tube Weld
ML12032A2401 February 2012Notification of Potential Part 21 - 60-Day Interim Report Notification: Failure of CRD Collet Retainer Tube/Outer Tube Weld
ML11228A08412 August 2011Notification of Part 21 - Failure to Include Seismic Input in Reactor Control Blade Customer GuidanceSafe Shutdown Earthquake
Operating Basis Earthquake
Channel-control blade interference
Scram Discharge Volume
ML11224014211 August 2011Part 21 60-Day Interim Report Notification: Failure to Include Seismic Input in Channel-Control Blade Interference Customer GuidanceSafe Shutdown Earthquake
Channel-control blade interference
Scram Discharge Volume
ML11067017428 February 2011Notification of Potential Part 21 Re Limited E7000 Relay Recall (CII-021)
ML11061070428 February 2011Notification of Potential Part 21 Report - Specified Relays with Degraded Coils
ML11048005415 February 2011Notification of Potential Part 21 Reportable Condition: Crack Indications in Marathon Control Rod Blades