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 Issue dateTitleTopic
ML19347A42610 December 2019General Atomics - Reportable Occurrence Under 10CFR21: Reported Failure in Analog High Range Radiation Monitor (RP-2C)Post Accident Monitoring
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
ML19080A0598 March 2019Interim Report of Potential 10CFR Part 21, Eaton A200 Series Starters/Contactors
ML18087A00321 March 2018Crane Nuclear, Inc. - Part 21 Notification of Defect on Crane Nuclear Figure Number 83 1/2 Spl 10x8x10 and 6x4x6 Bolted Bonnet Gate Valve (Updated)
ML18079A0146 March 2018Crane Nuclear, Inc., 10 CFR Part 21 Notification of Defect on Crane Nuclear Figure Number 83 1/2 Spl I0x8x10 and 6x4x6 Bolted Bonnet Gate Valve
ML18075A3556 March 201810 CFR Part 21 Notification of Defect on Crane Nuclear Figure Number 83 1/2 Spl 10x8x10 and 6x4x6 Bolted Bonnet Gate Valve
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
ML17179A3787 June 2017TE Connectivity - Part 21 Transfer of Information TE-023
ML17039A5693 February 2017Final Part 21 Report on Defect, Potential for Test Induced Damage 0867F Series Main Steam Safety Relief Valves
ML16321A45121 October 2016Part 21 Reporting of Defects and Noncompliance
ML16243A47225 August 2016Part 21 Reporting of Defects and Noncompliance
ML16188A37430 June 2016Part 21 - Inadequate Swaging and Adherence of Silicone O-Ring and Silicone PAD Soft Seat Main Disc and Pilot Disc Assemblies
ML16139A83410 May 2016Electroswitch - Transmittal of 10CFR Part 21 Reporting of Defects and Noncompliance Regarding Vendor Inspection of Electroswitch Corporation Docket No. 99900833
ML15265A41821 September 2015Sor, Inc. - Part 21 Notification of Deviation - ML15251A212 Irradiation Certification with Insufficient Margin
ML15211A49724 July 2015Part 21 - Mounting Bracket Seismic Qualification
ML15187A17230 June 2015Interim Part 21 Report - Potential Test Induced Defect in 0867F Main Steam Safety Relief ValvesFlow Induced Vibration
ML15134A0171 May 2015Part 21 Report Regarding Potential Test Induced Defect in a 0867F Main Steam Safety Relief ValvesFlow Induced Vibration
ML15077A42217 March 2015Curtiss Wright Flow Control Co., Interim Part 21 Report - Potential Test Induced Defect in a 0867F Main Steam Safety Relief Valves
ML15022A65020 January 2015Letter from Steven R. Eisenberg USNRC 10CFR Part 21 Notification
ML14210A01023 July 2014Part 21 - Unseating of Valve Spring on Scram Solenoid Pilot ValveSafe Shutdown
Shutdown Margin
Scram Discharge Volume
ML14204A70723 July 2014Completed Evaluation of Part 21 Potentially Reportable Condition Notification: Unseating of Valve Spring on SSPV
ML14204A70823 July 2014Enclosure 2, Description of Closure Evaluation, Non-Proprietary Information - Class I (Public)Safe Shutdown
Shutdown Margin
Scram Discharge Volume
ML13238A25321 August 2013Notification of Potential Part 21 Report - Foxboro Power Supply Potential Failures Due to Defective the Wraps and Holders
ML13165A34212 June 201360-Day Interim Report Involving an Evaluation of a Design Change to Magne-Blast Circuit Breakers
ML13127A0123 May 2013Notification of Potential Interim Part 21 Report of Defect in a Relief Valve Bellows
ML13093A1532 April 2013Part 21 Report - Foxboro Power Supply Potential Failures Due to Defective Tie Wraps and Holders
ML13064A01225 February 2013Notification of Potential Part 21 Report Re Wedge Pin Failure of an Anchor/Darling Double-Disc Gate ValveAnchor Darling
ML13044A0758 February 2013Part 21 - Completed Evaluation for Potential Error in Main Steam Line High Flow Calculational Methodology
ML13042A0968 February 2013Completed Evaluation of Part 21 Potentially Reportable Condition Notification: Error in Main Steam Line High Flow Calculational Methodology
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
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
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
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
ML12006A2034 January 2012Notification of Potential Part 21 Re Defect in Submersible Valve Position Sensors
ML12005A2313 January 2012Notification of Potential Part 21 Report - Defective 48 Volt DC Safety Related Power Supplies
ML11234A04612 August 2011Notification of Potential Defect in Submersible Valve Position Sensors
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
ML11048005415 February 2011Notification of Potential Part 21 Reportable Condition: Crack Indications in Marathon Control Rod Blades
ML11046048715 February 2011Notification of Potential Part 21 Reportable Condition Re Design Life of D and s Lattice Marathon Control Blades
ML10351003115 December 2010Notification of Potential Part 21 Report Concerning Failure to Include Seismic Input in Reactor Control Blade Customer GuidanceSafe Shutdown Earthquake
Operating Basis Earthquake
Channel-control blade interference
ML10350017415 December 2010Notification of Potential Part 21 Re 60-Day Interim Report Notification: Failure to Include Seismic Input in Channel-Control Blade Interference Customer GuidanceSafe Shutdown Earthquake
Operating Basis Earthquake
Channel-control blade interference