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	Issue date	Title	Topic
L-21-266, Response to Request for Additional Information on Proposed Inservice Inspection Alternative RR-A2	27 January 2022	Response to Request for Additional Information on Proposed Inservice Inspection Alternative RR-A2	Boric Acid Loop seal Hydrostatic Operating Basis Earthquake Nondestructive Examination Finite Element Analysis Feedwater Heater License Renewal Earthquake Pressure boundary leak Through-Wall Leak Power change Unidentified leakage Unidentified leak
ML20302A313	25 September 2020	3 to Updated Final Safety Analysis Report, Section 18, Managing the Effects of Component Aging	Boric Acid Fire Barrier Weld Overlay Coatings Nondestructive Examination VT-2 Incorporated by reference High Energy Line Break Aging Management Pressure and Temperature Limits Report Foreign Material Exclusion Flow Accelerated Corrosion Stress corrosion cracking Integrated leak rate test Eddy Current Testing Moisture barrier License Renewal Earthquake Maintenance Rule Program Control of Heavy Loads EVT-1 Liquid penetrant Fire Protection Program Dissimilar Metal Weld Scaffolding Flow Induced Vibration Power Uprate Measurement Uncertainty Recapture Thermography Thermal fatigue
ML16104A301	30 April 2016	NUREG-2193, Vol. 2, Safety Evaluation Report Related to the License Renewal of Davis-Besse Nuclear Power Station. Docket Number 50-346, Firstenergy Nuclear Operating Company Sections 4 to 6 Appendices.	Boric Acid Fire Barrier Safe Shutdown Earthquake Weld Overlay Hydrostatic Coatings Nondestructive Examination Incorporated by reference Finite Element Analysis Aging Management Pressure and Temperature Limits Report Intergranular Stress Corrosion Cracking Stress corrosion cracking Integrated leak rate test Moisture barrier License Renewal Exemption Request Earthquake Maintenance Rule Program EVT-1 Liquid penetrant Dissimilar Metal Weld Scaffolding Power change Flow Induced Vibration Power Uprate Measurement Uncertainty Recapture Overspeed trip
ML15113B133	31 March 2015	to ANP-3290, Reactor Vessel Internals Inspection Plan for the Davis-Besse Nuclear Power Plant, Unit No. 1.	Non-Destructive Examination Functionality Assessment Aging Management Intergranular Stress Corrosion Cracking Stress corrosion cracking License Renewal Earthquake EVT-1 Power Uprate Measurement Uncertainty Recapture
L-13-328, Response to Request for Additional Information on 10 CFR 50.55a Request RR-A36	14 November 2013	Response to Request for Additional Information on 10 CFR 50.55a Request RR-A36	EVT-1
ML12116A028	24 April 2012	Lr - Davis Besse RAI Responses (ADAMS) Abandoned Equipment, mrp-227-a, and Shield Building Cracks	Boric Acid High winds Nondestructive Examination Condition Adverse to Quality Aging Management Stress corrosion cracking License Renewal EVT-1 Fire Protection Program
ML12072A316	12 March 2012	2012/03/12 Davis-Besse Lr - FW: FENOC License Renewal RAI Letter L-12-015 (Part 1 of 3)	Condition Adverse to Quality Aging Management Stress corrosion cracking License Renewal EVT-1
ML12094A383	9 March 2012	Reply to Request for Additional Information for the Review of License Renewal Application, License Renewal Application Amendment No. 24, and Revised License Renewal Application Boundary Drawings	Condition Adverse to Quality Aging Management Stress corrosion cracking License Renewal EVT-1
ML11356A037	30 November 2011	Lr - DB RAI Response Letters 1 of 2	Boric Acid Non-Destructive Examination Weld Overlay Coatings Operating Basis Earthquake Nondestructive Examination Functionality Assessment Condition Adverse to Quality Aging Management Foreign Material Exclusion Annual Radiological Environmental Operating Report Stress corrosion cracking Integrated leak rate test Eddy Current Testing Moisture barrier License Renewal Maintenance Rule Program Biofouling EVT-1 Liquid penetrant Fire Protection Program Dissimilar Metal Weld Scaffolding Flow Induced Vibration Unidentified leakage Thermal fatigue
L-11-317, Reply to Request for Additional Information for the Review of License Renewal Application (TAC No. ME4640) and Amendment No. 20	21 October 2011	Reply to Request for Additional Information for the Review of License Renewal Application (TAC No. ME4640) and Amendment No. 20	Boric Acid Non-Destructive Examination Aging Management Stress corrosion cracking Eddy Current Testing License Renewal EVT-1 Liquid penetrant
L-11-252, Reply to Request for Additional Information for the Review of License Renewal Application and License Renewal Application No. 15	16 September 2011	Reply to Request for Additional Information for the Review of License Renewal Application and License Renewal Application No. 15	Boric Acid Non-Destructive Examination Coatings Nondestructive Examination Condition Adverse to Quality Aging Management Stress corrosion cracking License Renewal Maintenance Rule Program EVT-1 Liquid penetrant
L-11-238, Reply to Request for Additional Information for the Review of License Renewal Application and License Renewal Application Amendment No. 13	17 August 2011	Reply to Request for Additional Information for the Review of License Renewal Application and License Renewal Application Amendment No. 13	Boric Acid Weld Overlay Coatings Operating Basis Earthquake Aging Management Foreign Material Exclusion Annual Radiological Environmental Operating Report Stress corrosion cracking Moisture barrier License Renewal EVT-1 Liquid penetrant Dissimilar Metal Weld Flow Induced Vibration Unidentified leakage
L-11-107, Reply to Request for Additional Information on Reactor Vessel Surveillance Aging Management Program & Time-Limited Aging Analyses for Neutron Embrittlement for Review of License Renewal Application & License Renewal Application...	15 April 2011	Reply to Request for Additional Information on Reactor Vessel Surveillance Aging Management Program & Time-Limited Aging Analyses for Neutron Embrittlement for Review of License Renewal Application & License Renewal Application...	Weld Overlay Functionality Assessment Aging Management License Renewal Power Uprate Measurement Uncertainty Recapture
ML110680172	17 March 2011	Request for Additional Information on the Reactor Vessel Surveillance Aging Management Program, Time-Limited Aging Analyses for Neutron Embrittlement of the Rv and Internals, and Other TLAAs for the Review of the Davis-Besse Nuclear Power S	Weld Overlay Aging Management License Renewal Power Uprate Measurement Uncertainty Recapture
ML102571569	20 September 2010	Nozzle RR	Boric Acid Hydrostatic Operating Basis Earthquake Nondestructive Examination VT-2 Incorporated by reference Finite Element Analysis Stress corrosion cracking Liquid penetrant
L-10-099, 10 CFR 50.55a Request for Alternate Repair Methods for Reactor Pressure Vessel Head Penetration Nozzles	1 April 2010	10 CFR 50.55a Request for Alternate Repair Methods for Reactor Pressure Vessel Head Penetration Nozzles	Weld Overlay Nondestructive Examination Stress corrosion cracking Liquid penetrant
L-10-027, Response to Request for Additional Information Related to License Amendment Request to Update the Leak-Before-Break Evaluation for the Reactor Coolant Pump Suction and Discharge Nozzle Dissimilar Metal Welds	20 January 2010	Response to Request for Additional Information Related to License Amendment Request to Update the Leak-Before-Break Evaluation for the Reactor Coolant Pump Suction and Discharge Nozzle Dissimilar Metal Welds	Weld Overlay Stress corrosion cracking Dissimilar Metal Weld Affidavit
ML100250132	11 January 2010	0800368.404, Revision 1, Leak-Before-Break Evaluation of Reactor Coolant Pump Suction and Discharge Nozzle Weld Overlays for Davis-Besse Nuclear Power Station, Enclosure B	Non-Destructive Examination Safe Shutdown Earthquake Weld Overlay Design basis earthquake Stress corrosion cracking Liquid penetrant Dissimilar Metal Weld DM weld Exclusive Use Affidavit
ML093360323	23 November 2009	Davis-Besse, Response to Requests for Additional Information Related to Alternative Dissimilar Metal Weld Repair Methods	Weld Overlay Hydrostatic Operating Basis Earthquake Nondestructive Examination Finite Element Analysis Intergranular Stress Corrosion Cracking Stress corrosion cracking License Renewal Liquid penetrant Dissimilar Metal Weld DM weld Exclusive Use Affidavit
ML073190511	20 December 2007	Request for Alternative RR-A30, Revision 2 to Use Proposed Alternative to the American Society of Mechanical Engineers Boiler and Pressure Vessel Code Requirements for Structural Weld Overlays (Tac No. MD4452)	Weld Overlay Nondestructive Examination Incorporated by reference Stress corrosion cracking Liquid penetrant Dissimilar Metal Weld
ML072750034	28 September 2007	Response to Request for Additional Information Regarding Proposed Alternative to American Society of Mechanical Engineers Code Section XI Repair Requirements	Weld Overlay Nondestructive Examination Intergranular Stress Corrosion Cracking Stress corrosion cracking Liquid penetrant Dissimilar Metal Weld
ML021190124	25 April 2002	10CFR50.55a Requests for Alternative Pursuant to American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code) Inservice Inspection Requirements at the Davis-Besse Nuclear Power Station - Third Ten-Year Interval (RR-A	Hydrostatic Nondestructive Examination Finite Element Analysis Stress corrosion cracking Liquid penetrant Dissimilar Metal Weld
ML020170042	11 January 2002	Request for Relief from ASME Boiler and Pressure Code Inservice Inspection Requirements at the Davis-Besse Nuclear Power Station, Third Ten-Year Interval (RR-A20 and RR-A21)	Non-Destructive Examination Hydrostatic Nondestructive Examination Finite Element Analysis Stress corrosion cracking Liquid penetrant Dissimilar Metal Weld
ML031140549	7 November 1991	Withdrawn NRC Generic Letter 1991-018: Information to Licensees Regarding Two NRC Inspection Manual Sections on Resolution of Degraded and Nonconforming Conditions and on Operability	Safe Shutdown Unanalyzed Condition Fitness for Duty Probabilistic Risk Assessment Condition Adverse to Quality Missed surveillance Operability Determination Exemption Request Pressure Boundary Leakage Backfit Operational leakage

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