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Information Notice 2005-23, Vibration-Induced Degradation of Butterfly Valves +, ML031060370 +, Information Notice 1994-44, Main Steam Isolation Valve Failure to Close on Demand Because of Inadequate Maintenance and Testing +, Information Notice 2004-06, Loss of Feedwater Isokinetic Sampling Probes at Dresden Units 2 and 3 +, Information Notice 2004-01, Auxiliary Feedwater Pump Recirculation Line Orifice Fouling - Potential Common Cause Failure +, Information Notice 1991-38, Thermal Stratification in Feedwater System Piping +, Information Notice 1989-80, Potential for Water Hammer, Thermal Strafication, and Steam Binding in High-Pressure Coolant Injection Piping +, Information Notice 1985-76, Recent Water Hammer Events +, Information Notice 1985-50, Complete Loss of Main and Auxiliary Feedwater at a PWR Designed by Babcock & Wilcox +, Information Notice 1979-29, Loss of Nonsafety-Related Reactor Coolant System Instrumentation During Operation +, Information Notice 1988-09, Reduced Reliability of Steam-Driven Auxiliary Feedwater Pumps Caused by Instability of Woodward PG-PL Type Governors +, Information Notice 1988-71, Possible Environmental Effect of the Reentry of Cosmos 1900 and Request for Collection of Licensee Radioactivity Measurements Attributed to That Event +, Information Notice 1987-34, Single Failures in Auxiliary Feedwater Systems +, Information Notice 1987-36, Significant Unexpected Erosion of Feedwater Lines +, Information Notice 1987-40, Backseating Valves Routinely to Prevent Packing Leakage +, Information Notice 1993-12, Off-Gassing in Auxiliary Feedwater System Raw Water Sources +, Information Notice 1993-48, Failure of Turbine-Driven Main Feedwater Pump to Trip Because of Contaminated Oil +, Information Notice 1993-51, Repetitive Overspeed Tripping of Turbine-Driven Auxiliary Feedwater Pumps +, Information Notice 1993-62, Thermal Stratification of Water in BWR Reactor Vessels +, Information Notice 1994-08, Potential for Surveillance Testing to Fail to Detect an Inoperable Main Steam Isolation Valve +, Information Notice 1995-11, Failure of Condensate Piping Because of Erosion/Corrosion at Flow-Straightening Device +, Information Notice 1996-41, Effects of a Decrease in Feedwater Temperature on Nuclear Instrumentation +, Information Notice 1999-14, Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick +, Information Notice 1999-19, Rupture of the Shell Side of a Feedwater Heater at the Point Beach Nuclear Plant +, Information Notice 2002-18, Effect of Adding Gas Into Water Storage Tanks on the Net Positive Suction Head for Pumps +, Information Notice 2001-09, Main Feedwater System Degradation in Safety-Related ASME Code Class 2 Piping Inside the Containment of a Pressurized Water Reactor +, Information Notice 2000-01, Operational Issues Identified in Boiling Water Reactor Trip and Atransient +, NRC Generic Letter 1988-03 +, NRC Generic Letter 1985-13 +, ML12160A169 +...

Turbine Trip +  and Reactor Trip +

NRC/RES/DE +  and Cozens K +

GDC 57 +, GDC 34 +, GDC 55 +  and GDC 56 +

NRC Generic Letter 85-13, Transmittal of NUREG-1154 Regarding The Davis-Besse Loss of Main And Auxiliary Feedwater Event +  and NRC Generic Letter 88-03, Resolution of Generic Safety Issue 93, "Steam Binding of Auxiliary Feedwater Pumps" +

ML12160A169 +, ML12160A169 +, ML12160A169 +, ML12160A169 +, ML12160A169 +  and ML12160A169 +

5.555556e-4 d (0.0133 hours, 7.936508e-5 weeks, 1.8264e-5 months)  +  and 1.157407e-5 d (2.777778e-4 hours, 1.653439e-6 weeks, 3.805e-7 months)  +

Information Notice 94-66 +, Information Notice 80-07 +, Information Notice 90-45 +, Information Notice 99-19 +, Information Notice 06-15 +, Information Notice 87-40 +, Information Notice 91-50 +, Information Notice 84-06 +, Information Notice 05-23 +, Information Notice 01-09 +, Information Notice 88-70 +, Information Notice 85-96 +, Information Notice 02-18 +, Information Notice 93-51 +, Information Notice 95-11 +, Information Notice 1986-14, Overspeed Trips of AFW, HPCI & RCIC Turbines +, Information Notice 91-38 +, Information Notice 87-36 +, Information Notice 84-87 +, Information Notice 89-80 +, Information Notice 91-58 +, Information Notice 85-76 +, Information Notice 85-50 +, Information Notice 88-09 +, Information Notice 87-34 +, Information Notice 83-77 +, Information Notice 93-12 +, Information Notice 93-48 +, Information Notice 93-62 +, Information Notice 94-08 +...

NUREG-1409, 4/28/2020, Recording of Summary of Category 3 Meeting Regarding Draft NUREG-1409, Revision 1, Backfitting Guidelines.Pdf +, NUREG-0800, Document for February 22, 2024 ACRS Digital I&C Subcommittee Meeting +  and NUREG-1050, Forwards Regulatory Analysis of Generic Safety Issue 61, Safety/Relief Valve Discharge Line Break within Mark I or II Wetwell Airspace. Based on Results Discussed in NUREG/CR-4594,risk Lower than Previously Estimated +

Regulatory Guide 1.105 +, Regulatory Guide 1.68 +, Regulatory Guide 1.171 +, Regulatory Guide 1.68.1 +  and Regulatory Guide 1.068.1 +

Washington +  and Arkansas +

Steam Generator +, Reactor Coolant System +, Feedwater +, Main Steam Isolation Valve +, Auxiliary Feedwater +, Primary containment +, Reactor Pressure Vessel +, Residual Heat Removal +, Moisture Separator Reheater +, Auxiliary Feed Water +  and Main Steam +

Hydrostatic +, Nondestructive Examination +, Feedwater Heater +, Backfit +, Overspeed +, Water hammer +  and Restart +