CNL-16-165, Proposed Technical Specifications (TS) Change TS-505 - Request for License Amendments - Extended Power Uprate (EPU) - Supplement 34, Revised Proposed License Conditions and Technical Specification Change
NL-15-169, Browns Ferry, Units 1, 2 and 3 - Proposed Technical Specification Markups, Part 1 of 2
NL-11-1812, Edwin I. Hatch, Unit 1 - Technical Requirements Manual
L-08-175, Response to Request for Additional Information and Supplemental Information Regarding Application for License Amendment for Measurement Uncertainty Recapture Power Uprate
L-08-065, Response to Request for Additional Information Regarding Application for License Amendment for Measurement Uncertainty Recapture Power Uprate
05000346/LER-1979-105-01, /01T-0:on 791109,steam Generator Low Level Trip Setpoints to Steam & Feedwater Rupture Control Sys Channels 1 & 2 Found Less Conservative than Tech Specs.Caused by Error in Analysis to Determine Low Level Bistable Setpoints
05000346/LER-1979-131-03, /03L-0:on 791212,steam & Feedwater Rupture Control Sys Channel 4x15-volt Dc Power Supply PS-4 Failed.Caused by Overvoltage Trip Setpoint Actuating at Lower Value than Initial Adjustment.Installed New Power Supply
RS-05-075, Request for Amendment to Technical Specifications Associated with Feedwater System and Main Turbine High Water Level Trip Instrumentation
RS-02-010, Additional Information Supporting Technical Specification Changes to Reactor Pressure Vessel Level Instrumentation Surveillance Frequencies and Allowable Values Requirements
05000346/LER-1982-060, Revised LER 82-060/03T-1:on 821111,during Steam & Feedwater Sys (SFS) Rupture Control Monthly test,48-volt Dc Power Supply in SFS Channel 2 Failed.Caused by Component Failure. Channel 2 re-energized
NRC-20-0057, Response to Request for Additional Information Regarding License Amendment Request to Revise Technical Specifications to Change Surveillance Intervals to Accommodate a 24-Month Fuel Cycle
B17621, Application for Amend to License DPR-21,reflecting Permanently Defueled Condition of Unit 1,Tech Specs Administrative Controls Section as Allowed by Guidance Contained in NRC Administrative Ltr 95-06
RS-24-032, Response to Request for Additional Information Related to License Amendment Request to Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion
NRC-19-0054, DTE Energy Company - License Amendment Request to Revise Technical Specifications to Change Surveillance Intervals to Accommodate a 24-Month Fuel Cycle
NL-21-0784, License Amendment Request: Revise Technical Specifications to Adopt TSTF-227, Revision to EOC-RPT Pump Actions and TSTF-297, Enhancements to Required Actions for Feedwater and Main Turbine High Water Level Trip
NL-16-165, Browns Ferry Nuclear Plant, Units 1, 2, & 3 - Proposed Technical Specifications (TS) Change TS-505 - Request for License Amendments - Extended Power Uprate (EPU) - Supplement 34, Revised Proposed License Conditions and Technical Specificat
05000346/LER-1988-026, :on 881124,actuation of Channel 1 Steam & Feedwater Rupture Control Sys Trip Initiated Due to High Steam Generator 2 Level.Caused by Procedural Inadequacy. Plant Startup Procedure Changed
05000277/LER-1997-009-02, :on 971109,generator Lockout & Subsequent Turbine Trip Occurred.Caused by Turbine Trip Resulting from Generator Lockout Signal.Appropriate PCIS & RPS Scram Logics Were Reset
05000277/LER-1997-010-02, :on 971229,2A RFPT Failed to Trip When RO Pushed CR 2A RFPT Trip push-button.Caused by Intermittent Failure Mechanism.Repaired,Reinstalled & Tested Operability of 2A RFPT
05000346/LER-1983-038-03, /03L-1:on 830725,half Trip of Steam & Feedwater Line Rupture Control Sys Actuation Channel 1 & Spurious Trip of Logic Channel 1 Occurred.Caused by Failed Power Supply & Relay Driver Board,Respectively.Parts Replaced
05000278/LER-1997-003-01, :on 970404,TS Noncompliance Due to Loss of 3C RFP High Water Level Trip,Occurred.Caused by Failure to Correlate Turbine/Reset Light Problem to Inoperability. Operating Shift Procedures Revised
05000346/LER-1985-007, :on 850323,auxiliary Feedwater Pump Did Not Meet 40 Response Time Requirement.Caused by Rate at Which Turbine Accelerated to Full Speed of 3,600 Rpm.Internal Speed Setting Bushing Replaced
05000261/LER-1976-005, :on 760303,normal & Emergency Dampers on Containment Fan Cooler HVH-4 Failed to Function.Caused by Operator Malfunction.Normal Supply Damper Alignment Adjusted & Lubricated.Emergency Damper Lubricated
05000261/LER-1983-027-01, /01T-0:on 831103,while in Hot Shutdown,Cooling Coil Leaks Discovered on Containment Fan Coolers HVH-1 & HVH-3.Cause Not Stated.Coolers Being Repaired W/Ceramic Sealant Matl
05000261/LER-1983-026-01, /01T-0:on 831012,svc Water Leak Discovered on Containment Fan Cooler HVH-3.Caused by Corrosion/Erosion of Tube.Tube Repaired W/Ceramic Sealant Matl.Replacement of Cooler W/Stainless Steel Alloy Tubing Planned
05000346/LER-1982-060-03, /03L-0:on 821111,during Performance of ST 5031.14, Discovered Ventilation Duct Chase 48 Power Supply in Steam & Feedwater Rupture Control Sys Channel 2 Failing at 1-volt/h.Caused by Component Failure.Channel 2 de-energized
05000261/LER-1983-025-01, /01T-0:on 830926,svc Water Leak Discovered on Containment Fan Cooler HVH-2.Svc Water Isolated & Unit Declared Inoperable.Caused by Corrosion/Erosion of Coolant Tubing.Tube Bundle Repaired
05000261/LER-1983-014-01, /01T-0:on 830704,svc Water Leak Discovered on Containment Fan Cooler HVH-2,resulting in Degradation of Containment Boundary Per IE Bulletin 80-24.Caused by Corrosion/Erosion of Cooler Tubing
B14788, Application for Amend to License DPR-65,revising TS Re ESFAS Instrumentaion
05000261/LER-1982-016-03, /03L-0:on 821103,containment Fan Cooler HVH-3 Failed to Restart During Periodic Test Performance.Caused by Defective Time Delay Relay in Motor Breaker Control Circuit.Time Delay Relay Replaced
05000346/LER-1982-044-03, /03L-0:on 820916,review Revealed That Steam & Feedwater Rupture Control Sys Monthly Surveillance Procedure ST 5031.14 Not Completed in Time Allotted in Tech Specs. Caused by Personnel Error.Test Completed
05000261/LER-1981-006-01, /01T-0:on 820715,motor Cooler Leak Found in Containment Fan Cooler HVH-2.HVH-2 Shut Down & Svc Water to Unit Isolated.Caused by Corrosion/Erosion of Cooler Tubing. Leak Repaired & Motor Coolers Will Be Replaced W/New Units
05000261/LER-1982-002-03, /03L-0:on 820207,condensate Measuring Sys Breaker HVH-1 Tripped During Periodic Testing.Caused by Reverse Rotation Due to Missing Discharge Damper Louver.Reverse Rotation Stopped.Damper Repairs Underway
05000346/LER-1978-102-03, /03L-0:on 781006,Channel 1 of Steam & Feedwater Rupture Control Sys Tripped,Rendering Channel Inoperable. Caused by Defective Power Supply.Unit Removed from Action Statement 13 of Tech Spec 3.3.2.2.Power Supply Replaced
05000346/LER-1983-026-03, /03L-0:on 830524,one Half Channel Trip in Steam & Feedwater Rupture Control Sys (Sfrcs) Channel 2 Received. Caused by Component Failure.Input Buffer Replaced
05000261/LER-1981-020-03, /03L-0:on 810902,containment Spray Check Valve SI-890B & Associated Flow Path Declared Inoperable.Caused by Failure to Perform Post Maint Testing Prior to Startup Due to Oversight.Valve Tested.Procedures Will Be Revised
RS-08-045, LaSalle, Units 1 and 2, Technical Requirements Manual
05000346/LER-1977-019-01, /01T-0:on 771117,auxiliary Feedwater Valves AF 599 & AF 608 Found Closed,Rendering Steam & Feedwater Rupture Control Sys Pressure Switch Inputs Inoperable.Caused by Procedural Deficiency.Tests Revised
05000346/LER-1978-015-03, /03L-0:on 780131,feedwater Steam Generator 1 Channel 2 Pressure Differential Switch Did Not Actuate at Desired Setpoint During Surveillance Test.Caused by Pressure Differential Switch Out of Tolerance
05000346/LER-1978-028-03, /03L-0:on 780318,channel 1 Steam Generator 1-1 Declared Inoperable.Caused by Water in Level Transmitter SP09B8 Connecting Box Due to Steam Leak.Connection Box Cleaned & Dried.Waterproof Fitting Will Be Installed
05000346/LER-1978-080-03, /03L-0:on 780718,breakers to Feedwater Stop Valves Found Open.Caused by Personnel Failing to Restore Valves to Operable Position After Test.Power Restored by Closing Circuit Breakers.Personnel Formally Reprimanded
05000346/LER-1980-037-03, /03L-0:on 800418,steam Generator Level Transmitter LTSP9A6 & LTSP9B6 to Steam & Feedwater Rupture Control Sys Found Out of Calibr.Caused by Zero Shift on Instruments Coupled W/Tightening of Tolerances.Instruments re-calibr
05000346/LER-1980-027-03, /03L-0:on 800331,operations Received Half Trip of Steam & Feedwater Rupture Control Sys 1/3.Caused by Failure of +15-volt Dc Power Supply in Steam Generator Level Instrumentation Cabinet 1.Power Supply Replaced
05000346/LER-1980-011-03, /03L-0:on 800131,during Normal Operation, Operations Personnel Received Half Trip on Steam & Feedwater Rupture Control Sys Channels 1/3.Caused by Spurious Trip from +25 Volt Dc Power Supply PS03 in Sglic Channel 1
RS-24-019, Response to Request for Additional Information Related to License Amendment Request to Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Completion Times TSTF
05000346/LER-1979-093-03, /03L-0:on 790917,output Relay Driver Lamp for Relay K303A in Steam & Feedwater Rupture Control Sys Channel 3 Was Extinguished.Caused by Inoperable Optical Isolator on Relay Driver Board.Failed Board Was Replaced
05000244/LER-1994-011, :on 940917,indicating Lamp on B Train Safeguards Initiation Cabinet Failed.Caused by Loss of 125 Vdc Control Power.Burned Out Indicating Lamp & Blown Fuse Replaced
05000387/LER-2015-006, Regarding Loss of Safety Function Due to Inoperability of Both Trains of the Standby Gas Treatment System and a Loss of Safety Function of the Control Room Emergency Outside Air Supply System Due to Air Flow
GO2-22-096, Supplement to License Amendment Request to Adopt TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b
PLA-6912, Summary Report and Changes to Regulatory Commitments
05000346/LER-2004-001, Regarding Violation of Steam and Feedwater Rupture Control System Technical Specification
05000346/LER-2003-014, Re Steam Feedwater Rupture Controls System Re-Energizes in a Blocked Condition
HL-6328, Request for License Amendment Measurement Uncertainty Recapture Power Uprate, Enclosures 1 - 6
B18638, License Basis Document Change Request (LBDCR) 2-1-02 Re Limiting Safety System Settings and Instrumentation
NUREG-1433, Part 1- Edwin I. Hatch, Units 1 & 2, License Amendments, Replace Current Technical Specification & Associated Bases
RS-20-136, Response to Request for Additional Information Re License Amendment Requests for Amendments to Renewed Facility OL to Adopt 10CFR50.69 & to Adopt TSTF-505, Rev. 2 (EPID L-2020-LLA-0017 and EPID-L-2020-LLA-0018)
JAFP-22-2020, Supplemental Information No. 1 for James A. FitzPatrick Nuclear Power Plant to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b. and 10CFR 50.69, Risk-Info
L-MT-20-036, Response to Request for Additional Information Related to License Amendment Request to Implement Technical Specification Task Force Traveler TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times
RS-25-010, Constellation Energy Generation - Application to Revise Technical Specifications to Adopt TSTF-597, Revision 0, Eliminate LCO 3.0.3 Mode 2 Requirement
NL-22-0062, Supplement to License Amendment Request: Revise Technical Specifications to Adopt TSTF-227 & TSTF-297
05000261/LER-1983-022-01, /01T-0:on 830823,svc Water Leak Discovered on Containment Fan Cooler HVH-2.Svc Water Isolated.Caused by Defective Tube Bundle.Tube Repaired
05000261/LER-1983-003-01, /01T-0:on 830410,svc Water Leak Discovered on Containment Fan Cooler HVH-3.Caused by Corrosion/Erosion of Cooler Tubing.Leak Repaired
PLA-8189, Supplement to License Amendment Requesting Revision to Technical Specifications for Reactor Vessel Water Level 3 and Level 8 Allowable Values - PLA-8189