Charles Brown# QUERY93bf184ea67c66d3327d5fddecb4f8c7
Charles Brown# QUERYa6e222de17bd13570b3f85f2655dd9dc
Charles Brown# QUERYba6d912c1795bcb40943f78799bc0aa3
Charles Brown# QUERYdd42f1d39612c50ca5e9b1a30e3c99ee
Charles Brown OR Charles Brown
Charles Brown# QUERY57331ec533045063f4fe90a6c703b603
Charles Brown# QUERY44d81be46243b6ab16b3b1bc2d8758d6
Charles Brown
Charles Brown# QUERYff204f3fe687c5d5b088b6aa1e3c9cdd
Charles Brown# QUERY767603adbc120991476f2ea4d24112a3
NRC/ACRS/MEM false
Charles Brown# QUERY34be09288b5a428ef5e96c7c22d09f97
NRC/ACRS/MEM true
Charles Brown# QUERY8560c01b6dd126a4eade85fcff4bfb0a
NRC Headquarters
Charles Brown# QUERYde076fd0735aa8b856faf204727da28d
Press Release-08-108, NRC Names Charles Brown to Its Advisory Committee on Reactor Safeguards
Press Release-20-017, NRC Advisory Committee on Reactor Safeguards Re-Appoints Charles Brown to Leadership Position
05000302/LER-1982-005-03, /03L-0:on 820119,175 & 33-ft Wind Direction & Ambient Temp Monitoring Channels Found Out of Calibr.Caused by Instrument Drift.Instruments Recalibr & Returned to Svc 820126.Meteorological Monitoring Tower Design Under Review
05000302/LER-1982-074-03, /03L-0:on 821116,during Performance of SP-186, Control Complex Charcoal Filters Failed Freon Portion of Surveillance Required by Tech Specs.Caused by Moisture Absorption by Charcoal Filters.Filters Replaced & Tested
05000302/LER-1982-071-03, /03L-0:on 821114,during Mode 1,radiation Monitor RM-A5,control Room Iodine Channel Found Inoperable.Caused by Failure of Rotary Selector Switch.Switch Replaced & Monitor Placed in Svc
05000302/LER-1982-004-01, /01T-0:on 820129,during Visual Insp of RCP-A Seal Package,Crack in Weld Between Third Stage Cavity & Vent Pipe Discovered.Caused by Crack in Weld Joint Where Vent Pipe Meets Cavity.Rebuilt Spare Seal Package Installed
05000302/LER-1982-003-01, /01T-0:on 820128,RCS Pressure Boundary Leak Found in Valve Body of MUV-43.Caused by Thermally Induced Cyclic fatigue.MUV-43 Removed.New Valve Will Be Installed in Improved Location
05000302/LER-1982-068-03, /03L-0:on 821029,feedwater Ultrasonic Flow Indicator FW-312-FI Found Inoperable During Daily Surveillance,Rendering Emergency Feedwater Train a Inoperable.Caused by Insufficient Cable Clearance
05000302/LER-1982-069-03, /03L-0:on 821029,remote & Local 175-ft Wind Direction Channels Found Out of Tolerance.Caused by Failed Direction Sensor.Sensor Replaced & Instrument Recalibr. Meteorological Monitoring Sys Under Evaluation
05000254/LER-1982-024-03, /03L-0:on 820826,RHR Svc Water pump,1-1001-65D, Removed from Svc to Repair RHR Room Cooler Isolation Valve. Following Preventive Maint & Repair,Pump Returned to Svc
05000302/LER-1982-049-03, /03L-0:on 820717,during Normal Plant Operation, Control Complex Ventilation monitor,RM-A5,discovered Inoperable.Caused by Failure of Vacuum Pump Carbon Impeller Vanes.Pump Replaced
05000302/LER-1982-046-03, /03L-0:on 820712,emergency Diesel Generator B Failed to Start in Required Time.Cause Attributed to Manual Timing Techniques Used for Determining Elapsed Start Time. Generator Restarted
05000302/LER-1982-048-03, /03L-0:on 820715,windspeed & Temp Channels for 33 & 175-ft Meteorological Tower Elevations Failed to Function Properly.Caused by Lightning Strike.Damaged Equipment Removed,Repaired & Calibr
05000302/LER-1982-047-04, /04T-0:on 820720,waste Disposal Tank 11B Discharged W/Flow Rate Meter WD-101-FR Inoperable.Caused by Operator Error.Rate Meter Power Supply Reset.Procedures to Be Revised
05000302/LER-1982-020-03, /03L-0:on 820305,while Reviewing Surveillance Data,Nuclear Overpower,Rcs Flow & Axial Power Imbalance, Bistable in Channel C Discovered Out of Tolerance.Caused by Instrument Drift.Instrument Recalibr
05000302/LER-1982-016-03, /03L-0:on 820304,failed to Properly Complete 10CFR50.59 Review on Planned Mod Resulting in Approval of Mod to Sys That Could Have Allowed Operation W/Response Time Greater than Tech Spec Limit.Caused by Human Error
05000302/LER-1982-026-03, /03L-0:on 820326,during Procedural Review, Procedure Identified for Security Sodium Hydroxide Spray in Mode 4 Prior to Entry Into Mode 5,contrary to Tech Specs. Caused by Procedural Error.Procedure Rewritten
05000302/LER-1982-023-03, /03L-0:on 820320,mainsteam Valve MSV-130, Discovered Leaking on High Pressure Side.Caused by Seal Ring Failure.Valve Removed,Cleaned & Ring Replaced
05000302/LER-1982-027-03, /03L-0:on 820327,reactor Coolant Pump 1C Tripped. Caused by Failure of Surge Capacitor Causing Pump to Trip on Phase Differential.Shorted Capacitor Replaced & Motor Satisfactorily Tested
05000302/LER-1982-017-03, /03L-0:on 820307,reactor Bldg Pressure Indicator Fluctuated Between 10 & 20 Lb.Caused by Water in Junction Box & Flex Cable.Junction Box & Flex Cable Dried Out & Instrument Calibr & Sealed
05000302/LER-1982-025-03, /03L-0:on 820322,while Performing Surveillance Procedure 179,station Air Valves SAV-23 & SAV-122 & Leakrate Valve LAV-46 Found Not Included on Procedure.Caused by Ineffective Administrative Control
05000302/LER-1982-021-03, /03L-0:on 820219,while Using SP-221 (Startup Feedwater Valve Air Accumulator Leak Test) for Maint Trouble Identification,Feedwater Valve (FWV-39) Failed to Meet Surveillance Criteria.Cause Undetermined
05000302/LER-1982-015-03, /03L-0:on 820204,reactor Bldg Pressure Transmitter Isolation Valve V-1 Shut in Mode 5.Caused by Undocumented Valve Closing.Valve Opened
05000302/LER-1982-019-03, /03L-0:on 820301,while Performing Housekeeping,Air Start Line to Number 5 Cylinder on Emergency Diesel Generator B Found Parted.Caused by Fatigue on Cylinder Air Start Line.Line Repaired
05000302/LER-1982-034-03, /03L-0:on 820507,radiation Monitoring Instrument RM-A5,iodine Channel,Inoperable.Caused by Dirty Contact Surface on High Voltage Potentiometer.Surface Cleaned
05000302/LER-1982-018-03, /03L-0:on 820308,following Recirculation of Boric Acid Sys Tanks,Both Tanks Were Isolated.Cause Attributed to Procedural Deficiency.Procedure OP-403 Revised
05000302/LER-1982-031-03, /03L-0:on 820405,175-ft Wind Direction Channel Found Not Functioning Properly.Caused by Lost Vane & Instrument Drift.Vane Replaced & Instrument Recalibr
05000302/LER-1982-032-03, /03L-0:on 820412,emergency Diesel Generator 1B Failed to Meet Starting Time Criteria.Caused by Manual Timing Techniques Used for Determining Elapsed Start Time. Methods for Improving Techniques Under Investigation
05000302/LER-1982-012-03, /03L-0:on 820226,emergency Diesel Generator a Would Not Start After Mechanical Maint on Exhaust Manifold. Caused by Restricted Air Lines,Filters & Strainers.Air Start Valves,Filters & Strainers Cleaned
05000302/LER-1982-029-03, /03L-0:on 820331,hydraulic Snubber MSH-168 Found Leaking Hydraulic Fluid.Caused by Leaking Shaft Seal.Snubber Shaft Seal Replaced
05000302/LER-1982-030-03, /03L-0:on 820406,while Performing SP-113,channel C Function Generator Discovered Out of Calibr.Caused by Instrument Drift.Instrument Recalibr
05000302/LER-1982-028-03, /03L-0:on 820330,following Reactor Trip,Discovered Source Range Instrument Indicating Below Tech Spec Limits.Caused by Failed High Voltage Power Supply.Power Supply for Instrument Replaced
05000302/LER-1982-009-03, /03L-0:on 820204,containment Isolation Valves MUV-259 & MUV-260 Failed to Close During Cold Shutdown Testing.Caused by Insufficient Torque Switch Settings.Torque Switch Setting increased.MP-402 Will Be Revised
05000302/LER-1982-008-03, /03L-0:on 820127,RCS Leak of Less than 0.1 Gallon Per Minute Discovered in Letdown Cooler A.Caused by tube-to-shell Leak in Cooler.Letdown Cooler a Isolated & Will Be Replaced W/Spare Cooler
05000302/LER-1982-001-03, /03L-0:on 820106,core Flood Tank B Was Discovered W/Level Below Tech Spec Requirements.Caused by Loss of Water in Ref Legs of Level Transmitters.Legs Filled. Transmitters to Be Replaced
05000302/LER-1981-083-03, /03L-0:on 811229,decay Heat Pump Discharge Throttle Valve DHV-110 Would Not Control Flow in Automatic. Caused by out-of-calibr Flow Control Switch in Flow Control Instrument.Switch Calibr & Tested
05000302/LER-1981-084-03, /03L-0:on 811228,chemical Addition Pump 1-B Would Not Pump.Cause Being Investigated.Until Cause Known,Util Is Running Chemical Addition Pumps on Daily Basis to Reduce Possibility of Recurrence
05000302/LER-1981-082-03, /03L-0:on 821221,discovered Containment Isolation Valve CFV-27 Inoperative.On 811223 Five Other Valves Were Inoperative.Caused by Failure of Control Relays.Relay Coils & Plungers Replaced
05000302/LER-1981-081-03, /03L-0:on 811222,while Maintaining Steam Header Pressure for Turbine testing,MSV-35 Code Relief Was Continuously Relieving Approx 50 Lb Below Tech Spec Setpoint.Caused by Setpoint Drift.Valve Lift Setpoint Reset
05000302/LER-1981-079-03, /03L-0:on 811218,while Increasing Reactor Power, Operator Noted a once-through Steam Generator Operating Level Not Trending Up W/Reactor Power.Caused by Failure of Level Transmitter Amplifier LT-2.Amplifier Replaced
05000302/LER-1981-080-03, /03L-0:on 811221,after Packing Adjustments Were Made to MSV-130 to Stop Excessive Packing Leakage Under Work Request 29981,valve Would Not Operate,Creating Event Contrary to Tech Spec.Caused by Excessive Packing Adjustment
05000302/LER-1981-076-03, /03L-0:on 811205,reactor Protection Equipment NT-6 Would Not Properly Function During Shutdown Surveillance Activities,Contrary to Reg Guide 1.16.Caused by Relay Failure.Relay Replaced
05000302/LER-1981-075-03, /03L-0:on 811127,while Performing SP-155,channel Check of Triaxial Peak accelographs,SI-5-MEI Accelograph Discovered Inoperative.Caused by Rigorous Environ & Age. Accelograph Replaced
05000302/LER-1981-077-03, /03L-0:on 811204,B Emergency Diesel Generator Control Circuit Discovered Grounded During Surveillance Procedure SP-354,rendering Generator Inoperable.Caused by Electrical Conduit Separation,Rubbing Insulation Off Wiring
05000302/LER-1981-071-01, /01T-0:on 811030,found FSAR Analysis of Steam Generator Tube Rupture Accident Was Not Conservative.Caused by FSAR Assumption That Main Steam Safety Valves Will Not Lift Following Reactor Trip
05000302/LER-1981-046-03, /03L-0:on 810714,during Normal Operation 120 Ac Vital Bus 3 Was de-energized When Power Was Interrupted at a Inverter.Caused by Station Battery Shorting During Maint Causing a Inverter to Fail
05000302/LER-1981-049-03, /03L-0:on 810714,testing Following Reactor Trip Revealed That MSIV 33,35,36 & 37 Lifted at Less than Required Setpoint.Caused by Setpoint Drift.Valve lift-reseat Setpoints Reset
05000302/LER-1981-048-03, /03L-0:on 810718,emergency Feedwater Ultrasonic Flow Indicator FW-312-FI Was Discovered Exceeding Zero Check Low Limit.Caused by Instrument as-built Condition.Instrument Rezeroed.Ultrasonic Flow Transmitters to Be Replaced
05000302/LER-1981-047-03, /03L-0:on 810715,during Performance of SP-340,ECCS Pump Operability,Decay Heat Pump Discharge Throttle Valve DHV-110 Would Not Control Flow in Automatic.Caused by Stuck Switch in Flow Control Instrument.Switch Lubricated
05000302/LER-1981-042-03, /03L-0:on 810701,during Shutdown,Source Range Instruments NI-1 & 2 Found Not Responding as Expected. Cause Unknown.Operability Checks Satisfactory.All Nuclear Detectors Replaced
05000302/LER-1981-043-03, /03L-0:on 810709,during shutdown,175-ft Wind Direction Instrument Found Out of Calibr.Caused by Technician Using Wrong Ref Slot for Mounting Optical Orientation Device During Last Calibr
IA-97-265, Final Response to FOIA Request for Documents.Forwards Documents Listed in App a Being Made Available in Pdr.App B Records Being Withheld in Part (Ref FOIA Exemption 6)