Pages that link to "NRC Form 386"
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The following pages link to NRC Form 386:
Displayed 50 items.
- 05000445/LER-2001-001 (← links)
- 05000387/LER-2001-003 (← links)
- ML062510324 (← links)
- ML061710116 (← links)
- ML061710024 (← links)
- ML061710023 (← links)
- ML061710020 (← links)
- ML060810041 (← links)
- ML19338E250 (← links)
- ML052590548 (← links)
- ML031110174 (← links)
- 05000366/LER-1983-040, Updated LER 83-040/03X-1:on 830709 & 14,control Rod Drive Low Pressure or High Level Alarm Received for HCV 2C11-26-31 & 02-29.Caused by Leaking EP-111 Nitrogen Charging Valves. Valves Replaced & HCVs Returned to Svc (← links)
- 05000302/LER-1983-023, Updated LER 83-023/01T-1:on 830613,fire Damper Discovered Missing.Approx 55 Addl Dampers & Chase Connecting Control Complex 108 & 165 Ft Elevations Degraded Due to Incorrect Fire Rating.Caused by Personnel Error (← links)
- 05000265/LER-1983-020, Revised LER 83-020/01T-1:on 831028,weld 02B-S9,22-inch Pipe to Cap,Weld 02BS-S12,28-inch Elbow to Pipe & Weld 02BS-F14, 28-inch Pipe to Elbow Weld Had Circumferential Linear Indications (← links)
- ML20148Q722 (← links)
- ML20154F402 (← links)
- ML20248G918 (← links)
- ML20236P644 (← links)
- IR 05000291/2014001 (← links)
- ML20210H097 (← links)
- NPL-97-0565, LER 97-S02-00:on 970815,perimeter Zones,Doors & Cameras Were Lost.Caused by Inadequate Compensatory Measures Taken for Failed Multiplexer.Repaired Mux for e-field Zone 8 (← links)
- 05000285/LER-1998-005, :on 980520,161 Kv Transmission Line Circuit Breakers Tripped.Caused by Inappropriate Actuation of Deluge Sys for Transformer T1A-3.Transformer T1A-3 Was Checked to Ensure No Damage to Transformer Occurred (← links)
- 05000395/LER-1998-005, :on 980430,inadequate ASME Code Relief Valve Surveillance Testing Was Determined.Caused by Failure to Upgrade IST Implementing Procedures to Address Addl Test Requirements.Initiated Review (← links)
- 05000333/LER-1998-004, :on 980501,initiated Manual Reactor Scram Due to Multiple Control Rod Drift Indications in Cr.Implemented Preventive Maint Evaluation for Control Rods & Similar Power Supplies to Determine Appropriate Preventive Maint Tasks (← links)
- 05000483/LER-1989-011, :on 890906,steam Generator lo-lo Level Trip Time Delays Reinstated W/O Being Verified Operable by Performance of Tech Spec Surveillance Requirement.Caused by Personnel Error.Procedure Revised (← links)
- 05000277/LER-1989-011, :on 890424,scram Discharge Vol Drain & Vent Valve Stroking Surveillance Test Not Performed.Caused by Procedural Deficiency & Scheduling Error.Surveillance Test Completed Satisfactorily on 890429 (← links)
- 05000382/LER-1988-030, :Since 881110,number of Discrepancies Have Been Identified in fire-rated Assemblies at Plant.Cause of Events Appears to Be Inadequate Fire Seal Installation & Insp Program During Initial Plant Const (← links)
- 05000352/LER-1989-029, :on 890427,main Control Room Received High Toxic Chemical Concentration Alarm on Vinyl Chloride & Chlorine Mode of Isolation Manually Initiated.Caused by Mineral Spirits from Painting.Painting Stopped (← links)
- 05000277/LER-1989-016-01, :on 890722,APRM hi-hi Signal Caused LPRM Detector 4B-40-33 to Spike Upscale.Caused by Output Signal of LPRM Detector Spiking High.Detector Placed in Bypass Position & Scram Signal Reset (← links)
- 05000483/LER-1989-006, :on 890529,reactor Trip Occurred on Power Range Neutron Flux Rate Trip Signal.Caused by Lack of Detail Provided in Plant Procedures.Procedure ESP-ZZ-00006, Incore /Excore Calibr Revised (← links)
- 05000364/LER-1989-007, :on 890522,reactor Tripped Due to lo-lo Steam Generator Level.Caused by Loose Electrical Connector on Steam Generator Feed Pump 2A Thrust Bearing Wear Device. Preventive Maint Task Will Be Developed (← links)
- 05000285/LER-1988-038, :on 881231,ESF Actuation Occurred W/Technician Working on Mod to Pressurizer Level Instrumentation Behind Control Panels CB-1/2/3.Affected Sys Returned to Svc & Containment Purge Restarted (← links)
- 05000461/LER-1989-014, :on 890304,failure to Accurately Assess Impact That Existing Sys Lineup Had on Local Leak Rate Test Lineup Occurred,Violating Secondary Containment Integrity.Caused by Shift Supervisor Error.Supervisor Counseled (← links)
- 05000440/LER-1987-057, :on 870813,reactor Protection Sys Actuation Occurred Due to Deficient Change to Surveillance Instructions.Caused by Inadequate Instruction for Flushing Sensing Lines.Surveillance Instructions Revised (← links)
- 05000321/LER-1987-011-01, :on 870723,vital AC (EIIS Code Ee) Power Lost Resulting in Reactor Scram.Caused by Equipment Failure. Inverter Refurbished,Temporary Cooling to Inverter Rooms Added & Failed Parts Replaced (← links)
- 05000245/LER-1987-024-01, :on 870715,initiation of Standby Gas Treatment Sys Occurred.Caused by Personnel Error.Lprm Cutting Process Stopped & Detector Lowered Into Spent Fuel Pool.Personnel Counseled Re Lifting LPRM Correctly (← links)
- 05000213/LER-1987-011, :on 870721,containment Penetration P-30 Failed Type C Local Leak Rate Test.Caused by Improper Seating & Valve Misapplication.Penetration Modified to Eliminate HS-CV-295 & HS-CV-295A Valves (← links)
- 05000443/LER-1989-002, :on 890203,determined Portable Cooling Tower Makeup Pump Required by Tech Spec 3.7.5, UHS, Stored Contrary to Requirements of Subj Spec.Caused by Inadequate Surveillance Procedures (← links)
- 05000298/LER-1989-002, :on 890131,unplanned Actuation of Reactor Protection Sys & Groups 2,3 & 6 Isolations Occurred.Caused by Inadequate Job Planning & Lack of Concentration on Task. Plant Sys Restored to Prior Mode of Operations (← links)
- 05000482/LER-1987-050-01, Revised LER 87-050-01:on 871014,containment Isolation Valve Failed During Local Leak Rate Test Causing Total Path Leakage to Exceed Tech Spec Limits.Caused by Containment Isolation Check Valve Sticking Open (← links)
- 05000334/LER-1989-001-01, :on 890117,reactor Trip Due to Low Steam Generator Level Coincident W/Steam Flow - Feedwater Flow Mismatch.Caused by Operator Error.Operators Counseled Re Event (← links)
- 05000266/LER-1998-011, :on 980214,missed TS Surveillance of Radiation Monitor Prior to Discharge Occurred.Caused by Failure to Adhere to Procedures Based on Failure to Recognize.Thorough Root Cause Evaluation Performed (← links)
- 05000321/LER-1986-037, :on 860906,one Half Primary Containment Isolation Sys Group 2 Isolation Occurred.Caused by Blown Fuse & Relay Coil Failure.Relay Coil Replaced & One Half Group 2 Signal Reset (← links)
- 05000298/LER-1987-011, :on 870517,while Conducting Monthly Turbine Valve Testing,Unplanned Actuation of Reactor Protection Sys & Containment Isolation Valve Groups 2,3 & 6 Initiated. Caused by Personnel Error.Procedure Revised (← links)
- 05000338/LER-1986-017-01, :on 860910,single Train ECCS Actuation from lo- Lo Pressurizer Pressure Signal Occurred.Caused by Personnel Error During Performance of Solid State Protection Sys Test. Evaluation Continuing (← links)
- 05000366/LER-1986-021-01, :on 860828,reactor Protection Sys Motor Generator Set C Cabinet Output Breaker Tripped,Causing Loss of Power to Bus A.Caused by Failed Limit Switch Assembly. Limit Switch Assembly & Torque Switch Replaced (← links)
- 05000410/LER-1986-006-01, :on 861112,Tech Spec Hourly Fire Watch Patrol Surveillance Requirements Exceeded Twice.Caused by Cognitive Personnel Errors.Fire Dept Personnel Trained in Tech Spec Requirements & Patrol Methods Revised (← links)
- 05000336/LER-1986-015-01, :on 861114,diesel Generator Differential Relays Not Seismically Qualified for Class IE Svc.Caused by Installation of Nonqualified Relays.Relays Removed from Svc & Replaced (← links)
- 05000400/LER-1987-003, :on 870113,cooldown Initiated Due to Inoperable motor-driven 1A-SA Auxiliary Feedwater Pump.Caused by Assembly Error During Initial Installation of Pump.Flow Test Frequency Changed & Pump Repaired (← links)
- 05000298/LER-1986-004, :on 860227,ESF,primary Containment Isolation Sys Group III Isolation Challenged During Cooldown.Caused by RWCU High Sys Flow of No More than 200%.RWCU Sys Lineup Reestablished & Sys Returned to Svc (← links)