Search by property
Jump to navigation
Jump to search
This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
List of results
- 05000334/LER-1998-022, :on 980427,common Mode Failure of Ci Check Valves Was Noted.Bvps Is Currently Investigating Root Cause & Appropriate Corrective Actions Will Be Identified + (18:31:38, 26 June 2025)
- 05000344/LER-1988-031, :on 880918,offsite Sources Not Demonstrated Operable When Emergency Diesel Generator Removed from Svc. Caused by Cognitive Personnel Error.Operability of Offsite Power Sources Demonstrated.Personnel Counseled + (18:36:03, 26 June 2025)
- 05000352/LER-1988-031, :on 881006,determined That Plant Not in Compliance W/Fire Protection Evaluation Rept.Caused by Misunderstanding & Misapplication of Detailed Regulatory Requirements.Fire Watch Patrol Established + (18:47:33, 26 June 2025)
- 05000298/LER-1996-009, :on 960725,App R Safe Shutdown Analysis Vulnerabilities Were Noted.Caused by Human Error.Performed Procedural Changes & Circuit Mods Were Made + (18:48:25, 26 June 2025)
- 05000254/LER-1998-006, :on 980128,RB Post LOCA Temps Were Higher than Values Used for Environ Qualification of Electrical Equipment Due to Invalid Engineering Judgement.Cause Cannot Be Objectively Documented.Installed New TOLs + (18:49:50, 26 June 2025)
- 05000293/LER-1989-026, :on 890830,automatic Scram Signal & Reactor Scram Resulted in turbine-generator Trip & Opening of 345 Kv Switchyard Air Circuit Breakers.Caused by Automatic Turbine Runback.Wiring to Relays Reversed + (18:49:53, 26 June 2025)
- 05000293/LER-1986-017, :on 860701,as-found Test Results for 18-inch Anchor Darling Feedwater Check Valves Showed Leakage in Excess of Tech Specs.Caused by Thermal Aging & Erosion of Soft Seat Matl.Hinge Pins Replaced + (18:49:58, 26 June 2025)
- 05000254/LER-1998-012-01, :on 980227,reactor Bottom Head Drain Line Developed Leak.Caused by Inadequate Work Practice During Original Construction.Replaced Leaking Section of Drain Line Under Design Change Package(Dcp 9800100) + (18:50:01, 26 June 2025)
- 05000461/LER-1998-004, :on 980127,identified Various Deficiencies in Installed SCR & Power Diodes of Division 2 Nsps Inverter. Caused by Ineffective & Inadequate Preventive Maint. Corrected Deficiencies & Calibr Inverter,Per 10CFR21 + (18:50:42, 26 June 2025)
- NUREG-0974, Forwards Suppl to Fes (NUREG-0974) & Fr Notice of Availability.Suppl Contains Evaluation of Alternative of Facility Operation W/Installation of Further Severe Accident Mitigation Design Features.W/O NUREG-0974 + (18:58:31, 26 June 2025)
- TAC:56348 + (19:01:22, 26 June 2025)
- TAC:M96098 + (19:03:49, 26 June 2025)
- NUREG-1355, Forwards NUREG-1355, Status of Recommendations of President Commission on Accident at TMI - 10-Yr Review. Over 90% of Items Identified for Followup Action Have Been Implemented by Nuclear Reactor Licensees.W/O Encl + (19:15:44, 26 June 2025)
- 05000293/LER-1997-010, :on 970420,postulated Pipe Break Pressure Relieving Pathway Boundary Door Was Found Open During Power Operation.Caused by Personnel Error.Closed & Latched Hasp of Door 9.Lock Obtained & Door Was Locked Closed + (19:17:09, 26 June 2025)
- 05000412/LER-1998-008, Forwards LER 98-008-00, Generic Letter 96-01 - TS Instrumentation Surveillance Inadequacies + (19:17:23, 26 June 2025)
- 05000318/LER-1989-007, :on 890505,evidence of Reactor Coolant Leakage from Unknown Number of Pressurizer Vessel Heater Penetrations & One Pressurizer Vessel Pressure/Level Penetration Noted.Cause Unknown + (19:18:36, 26 June 2025)
- 05000293/LER-1997-023, :on 971031,both Radwaste Bldg Trucklock Doors Closed Resulting in Configuration Inconsistent W/Tornado Depressurization Analysis Assumptions.Caused by Inadequate Control of Subcompartment Barriers.Opened & Tagged One Door + (19:19:37, 26 June 2025)
- 05000293/LER-1986-010, :on 860415,unplanned Isolation of Primary Containment Isolation Sys Occurred Resulting in Closure of Eight MSIVs & Main Steam Outboard Drain Drive.Root Cause Undetermined.Loose Connections Reworked + (19:19:45, 26 June 2025)
- 05000293/LER-1984-010, :on 840822,determined That CRD Collet Retainer Tube Had Longitudinal through-wall Crack.Caused by IGSCC in Cold Worked & Weld Sensitized Stainless Steel.Matl Replaced & Metallurgically Examined + (19:29:43, 26 June 2025)
- 05000293/LER-1985-008, :on 850331,while Performing Routine HPCI Operability Flow Test,Hpci Turbine Tripped on Overspeed. Caused by Faulty Connector in Turbine Control Sys.Connector & Rupture Disc Replaced + (19:29:45, 26 June 2025)
- 05000361/LER-1998-006, :on 980421,missed TS Surveillance Due to Initial Procedural Error.Caused by Personnel Error.Revised Affected Procedures + (19:34:49, 26 June 2025)
- 05000282/LER-1998-005-01, Forwards LER 98-005-01,re Inoperability of Actuation Logic for MSIV in Certain Flooding Conditions from Feedwater Line Break.Commitments Made within Ltr,Encl + (19:38:50, 26 June 2025)
- 05000271/LER-1998-011, :on 980422,noted That HPCI & RCIC Systems Low Steam Supply Pressure Isolation Function Is Bypassed During Startup Contrary to Ts.Cause Under Investigation.Will Revise Procedures Re HPCI & RCIC Steam Supply Valves + (19:41:11, 26 June 2025)
- 05000271/LER-1996-025, :on 960924,determined That Primary Containment Nitrogen Purge Sys Inboard Torus Isolation Valve Leaked in Excess of TS Limits.Caused by Improperly Adjusted Mechanical Stop.Adjusted Mechanical Stop + (19:41:16, 26 June 2025)
- 05000368/LER-1988-016, :on 880920,Tech Specs Limit for Containment Spray Sys Train B Actuation Response Time Exceeded.Caused by Inadequate Procedures.Procedures for Routine Periodic Response Time Testing Revised for Discrepancy + (19:41:54, 26 June 2025)
- 05000302/LER-1989-016, :on 890426,deficiencies Re Environ Qualification of Containment Isolation Valves Found.Caused by Deficiencies in Development & Implementation of Environ Program.Review of Past Activities Performed + (19:42:54, 26 June 2025)
- 05000293/LER-1982-056-01, /01x-1:on 821213,determined That Pressure Relieving Partition on South Wall of Steam Tunnel Had 2 H Fire Resistive Rating.Caused by Design Deficiency.Continuous Fire Patrol for Steam Tunnel Established + (19:42:58, 26 June 2025)
- 05000293/LER-1983-061-03, /03X-1:on 831203,position Indication on Panel C-7 Failed to Annuciate for Vacuum Breaker 5045H.Caused by Out of Adjustment Limit Switch.Limit Switches on All Torus Vacuum Breakers Adjusted & Tested + (19:42:59, 26 June 2025)
- 05000344/LER-1988-019, :on 880223,discovered That Charcoal Absorber Bank for Train B Containment Hydrogen Vent Sys Replaced on 880212 W/O in-place Testing Required by Tech Spec.Caused by Inadequate Procedure.Procedures Revised + (19:44:21, 26 June 2025)
- COM-100, Forwards Reuter-Stokes 890322 Request for Withdrawal of Export License Application XCOM-1001 + (19:44:25, 26 June 2025)
- TAC:44593 + (19:45:29, 26 June 2025)
- 05000245/LER-1986-006, :on 860206,valve 1-MS-1D Produced Dual Position Indication When Control Switch Placed in Close Position. Caused by Binding of Valve Open Limit Switch Contact Block & Slide Panel.Limit Switch Repaired + (19:46:14, 26 June 2025)
- 05000458/LER-1988-011, :on 880503,containment Isolation Valve Discovered to Be Inoperable for Time Greater than Allowed by Tech Specs.Caused by Torque Arm Key Fallen Out of Keyway. Valve Repaired & Personnel Instructed + (19:47:09, 26 June 2025)
- 05000423/LER-1998-002, Informs of Revised Completion Date to Complete Commitment Contained in LER 98-002-00, Verification of ECCS Piping Full of Water Per TS 4.5.2.b.1 Not Being Met. New Commitment Made by Util,Encl + (19:47:26, 26 June 2025)
- 05000423/LER-1998-016, :on 980223,potential Air/Gas Intrusion in Chemical & Volume Control Sys Was Noted.Caused by Inadequate Initial Design.No Cause for Corrective Actions Because Both Flow Paths Were Operable + (19:47:29, 26 June 2025)
- 05000317/LER-1989-015, :on 890822,determined That Calculations Used to Determine That Dousing Sys for Containment Iodine Filters Not Required to Be Environmentally,In Error.Justification for Continued Operation Will Be Established + (19:47:30, 26 June 2025)
- 05000423/LER-1997-060, :on 971209,ineffective Implementation of PASS Program Was Noted.Caused by Failure of Mgt to Implement Effective PASS Program That Ensured Compliance W/Ts.Pass Has Been Incorporated Into Millstone Maint Rule as (a)(1) Sys + (19:47:45, 26 June 2025)
- 05000266/LER-1988-008, Informs That Mod to LER 88-008-00 Would Provide Redundant Feedwater Termination in Event of Main Steam Line Break Inside Containment.If Mod Not Completed on Unit 2 During Fall Outage,Mod Will Be Delayed Until Fall 1990 Outage + (19:49:46, 26 June 2025)
- 05000368/LER-1984-018, :on 840618,Train B of Sodium Hydroxide Addition Sys Discovered Inoperable During Monthly Surveillance Test. Caused by Personnel Error.Administrative Procedure Revised to Provide Clarification + (19:50:20, 26 June 2025)
- 05000368/LER-1986-016, :on 860617,pressurizer Low Pressure Trip Remained Bypassed at Pressure Greater than Allowed.Caused by Personnel Error Resulting in Inadequate Procedure.Plant Protection Sys Calibr Procedures Revised + (19:50:34, 26 June 2025)
- TAC:53962 + (19:51:10, 26 June 2025)
- TAC:L30887 + (19:52:06, 26 June 2025)
- 05000293/LER-1997-012-01, Forwards LER 97-012-01,re Failure of Relay to Energize During Surveillance Test.Commitment Made within Ltr,Listed + (19:52:33, 26 June 2025)
- 05000424/LER-1988-025, :on 880731,lightning Struck Containment Bldg, Resulting in Reactor Trip.Caused by Electrical Surge from Lightning Strike Shutting Down Computers.Circuit Board in Security Sys Backup Computer Replaced + (19:53:48, 26 June 2025)
- 05000254/LER-1987-025, Forwards Addl Info Re Control Room Habitability to Support Narrative Contained in LER 87-025 (Rev 1),including Control Room Habitability Study,Updated FSAR (Rev 88),inplace Charcoal Absorber Leak Rate Testing & Calculations + (20:00:36, 26 June 2025)
- TAC:00344 + (20:02:18, 26 June 2025)
- 05000309/LER-1988-005, :on 880523,potential Harsh Environ Postulated for Unqualified Solenoid Valves.Emergency Operating Procedures Revised to Manually Isolate Vent Lines Following Safety Injection Actuation Signal + (20:04:00, 26 June 2025)
- 05000368/LER-1987-002, :on 870213,discovered Degraded Fire Barriers Due to Installation of Improper Seal Matl in Seismic Gap Separating Adjacent Bldgs.Caused by Inadequate Instructions During Const Phase.Fire Watch Established + (20:04:11, 26 June 2025)
- 05000413/LER-1987-037, :on 870909,two Broken Pipe Supports Noted on ITT-Grinnell mini-stiff Pipe Clamps & Metal Strap Wrapped Around Pipe.Caused by Mfg Deficiency.Straps Replaced W/Heat Treated Strap.Also Reported Per Part 21 + (20:06:41, 26 June 2025)
- 05000498/LER-1997-009, :on 970902,MSSVs 7430A & 7430B Found W/Lift Settings Outside TS Allowable Tolerance as Listed.Caused by Alteration of Nozzle & Disc Oxide Layers.Lift Setting of out-of-tolerance Valves Will Be Adjusted + (20:12:00, 26 June 2025)
- 05000368/LER-1986-006, :on 860421,inadvertent Actuation of Reactor Protective Sys Occurred.Caused by Channel a Sys Departure from Nucleate Boiling Ratio & High Local Power Density Trip Functions Bypassed During Shutdown Operations + (20:16:03, 26 June 2025)