| | | Reporting criterion |
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| 05000263/LER-1992-008, :on 920624,1-inch Conduit Fire Barrier Declared Inoperable & on 920831,4-inch Conduit Fire Barrier Declared Inoperable Based on Review of NRC Bulletin 92-001 & Suppl 1. Continuous Fire Watch Established |
- on 920624,1-inch Conduit Fire Barrier Declared Inoperable & on 920831,4-inch Conduit Fire Barrier Declared Inoperable Based on Review of NRC Bulletin 92-001 & Suppl 1. Continuous Fire Watch Established
| 10 CFR 50.73(a)(2)(1) |
| 05000263/LER-1992-009, :on 920728,HPCI Declared Inoperable Due to Concerns That Sys Would Not Perform as Described in FSAR During Atws.Caused by Inadequate Consendate Storage Tank Inventory.Updated FSAR Will Be Revised |
- on 920728,HPCI Declared Inoperable Due to Concerns That Sys Would Not Perform as Described in FSAR During Atws.Caused by Inadequate Consendate Storage Tank Inventory.Updated FSAR Will Be Revised
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| 05000263/LER-1992-010-01, Forwards LER 92-010-01,modifying Root Cause of First Event, Based on Investigation Delineated in LER 92-012-00 | Forwards LER 92-010-01,modifying Root Cause of First Event, Based on Investigation Delineated in LER 92-012-00 | |
| 05000263/LER-1992-010, :on 920725,discovered That Four Valves Used to Mitigate Consequences of HELB Not Included in ASME Section XI Testing Program.Caused by Failure to Include Emergency Svc Water Valves in Aop.Aops Revised |
- on 920725,discovered That Four Valves Used to Mitigate Consequences of HELB Not Included in ASME Section XI Testing Program.Caused by Failure to Include Emergency Svc Water Valves in Aop.Aops Revised
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| 05000263/LER-1992-011-01, :on 920922,determined That Existing Elevator Could Have Damaged Safe Shutdown Equipment During Design Bases Seismic Event.Caused by Inadequate Original Design.New Elevator Will Be Installed |
- on 920922,determined That Existing Elevator Could Have Damaged Safe Shutdown Equipment During Design Bases Seismic Event.Caused by Inadequate Original Design.New Elevator Will Be Installed
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| 05000263/LER-1992-012-01, Forwards LER 92-012-01 Initially Re Failure to Include Manual Valves in Section XI Testing.Results of Review & Other ASME Section XI Program Discrepancies,Noted in Insp Rept 50-263/92-10 Warranted Rev to LER | Forwards LER 92-012-01 Initially Re Failure to Include Manual Valves in Section XI Testing.Results of Review & Other ASME Section XI Program Discrepancies,Noted in Insp Rept 50-263/92-10 Warranted Rev to LER | |
| 05000263/LER-1992-012, :on 920824,six RHR Svc Water Valves,Two ESW Valves & Two EDG Emergency Svc Water Valves,Noted During NRC Insp,Not Included in ASME Section XI Program.Caused by Code Misinterpretation.All Components Will Be Tested |
- on 920824,six RHR Svc Water Valves,Two ESW Valves & Two EDG Emergency Svc Water Valves,Noted During NRC Insp,Not Included in ASME Section XI Program.Caused by Code Misinterpretation.All Components Will Be Tested
| 10 CFR 50.73(a)(2)(1) |
| 05000263/LER-1992-013-02, :on 920930,identified That Fire Barrier Damper Had Not Been Inspected as Required by Ts.Caused by Failure to Include Damper in Surveillance Program.Fire Watch Established & Damper Inspected |
- on 920930,identified That Fire Barrier Damper Had Not Been Inspected as Required by Ts.Caused by Failure to Include Damper in Surveillance Program.Fire Watch Established & Damper Inspected
| 10 CFR 50.73(a)(2)(1) |
| 05000263/LER-1992-013-01, :on 920930,identified That Fire Barrier Damper Had Not Been Inspected as Required by Ts.Caused by Failure to Perform Surveillance.Surveillance Procedure Revised to Include Damper for Insp Every 18 Months |
- on 920930,identified That Fire Barrier Damper Had Not Been Inspected as Required by Ts.Caused by Failure to Perform Surveillance.Surveillance Procedure Revised to Include Damper for Insp Every 18 Months
| 10 CFR 50.73(a)(2)(1) |
| 05000263/LER-1992-014-01, :on 921003,automatic Transfer of High Pressure Coolant Injection Suction from Condensate Storage Tanks to Suppression Pool Occurred Due to Inadvertent Jarring of Level Switch.Hpci & RCIC Returned to Normal |
- on 921003,automatic Transfer of High Pressure Coolant Injection Suction from Condensate Storage Tanks to Suppression Pool Occurred Due to Inadvertent Jarring of Level Switch.Hpci & RCIC Returned to Normal
| 10 CFR 50.73(a)(2)(iv), System Actuation |
| 05000263/LER-1992-014, :on 921003,automatic Transfer of HPCI Suction from Condensate Storage Tanks to Suppression Pool Occurred. Caused by Inadvertent Jarring of Level Switch.Hpci & Core Isolation Cooling Sys Returned to Normal |
- on 921003,automatic Transfer of HPCI Suction from Condensate Storage Tanks to Suppression Pool Occurred. Caused by Inadvertent Jarring of Level Switch.Hpci & Core Isolation Cooling Sys Returned to Normal
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| 05000263/LER-1992-015, :on 921021,determined That CR Ventilation & Emergency Filtration Train Radiation Detectors Outside Design Basis.Caused by Design Deficiency During Initial CR Design.Mod to Initiate Transfer Installed |
- on 921021,determined That CR Ventilation & Emergency Filtration Train Radiation Detectors Outside Design Basis.Caused by Design Deficiency During Initial CR Design.Mod to Initiate Transfer Installed
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| 05000263/LER-1992-016-01, Forwards LER 92-016-01 Re Failure of Emergency Svc Water Check Valves to Seat Due to Accumulation of Silt.Evaluation Will Be Performed to Determine Feasibility of Replacing Check Valves ESW-13 & ESW-14 | Forwards LER 92-016-01 Re Failure of Emergency Svc Water Check Valves to Seat Due to Accumulation of Silt.Evaluation Will Be Performed to Determine Feasibility of Replacing Check Valves ESW-13 & ESW-14 | |
| 05000263/LER-1992-016, :on 921107,two Check Valves in Esws Failed to Seat Properly.Cause Unknown.Check Valves Will Be Inspected, Replaced or Repaired & Supplemental Rept W/Results Will Be Submitted |
- on 921107,two Check Valves in Esws Failed to Seat Properly.Cause Unknown.Check Valves Will Be Inspected, Replaced or Repaired & Supplemental Rept W/Results Will Be Submitted
| 10 CFR 50.73(a)(2)(1) |
| 05000263/LER-1992-017, :on 921109,non-safety Related Relays Could Prevent Both EDG from Performing Intended Function Due to Inadequate Design.Safety Evaluation Performed to Assess Operation of EDG W/Power Monitoring Relay |
- on 921109,non-safety Related Relays Could Prevent Both EDG from Performing Intended Function Due to Inadequate Design.Safety Evaluation Performed to Assess Operation of EDG W/Power Monitoring Relay
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| 05000263/LER-1992-018, :on 921113,determined That APRM Scram Setpoint Set So Scram Could Occur Outside Analyzed Conditions.Caused by Failure to Implement Updated SAR Requirements.Gain Setting Adjusted |
- on 921113,determined That APRM Scram Setpoint Set So Scram Could Occur Outside Analyzed Conditions.Caused by Failure to Implement Updated SAR Requirements.Gain Setting Adjusted
| 10 CFR 50.73(a)(2) |