Pages that link to "05000285/LER-1990-023, :on 900921,safety Injection Piping & Relief Valves Were Out of Design Basis"

The following pages link to 05000285/LER-1990-023, :on 900921,safety Injection Piping & Relief Valves Were Out of Design Basis:

Displayed 17 items.

• ML20062C315 (redirect page) ‎ (← links)
• 05000285/LER-1990-023 (redirect page) ‎ (← links)
• 05000285/LER-1990-024, :on 901026,discovered Failure to Conduct Hourly Firewatch ‎ (← links)
• 05000285/LER-1990-025, :on 900929,determined That Cooling Water Sys Outside Design Basis for post-accident Containment Cooling ‎ (← links)
• 05000285/LER-1990-018, :on 900612,reactor Protective Sys (RPS) Trip Units for Axial Power Distribution Determined to Be Inoperable.Caused by Procedural Deficiencies.Procedure Revised & RPS Surveillance Tests Reviewed ‎ (← links)
• 05000285/LER-1990-015, :on 900507,PORV Variable Setpoints Used for Low Pressure Overpressure Protection Determined to Be Nonconservative for PORV Opening Time.Caused by Design Deficiency.Tech Spec Amend Prepared ‎ (← links)
• 05000285/LER-1990-014, :on 900427,investigation Revealed That Component Cooling Water Piping to Reactor Coolant Pump Seal Coolers Could Be Targets of High Energy Line Break.Safety Analysis for Operability Completed ‎ (← links)
• 05000285/LER-1990-011, :on 900402,inadvertent Actuation of Pressurizer Pressure Low Signal Occurred While Performing Calibr Procedure.Caused by Inappropriate Action by Technician Involved.Validation of Procedures Reviewed ‎ (← links)
• 05000285/LER-1990-009, :on 900316,potential Overpressurization of Auxiliary Feedwater Piping Could Have Occurred During Thermal Expansion of Process Fluid Between Closed Valved. Caused by Design Deficiencies ‎ (← links)
• 05000285/LER-1990-010, :on 900327,unplan Attempt Start of Emergency Diesel Generator Occurred While Unit Was in Refueling Shutdown.Caused by Insufficient Guidance in Operating Instructions OI-DG-1 & OI-DG-2 ‎ (← links)
• 05000285/LER-1990-008, :on 900306,electrician Was Connecting Leads as Part of Control Room Ventilation Mod & Caused Short Circuit While Working on Energized Circuit.Caused by Electrician Error.Enhanced General Guidelines Issued ‎ (← links)
• 05000285/LER-1990-006, :on 900226,unplanned Actuation Occurred in Backup Trip Circuit for 345 Kv Breaker 3451-5.Probably Caused by Physical Disturbance & Resultant Actuation of Relay.Evaluation Will Be Performed ‎ (← links)
• 05000285/LER-1990-002, :on 900226,inadvertent Actuation of Containment Isolation Actuation Signal Occurred W/Plant in Refueling Shutdown Condition.Caused by Accidental Actuation of Lockout Relay by Craftsman.Mod Procedure Revised ‎ (← links)
• 05000285/LER-1990-022, :on 900907,approx 460 Fire Barrier Penetration seals,60 Fire Dampers & 6 Fire Doors Declared Nonfunctional Per NRC Info Notice 88-004 Due to Lack of Documentation. Plant Outage Required to Implement Repairs/Replacements ‎ (← links)
• 05000285/LER-1990-021, :on 900829,inadvertent Reactor Protective Sys Actuation Occurred While Operator Changed Power Source. Caused by Operator Not Following Proper Procedures.Operator Counseled ‎ (← links)
• 05000285/LER-1990-005, :on 900223,determined That Spent Fuel Pool Area Charcoal Filtration Unit VA-66 Was Outside Design Basis. Caused by Insufficient Airflow Into Unit.Affected Updated SAR Analysis Will Be Updated ‎ (← links)
• 05000285/LER-1990-003, :on 900216,determined That Auxiliary Feedwater Piping Outside Normal Stress Limits of ASME Code & Design Basis Specified in Updated Sar.Caused by Design Deficiency.Valve Operators Will Be Inspected ‎ (← links)