Pages that link to "05000416/LER-1990-022, :on 901026,loss of Shutdown Cooling Due to Inadequate Procedure"

The following pages link to 05000416/LER-1990-022, :on 901026,loss of Shutdown Cooling Due to Inadequate Procedure:

Displayed 30 items.

• 05000416/LER-1990-019-01, :on 901014,during Refueling Outage Four,Three Events Occurred in Which Same Power Supply Breaker Inadvertently Opened ‎ (← links)
• 05000416/LER-1990-020-01, :on 901016,containment Cooling Sys Found on High Radiation Level ‎ (← links)
• 05000416/LER-1990-022-01, :on 901026,breaker 52-15309,which Supplies Power to Common Suction Isolation Valve E12-F008,closed, Tripping RHR Pump B & Isolating Shutdown Cooling Sys.Caused by Inadequate Procedure.Standing Order Issued ‎ (← links)
• 05000416/LER-1990-029, :on 901218,reactor Protection Sys Actuation Occurred,Resulting in Automatic Plant Shutdown Due to Reactor Feedwater Pump Trip.Caused by Air Supply Valve Not Fully Open.Air Supply Valve Replaced ‎ (← links)
• 05000416/LER-1990-028, :on 901210,ESF,RPS & ECCS Hpsc Actuated, Resulting in Reactor Scram from Full Power.Caused by Failed Solder Joint in Instrument Air Sys & Leaking Root Valve. Joint Reinspected & Procedures Revised ‎ (← links)
• 05000416/LER-1990-026, :on 901124,manual Scram Inserted Following Lockup of Rod Pattern Control Sys During Reactor Startup. Caused by Transient of Reactor Water Level Attributed to Open Drain Valves.Startup Procedure Amended ‎ (← links)
• 05000416/LER-1990-025, :on 901122,actuation of Reactor Protection Sys Occurred During Surveillance of Reactor Mode Switch.Caused by Diminishing Power Supply of Test Equipment.Evaluation Will Be Conducted ‎ (← links)
• 05000416/LER-1990-024, :on 901114,standby Fresh Air Unit Actuation Occurred Due to Inadequate Test Instruction ‎ (← links)
• 05000416/LER-1990-023, :on 901105,shutdown Cooling Isolation Occurred Due to Blown Fuse ‎ (← links)
• 05000416/LER-1990-018-01, :on 901008,secondary Containment Doors Found Open During Refueling Outage ‎ (← links)
• 05000416/LER-1990-014, :on 900810,retest Not Performed Prior to Returning Secondary Containment Isolation Valve to Operable Status.Caused by Programmatic Weaknesses in Administrative Controls.Plant Procedures Changed ‎ (← links)
• ML20062F606 (redirect page) ‎ (← links)
• 05000416/LER-1990-022 (redirect page) ‎ (← links)
• 05000416/LER-1990-021-01, :on 901024,uncontrolled Lowering of Fuel Bundle Occurred ‎ (← links)
• 05000416/LER-1990-016-01, :on 900912,cooling Water Outlet Valve Failed to Stroke to Full Open Position & Div II Purge Sys Declared Inoperable ‎ (← links)
• 05000416/LER-1990-015, :on 900823,discovered That Fire Rated Assembly Penetration Not Properly Sealed.Cause Not Determined. Nonconformance Rept Written & Work Order Initiated to Seal Penetration ‎ (← links)
• 05000416/LER-1990-011-01, :on 900724,reactor Tripped on High Reactor Water Level W/Reactor Power in Process of Being Reduced in Attempt to Control Turbine Pump B Oscillations.Caused by Malfunction of Controller.Controller Calibr ‎ (← links)
• 05000416/LER-1990-013, :on 900725,instrument Cable from B Detector Disconnected Rather than C Detector While Performing Maint on Monitoring Sys.Caused by Personnel Error.Personnel Counseled on Methods for Self Verification ‎ (← links)
• 05000416/LER-1990-010-01, :on 900706,error Discovered in Evaluation Used to Demonstrate Adequacy of Svc Water Flow to HPCS Pump Room Cooler.Matls Nonconformance Rept Generated to Document Discrepancy ‎ (← links)
• 05000416/LER-1990-017, :on 900916,reactor Scram Occurred Due to Loss of Balance of Plant Busses ‎ (← links)
• 05000416/LER-1990-008, :on 900521,discovered That Fire Rated Door Required by Tech Spec 3/4.7.7 Not Designated as Tech Spec Door in Ssurveillance Procedures.Caused by Incorrect Interpretation of Tech Spec Requirements ‎ (← links)
• 05000416/LER-1990-009, :on 900526,nonlicensed Personnel Performed Step Out of Sequence During Breaker rack-out & Caused LPCS Pump Breaker to Close.Operator Involved Counseled on Failure to Adhere to Breaker Operation Procedure ‎ (← links)
• 05000416/LER-1990-007, :on 900516,discovered That Actions Taken for Inoperable Reactor Water Level Transmitter Not Adequate to Comply W/Requirements for Tech Spec 3.3.2.Caused by Personnel Error.Meetings Held W/Personnel ‎ (← links)
• 05000416/LER-1990-006, :on 900502,review of Effluent Sample Analysis Revealed That Turbine Bldg Ventilation Exhaust Had Not Been Analyzed Exceeding Time Limit.Caused by Personnel Error. Training & Counseling Conducted ‎ (← links)
• 05000416/LER-1990-005, :on 900406,discovered That Current Surveillance Practices for Stroke Testing Fresh Air Makeup Intake Valves Could Have Resulted in Unfiltered Pathway.Administrative Controls Placed on Valves ‎ (← links)
• 05000416/LER-1990-004, :on 900406,discovered That Surveillance Procedure for Verifying Air Pressure in Containment Airlock Seal Flasks Did Not Fully Implement Tech Spec 4.6.1.3.d.2. Caused by Deficient Procedures ‎ (← links)
• 05000416/LER-1990-003-01, Corrected LER 90-003-01:on 900215,potential Single Failure Scenario Identified That Could Result in Unavailability of Both Core Spray Sys for post-LOCA Core Cooling.Detailed Heatup Evaluation Performed ‎ (← links)
• 05000416/LER-1990-003, :on 900215,identified Potential Single Failure Scenario That Could Result in Unavailability of Both Core Spray Sys for Long Term post-LOCA Core Cooling.Detailed Heatup Evaluation Performed for Power Bundle ‎ (← links)
• 05000416/LER-1990-002, :on 900124,discovered That Div II Solenoid Associated W/Secondary Containment Isolation Valve Did Not Operate During Quarterly Valve Stroke Time Tests.Caused by Procedure Inadequacy.Procedures Changed ‎ (← links)
• 05000416/LER-1990-001, :on 900112,determined That Tech Spec Reactor Coolant Cooldown Rate Limit of 100 Degrees F Exceeded in Reactor Bottom Head Drain Pipe.Caused by Programmatic Deficiencies.Incident Rept Form Improved ‎ (← links)