Pages that link to "ML20137G843"

The following pages link to ML20137G843:

Displayed 41 items.

• ML20084T942 ‎ (← links)
• ML20084T937 ‎ (← links)
• ML20084T935 ‎ (← links)
• ML20084T932 ‎ (← links)
• ML20084T925 ‎ (← links)
• ML20084T884 ‎ (← links)
• ML20084T875 ‎ (← links)
• ML20084T871 ‎ (← links)
• ML20084T859 ‎ (← links)
• ML20084T849 ‎ (← links)
• ML20084T848 ‎ (← links)
• ML20084T846 ‎ (← links)
• 05000259/LER-1998-002-01, :on 980521,determined That Flow Switch Calibr Test Did Not Ensure Calibr of Both Instrument Channels as Required by Tss.Caused by Technical Inaccuracies in Surveillance Instruction.Surveillance Instructions Revised ‎ (← links)
• 05000259/LER-1989-007, :on 890305,when Diesel Generator Start Logic Energized,Diesel Generator Unexpectedly Started.Caused by Start Failure Relay Start Logic Not Reset After Earlier Logic Testing.Diesel Generator Shutdown ‎ (← links)
• 05000259/LER-1989-014, :on 890606,diesel Generators 1B & 1D auto-started During Performance of Surveillance Procedure O-SI-4.9.A.3.a,resulting in Actuation of Esf.Caused by Personnel Error.Procedure Revised ‎ (← links)
• 05000259/LER-1989-012-02, :on 890505,fault in Isolated Phase Bus Duct on Secondary Side of Main Transformer 1A Occurred.Caused by Lack of Administrative Control on Operation of Bus Duct Cooling Sys.Standoff Insulators Replaced ‎ (← links)
• 05000259/LER-1989-011-02, :on 890503,determined That Emergency Equipment Cooling Water anti-siphon Check Valves Have Potential for Transporting Uncontrolled & Unfiltered Secondary Containment Atmosphere to Outside Atmoshere ‎ (← links)
• 05000259/LER-1989-009-02, :on 890322,discovered That Single Failure of Electrical Fire Pump Lock Out Relay During Loss of Power/ LOCA Could Overload Diesel Generator.Caused by Condition Existing in Original Design ‎ (← links)
• 05000259/LER-1988-036, :on 881018,unanalyzed Conditions Identified Re Loading & Sequencing of Loads on safety-related Electrical Distribution Sys.Caused by Inadequate Design Control & Review Program at Time of Original Design ‎ (← links)
• 05000260/LER-1989-020, :on 890702,logic Circuit Deenergized During Replacement of Fuse Resulting in Isolation of Reactor Zone Ventilation.Caused by Electricians Incorrectly Jumpering Fuse Prior to Removal.Instruction Revised ‎ (← links)
• 05000259/LER-1989-024-02, :on 890826 & 0920,reactor Protection Sys Bus 1B Deenergized Resulting in Actuation of Plant Esfs.Caused by Inadequate Design of Protector Setpoints.Degraded Voltage Adjustment Potentiometer Replaced ‎ (← links)
• 05000259/LER-1989-006-01, :on 890228,loss of Secondary Containment Integrity Occurred When Ventilation Exhaust Radiation Monitor Repaired on 890225 But Not Tested Following Maint. Caused by Personnel Error.Procedures Revised ‎ (← links)
• 05000259/LER-1989-015-02, :on 890627,both Doors of Airlock Opened Simultaneously for Approx 5 S.Caused by Failure of Two Welds Which Attach Bracket That Holds Lockset on Refuel Floor Side.Lockset Bracket Reattached & Signs Placed ‎ (← links)
• 05000259/LER-1998-001-03, :on 980414,standby Gas Treatment Sys HEPA Filter Testing Was Not in Compliance W/Ansi Std Requirements.Caused by Lack of Understanding of DOP Testing. Filter Testing Training Will Be Provided ‎ (← links)
• 05000260/LER-1989-006-02, :on 890331,reactor Protection Sys Deenergized, Resulting in ESF Actuations & Standby Gas Treatment,Control Room Emergency Ventilation & Refuel Zone Isolations.Caused by Personnel Standing on Breaker Cabinet ‎ (← links)
• 05000260/LER-1989-019, :890623,loop II of RHR Sys Technically Inoperable When Operability Required by Tech Specs.Caused by Inadequate Tracking & Dispositioning of Test Deficiency. Signature Requirements Added to Test Packages ‎ (← links)
• 05000260/LER-1989-026, :on 890810,diesel Generator B Declared Inoperable When Min Air Start Sys Pressure Not Met Due to Air Leak on High Pressure Head of Compressor.Caused by Failure to Reassemble Head Correctly ‎ (← links)
• 05000259/LER-1989-022-02, :on 890810,Train a of Control Room Emergency Ventilation Sys Actuated Due to Radiation Monitor Signal. Caused by Insertion of Radiation Detector Checksource. Monitor 3-RM-90-259B Functionally Tested ‎ (← links)
• 05000260/LER-1989-004-02, :on 890222,discovered That Previous Week Surveillance of 240-volt Shutdown Boards a & B Batteries Not Performed.Caused by Inadequate Tracking & Personnel Error. Surveillance Tracking Program Will Be Modified ‎ (← links)
• 05000259/LER-1989-021-02, :on 890807,identified That Continuous Fire Watch Not Established for Two Fire Doors as Required by Tech Specs.Caused by Personnel Error.Operations Supervisor Notified & Continuous Watch Posted ‎ (← links)
• 05000260/LER-1989-009-01, :on 890411,unplanned Scram & Main Steam Line Isolation Due to Spurious Spikes on Main Steam Line Radiation Monitors.Signal Cables from Radiation Monitors Disconnected to Prevent Spurious Trips ‎ (← links)
• 05000260/LER-1989-008, :on 890309,ESF Actuation Occurred Due to Electrical Fault on Unit Station Svc Transformer 2B.Caused by Inadequate Insulation Above Bus Joint,Bus Duct Design & Lack of Maint.Electrical Power Restored ‎ (← links)
• 05000259/LER-1988-036-01, :on 881018,two Possible Unanalyzed Electrical Loading on Safety Related Electrical Sys Identified.Caused by Inadequate Design Control & Review Program.Accident Signals from Units 1 & 2 Disabled ‎ (← links)
• 05000259/LER-1989-006, :on 890228,discovered That Secondary Containment Ventilation Exhaust Radiation Monitor Repaired on 890225 W/O Being Tested Following Maint.Caused by Personnel Error.Plant Procedures Revised ‎ (← links)
• 05000259/LER-1989-019-02, :on 890726,radiation Monitor on Refuel Zone Ventilation Exhaust Received Spurious Signal.Caused by Failed Connection at Radiation Detector Assembly.Radiation Detector Repaired & Declared Operable ‎ (← links)
• 05000260/LER-1989-012, :on 890405,discovered That RHR Pump Breaker Not Racked Out as Required.Caused by Written Special Requirements Not Being Transmitted to Shift Personnel Prior to Board Transfer ‎ (← links)
• 05000260/LER-1989-023, :on 890723,standby Gas Treatment Train C Became Inoperable Due to Diesel Generator 3D Becoming Inoperable. Caused by Equipment Failure.Root Cause of Relative Humidity Heater Circuit Breaker Tripping Undetermined ‎ (← links)
• 05000259/LER-1988-038, :on 881017,discovered That Min Set of Electrical Calculations Unavailable to Confirm Technical Adequacy of Electrical Sys.Calculation Program Established & Will Be Performed Prior to Restart ‎ (← links)
• 05000260/LER-1989-018, :on 890606,diesel Generator a Declared Inoperable Resulting in Inoperability of RHR 2A Pump & Failure to Comply W/Tech Specs.Caused by Failure to Detect Damage from Corrosion Debris ‎ (← links)
• 05000259/LER-1989-003-01, :on 890131,determined That Original Design of Suppression Pool Vacuum Relief Sys Does Not Meet Single Failure,Double Isolation Design Criteria.Caused by Design Error.Design Will Be Modified ‎ (← links)
• 05000259/LER-1989-014-02, :on 890606,diesel Generators 1B & 1D auto- Started During Performance of 0-SI-4.9.A.3.a.Caused by Personnel Error.Procedure Immediately Revised to Include Precautionary Note Re Insulation of Terminals ‎ (← links)