Search by property

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

• NRC-95-0061, Main Turbine Trip Due to False Overspeed During Mechanical Overspeed Test  + (ML20086B790)
• 05000272/LER-1976-019-03, /03L:on 761130,1201 & 03,boron Injection Tank Boron Concentration Found Low.Caused by Inadvertent Safety Injection Actuations  + (ML20086B791)
• 05000272/LER-1976-018-03, /03L:on 761202,collection of Condensate Found in Low Side of Steam Generator 12 Steam Flow Transmitter FT-522.Caused by Incorrect Pipe Slope Causing Erroneous Readings  + (ML20086B794)
• 05000272/LER-1976-017-03, /03L:on 761206,investigation of Air Flow Calculator Revealed 761124 Inoperability of Personnel Airlock.Caused by Calculation Error  + (ML20086B796)
• 05000272/LER-1976-016-03, /03L:on 761203,safety Injection Initiated Due to High Steam Line Differential Pressure.Caused by Use of Grounded Test Leads Rather than Ungrounded Leads  + (ML20086B797)
• 05000272/LER-1976-015-03, /03L:on 761204,main Steam Safety Valve 13 (13MS15) Setpoint Found Greater than 1% Tolerance.Cause Not Stated. Valve Seat Lapped Due to Signs of Weeping.Valve Reset  + (ML20086B799)
• 05000272/LER-1976-013-03, /03L:on 761027,svc Water Pump Motor 16 Failed. Caused by Minor Insulation Cracks in End Turns of Motor. Motor Operation Continued Until Repairs Established  + (ML20086B802)
• 05000272/LER-1976-012-03, /03L:on 761101,diesel Generator 1A Tripped on High Jacket Water Temp.Caused by Loose Driver Train Set Screw,Prohibiting Motor from Moving Valve Stem.Liquid Lock Tight Applied to Setscrew  + (ML20086B803)
• 05000272/LER-1976-011-03, /03L:on 761019,shift Supervisor Discovered Routine Tech Spec Surveillance Overdue.Caused by Nonreturn of Last Completed Surveillance Card for Clearance Through Computer  + (ML20086B804)
• 05000341/LER-1995-006, :on 950602,main Turbine Trip Occurred Due to False Overspeed During Mechanical Overspeed Test.Revised Procedure 27.112.01 to Incorporate Holding Overspeed Reset Pushbutton Depressed at Least 15 Seconds  + (ML20086B805)
• 05000272/LER-1976-009-03, /03L:on 761005,shift Supervisor Found Four Routine Tech Spec Surveillance Requirements Overdue.Caused by Misfiling of Respective Insp Order Cards.Surveillances Completed  + (ML20086B806)
• 05000272/LER-1976-008-03, /03L:on 760902,setpoints for Containment Radiation Monitors R12A & R12B More Conservative than Required & Setpoint for Monitor R11A Less Conservative.Caused by Personnel Error.Setpoints Recalculated  + (ML20086B808)
• 05000272/LER-1976-007-03, /03L:on 760915,1RH1 Inadvertently Closed.Caused by 1B Vital Instrument Bus Output Voltage Fluctuation Due to Technician Use of Grounded Oscilloscope.Charging Pump 13 Secured & 1RH1 Reopened  + (ML20086B809)
• 05000272/LER-1976-004, Supplemental LER 76-004/03L:on 760902,during Transfer of 1A Vital Instrument Bus to Alternate Power source,1RH2 Closed,Resulting in Loss of RHR Flow to Rcs.Caused by tagged-open Supply Breakers  + (ML20086B810)
• 05000265/LER-1991-013-06, :on 910819,economic Generation Control (EGC) Entered W/O Performing Required Surveillances to Comply W/Ts 4.3.F Due to Personnel Error.All Nuclear Station Operators Will Be Trained on EGC Operation  + (ML20086B815)
• 05000272/LER-1976-004-03, /03L:on 760902,during Transfer of 1A Vital Instrument Bus to Alternate Power Source,Valve 1RH2 Closed, Causing Loss of Cooldown Capability.Caused by Erroneous High Pressure Signal  + (ML20086B819)
• ML20086B821  + (ML20086B821)
• TXX-9515, Responds to NRC Re Violations Noted in Insp Repts 50-445/95-08 & 50-446/95-08 on 950410-13.Corrective Actions: Survey Data of SG Platform Was Analyzed & Compared to Affected Individual Electronic Dosimeter Readings  + (ML20086B823)
• ML20086B827  + (ML20086B827)
• ML20086B828  + (ML20086B828)
• 05000272/LER-1976-003-03, /03L:on 760902,RMS Channel 11A,12A & 12B Channel Checks Not Performed Per Tech Spec Requirements.Caused by Nonspecific Control Console Reading Sheet.Sheet Revised  + (ML20086B830)
• ML20086B836  + (ML20086B836)
• ML20086B838  + (ML20086B838)
• ML20086B842  + (ML20086B842)
• 05000272/LER-1976-002, Supplemental LER 76-002/01T:on 760822,Conde Milking Machine Co Model MX-16A (Containment Air Sample Pump for Air Particulate & Gaseous Radiation Monitors R11A,R12A & R12B) Failed.Caused by Bearing or Shaft Seal Seizure  + (ML20086B843)

• ML20086B847  + (ML20086B847)

• ML20086B850  + (ML20086B850)
• 05000272/LER-1976-002-01, /01T:on 760822,Conde Milking Machine Co Model MX-16A (Containment Air Sample Pump for Air Particulate & Gaseous Radiation Monitors R11A,R12A & R12B) Failed.Caused by Bearing &/Or Shaft Seal Seizure  + (ML20086B854)
• ML20086B855  + (ML20086B855)
• ML20086B856  + (ML20086B856)
• ML20086B861  + (ML20086B861)
• ML20086B865  + (ML20086B865)
• ML20086B867  + (ML20086B867)
• 05000272/LER-1976-001-01, /01T:on 760823,boric Acid Tank Concentration Found Low.Caused by Leaking Charging Pump Discharge Valves.Valve Seats Relapped  + (ML20086B870)
• ML20086B871  + (ML20086B871)
• 05000412/LER-1991-004-01, :on 911018,potential Auxiliary Feedwater Pump Lube Oil Cooler Operation Above Design Pressure Discovered. Caused by Vendor Not Rating Coolers for Higher Pressure. Stud Bolts of Higher Tensile Installed  + (ML20086B874)
• ML20086B879  + (ML20086B879)
• 05000298/LER-1991-012, :on 911015,unplanned ESF Actuations Occurred During Design Change Activities Resulting from Personnel Error,Human Factors & Inadequate Precautions for Work in Sensitive Areas.Written Guidelines Developed  + (ML20086B880)
• ML20086B881  + (ML20086B881)
• 05000325/LER-1991-016, :on 910619,discovered Failure of Both RCIC Steam Line Valves to Seat.Caused by Leakage of Anchor Darling Pressure Seal Gate double-disc Valves.Further Investigation of Cause Assigned  + (ML20086B882)
• ML20086B885  + (ML20086B885)
• ML20086B890  + (ML20086B890)
• ML20086B892  + (ML20086B892)
• ML20086B893  + (ML20086B893)
• ML20086B898  + (ML20086B898)
• ML20086B903  + (ML20086B903)
• ML20086B904  + (ML20086B904)
• ML20086B905  + (ML20086B905)
• ML20086B906  + (ML20086B906)
• ML20086B907  + (ML20086B907)
• ML20086B909  + (ML20086B909)