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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

• 05000416/LER-1991-004-03, :on 910611,reactor Scram Occurred Due to Loss of Feedwater.Caused by Failed Pneumatic Relay Inside Valve Positioner.Positioner Replaced & Retested Satisfactorily.W/  + (ML20079D456)
• 05000293/LER-1991-011, :on 910604,inadvertent Primary Containment & Secondary Containment Isolation Signal Occurred Due to Util Licensed Operator Error.Responsible Engineer Counseled  + (ML20079D459)
• 05000219/LER-1991-002-01, :on 910221,local Leak Rate Testing Identified MSIV W/Leak Rate in Excess of Limits Due Valve Degradation. Mfg,Atwood & Morrill Modified Original Design to Provide Assurance That MSIVs Would Meet Requirements  + (ML20079D460)
• 05000352/LER-1991-016-01, :on 910610,reactor Pressure Increased Above 150 Psig W/Rcic Sys Inoperable.Caused by Main Control Room (MCR) Shift Supervisor Failure to Comply W/Startup Procedure GP-2. MCR Shift Supervisor Counseled  + (ML20079D461)
• 05000348/LER-1991-002-01, :on 910408,temporary Strainer Discovered Installed in Pump Suction Piping of Charing Pumps 1B & 1C. Caused by Inadequate Planning & Documentation.Strainers Removed from Charging Pumps  + (ML20079D479)
• 05000278/LER-1991-009-03, :on 910530,standby Liquid Control Sys Declared Inoperable.Caused by Reactor Operator Incorrectly Selecting Procedure Used to Initially Fill & Setup Sys.Individuals Involved Coached  + (ML20079D481)
• 05000373/LER-1991-008-03, :on 910613,control Room Ventilation Emergency make-up Train Auto Started on Spurious Trip from Control Room Air Intake Radiation Monitor.Possibly Caused by Random Noise.Logic Modified  + (ML20079D554)
• 05000423/LER-1991-014-01, :on 910609,reactor Trip Occurred Due to Switchyard Malfunction.Broken Screw & Affected Wiring Repaired & Pilot Wire Relay Returned to Svc  + (ML20079D558)
• 05000325/LER-1991-015-01, :on 910612,CRD Hydraulic Control Unit Declared Inoperable.Caused by Simultaneous Inoperability of Two CRD Hydraulic Control Units.Unit Accumulator Recharged W/ Nitrogen & Repaired  + (ML20079D572)
• 05000327/LER-1991-014, :on 910610,fire Watches Required by Tech Spec LCOs 3.3.3.8 & 3.7.12 Were Not Performed.Caused by Airborne Radiological Conditions.Airborne & Contamination Conditions Corrected  + (ML20079D573)
• 05000327/LER-1991-012-01, :on 910612,breach to Control Room Pressurization Boundary Discovered.Caused by Inappropriate Personnel Actions.Work Request Initiated to Seal Breach.W/  + (ML20079D574)
• 05000482/LER-1991-009, :on 910613,discovered That Surveillance Testing for Main Steam Loop 1 Low Point Drain Valve Not Performed at Required Frequency.Caused by Personnel Error.Clearance Order Procedure Revised  + (ML20079D577)
• 05000293/LER-1991-013, :on 910613,as-found Leak Test Results for Four Feedwater Check Valves Discovered to Be in Excess of TS Limits.Caused by Disc Misalignment,Resulting in Improper Valve Seating.Valve Internals Rebuilt  + (ML20079D578)
• ML20079D581  + (ML20079D581)
• ML20079D591  + (ML20079D591)
• ML20079D596  + (ML20079D596)
• ML20079D597  + (ML20079D597)
• ML20079D601  + (ML20079D601)
• ML20079D602  + (ML20079D602)
• ML20079D603  + (ML20079D603)
• ML20079D605  + (ML20079D605)
• ML20079D607  + (ML20079D607)
• ML20079D608  + (ML20079D608)
• ML20079D609  + (ML20079D609)
• ML20079D610  + (ML20079D610)

• PY-CEI-NRR-1372, Monthly Operating Rept for June 1991 for Perry Nuclear Power Plant  + (ML20079D611)

• ML20079D612  + (ML20079D612)
• ML20079D613  + (ML20079D613)
• NRC-91-0089, Monthly Operating Rept for June 1991 for Fermi 2  + (ML20079D614)
• ML20079D615  + (ML20079D615)
• 05000266/LER-1991-006, :on 910615,inadvertent Start of EDG Occurred. Caused When Operator Opening Generator Annunciator Panel. Tech Spec Test TS-1 Initiated Determining Operability of G01  + (ML20079D617)
• 05000318/LER-1991-006, :on 910615,loss of Control Room Emergency Ventilation Occurred Causing Plant Shutdown.Caused by Lack of Adequate Procedural Guidance.Establishing Task Force to Identify Problems  + (ML20079D619)
• 2CAN079105, Forwards Arkansas Nuclear One Unit 2 Inservice Insp Outage Summary Rept  + (ML20079D621)
• ML20079D623  + (ML20079D623)
• ML20079D624  + (ML20079D624)
• HL-1729, Responds to NRC Re Violations Noted in Insp Rept 50-321/91-13 & 50-366/91-13.Corrective Actions:Involved Personnel Counseled Re Need to Read & Follow All Health Physics Postings & Procedural Requirements  + (ML20079D625)
• ML20079D627  + (ML20079D627)
• 05000528/LER-1989-025, :on 891103,discovered That Radiant Energy Fire Barrier Missing from One of Two Pressurizer Auxiliary Spray Valves in Pressurizer Room.Caused by Incomplete Drawings.Engineering Evaluation Underway  + (ML20079D629)
• ML20079D641  + (ML20079D641)
• ML20079D648  + (ML20079D648)
• ML20079D650  + (ML20079D650)
• ML20079D652  + (ML20079D652)
• ML20079D655  + (ML20079D655)
• ML20079D658  + (ML20079D658)
• ML20079D668  + (ML20079D668)
• ML20079D670  + (ML20079D670)
• ML20079D671  + (ML20079D671)
• ML20079D680  + (ML20079D680)
• ML20079D681  + (ML20079D681)
• ML20079D683  + (ML20079D683)
• ML20079D684  + (ML20079D684)