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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

• 05000206/LER-1989-005, :on 890220 & 0317,emergency Diesel Generator 2 Automatically Started by Sequencer 2 on Loss of Bus Signal. Probably Caused by Partial Cycling of Relay Designed to Actuate During Undervoltage.Components Tested  + (ML13331A344)
• 05000206/LER-1989-009, :on 890308,determined That Several Effluent Monthly Repts Had Exceeded 31-day Surveillance Interval. Caused by Negligence on Part of Effluent Engineers.Chemistry Procedure Revised Requiring That Surveillances Be Performed  + (ML13331A347)
• 05000206/LER-1989-024, :on 890929,determined That Plant Could Be Placed in Configuration Which Could Result in Degraded Containment Spray Sys Flow.Caused by Weak Engineering & Technical Support.Controls Established  + (ML13331A348)
• ML13331A349  + (ML13331A349)
• ML13331A350  + (ML13331A350)
• 05000206/LER-1989-031, :on 891228,determined That Auxiliary Feedwater Could Produce Flow Rate Exceeding Water Hammer Design Basis Max.Apparently Caused by Error in Modeling Turbine Driven Pump.Worker Placed at Control Room Panel  + (ML13331A351)
• ML13331A352  + (ML13331A352)
• ML13331A353  + (ML13331A353)
• 05000206/LER-1989-030, :on 891228,determined That Previous Evaluations of post-loss of Cooling Accident ECCS Recirculation Flow Incorrectly Credited.Caused by Programmatic Weaknesses Noted in Util 881003 Submittal.Valve Closed  + (ML13331A354)
• 05000206/LER-1989-032, :on 890103,discovered That Tech Spec 18-month Insp of Former Security Uninterruptible Power Supply Battery D-20 Not Performed Following Installation of Temporary Mod. Mod Procedure Enhanced  + (ML13331A355)
• ML13331A356  + (ML13331A356)
• 05000206/LER-1990-001, :on 900120,dc Bus Feeder Breakers Opened During Dc Ground Troubleshooting,Resulting in Violation of Tech Spec 3.3.1.Ground Attributed to Degraded Cable Installation & Corrosion Conduit Joint.Ground Cleared  + (ML13331A358)
• ML13331A359  + (ML13331A359)
• 05000206/LER-1990-002, :on 900124,required Sample/Analysis Not Performed When Power Change Exceeded 15% within 1 H.Caused by Personnel Error.Individual Reprimanded & Event Discussed w/on-shift Operations Personnel  + (ML13331A360)
• PNO-V-90-009, on 900302,earthquake Occurred in Southern California.Quake Felt at Plant But Did Not Trigger Recording Instruments.No Further Licensee Actions Planned.Preliminary Notification Issued for Info Only  + (ML13331A361)
• ML13331A363  + (ML13331A363)
• 05000206/LER-1990-003, :on 900126,discovered That Tech Spec 4.15.8 Not Fully Implemented as Required by Newly Issued Amend Which Required Implementation by 891215.Caused by Personnel Error. Station Procedure SO123-III-6.6 Revised  + (ML13331A364)
• ML13331A366  + (ML13331A366)
• ML13331A369  + (ML13331A369)
• ML13331A371  + (ML13331A371)
• 05000206/LER-1989-033, :on 900131,discovered That RCS Sample for Gross Activity Determination Not Taken Prior to Entry Into Mode 4 on 890624.Caused by Failure to Incorporate New Chemistry Procedure.Procedures Revised & Incorporated  + (ML13331A373)
• ML13331A374  + (ML13331A374)
• ML13331A375  + (ML13331A375)
• 05000206/LER-1989-021, :on 890803,reactor Tripped on Low Flow Due to Instrument Cable Degradation.Caused by Polyethylene Insulation Becoming Brittle Due to Oxidation.Cable W/Loss of Insulation to Ground Replaced  + (ML13331A376)
• ML13331A377  + (ML13331A377)

• ML13331A378  + (ML13331A378)

• ML13331A379  + (ML13331A379)
• 05000206/LER-1990-005, :on 900215,containment Spray Sys Flow Restricting Valve CV-518 Actuator Failure Alarm Annunicated.Caused by Accumulator Pressure Decreasing Due to Cold Weather.Pressure Indication Will Be Added  + (ML13331A380)
• ML13331A381  + (ML13331A381)
• ML13331A382  + (ML13331A382)
• ML13331A384  + (ML13331A384)
• 05000206/LER-1990-006, :on 900219,during Testing of Valve fail-safe Position Associated W/Pneumatic Control Valves for Chemical & Vol Control Sys,Discovered That Control Valve Failed to Open Upon Loss of Instrument Air.Cause Unknown  + (ML13331A385)
• ML13331A386  + (ML13331A386)
• 05000206/LER-1989-023-02, :on 890918,manual Reactor Trip Occurred Following Dropped Shutdown Bank Rods.Caused by Failed Contactor Coil & Blown Fuse.Contactor Coil & Fuse Replaced w/in-kind Parts  + (ML13331A388)
• ML13331A389  + (ML13331A389)
• ML13331A391  + (ML13331A391)
• ML13331A393  + (ML13331A393)
• ML13331A394  + (ML13331A394)
• ML13331A395  + (ML13331A395)
• ML13331A396  + (ML13331A396)
• ML13331A397  + (ML13331A397)
• 05000206/LER-1990-004, :on 900223,determined That Such Leakage Could Be Inconsistent W/Basis of Tech Spec 3.1.4, Leakage & Leakage Detection Sys Relative to Extended Loss of All Ac Power.Caused by Inadequate Procedures  + (ML13331A398)
• ML13331A399  + (ML13331A399)
• ML13331A401  + (ML13331A401)
• 05000206/LER-1990-008, :on 900411,safety Injection Pump Breaker Declared Inoperable Which Resulted in Tech Spec 3.0.3 Entry. Caused by Holding Pawl Failure.Circuit Breaker Replaced & New Driving & Holding Pawls Will Be Installed  + (ML13331A402)
• 05000206/LER-1990-009, :on 900413,testing of Six safety-related 1/2 Inch Valves in Secondary Chemical Feed Sys Not Performed. Caused by Inadequate Adminstrative Controls.Procedure for Inservice Testing Program Will Be Revised  + (ML13331A403)
• ML13331A404  + (ML13331A404)
• ML13331A406  + (ML13331A406)
• PNO-V-90-025, on 900515,operator Manually Tripped Reactor When Steam Generator Level Indicated Less than 5%.Caused by Lead Inadvertently Grounded While Connecting Electrical Leads for Valve Position Indicator.Design Change Planned  + (ML13331A409)
• ML13331A410  + (ML13331A410)
• ML13331A412  + (ML13331A412)