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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

• ML20086F101  + (ML20086F101)
• ML20086F110  + (ML20086F110)
• 05000000/LER-1977-005-01, /1P:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculational Techniques.Bolts/Restraints to Be Added  + (ML20086F132)
• 05000000/LER-1977-005, Updated LER 77-005/1T:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculation Techniques  + (ML20086F137)
• ML20086F145  + (ML20086F145)
• 05000293/LER-1991-026, :on 911030 & 31,automatic Actuations Occurred in RWCU Sys Portion of Primary Containment Isolation Control Sys.Possibly Caused by Momentary Fluctuations in RWCU Sys Flow.High Flow Sensor Settings Verified  + (ML20086F148)
• ML20086F157  + (ML20086F157)
• BECO-LTR-91-999, Responds to Violations Noted in Electrical Distribution Sys Functional Insp Rept 50-293/91-80 on 910722-26.Corrective Actions:Personnel Received Root Cause Analysis Training & Root Cause Analysis & Evaluation Procedures to Be Revised  + (ML20086F158)
• ML20086F161  + (ML20086F161)
• RBG-35-981, Informs of Two Deviations Between Plant & Simulator Resulting from Mods to Plant Control Room,Per Exceptions Noted in 901217 Submittal of NRC Form 474, Simulation Facility Certification  + (ML20086F167)
• ML20086F176  + (ML20086F176)
• ML20086F181  + (ML20086F181)
• 05000454/LER-1991-005-08, :on 911027,Mode 4 Entered W/Containment Spray Sys & ECCS Recirculation Sump Isolation Valves Inoperable. Caused by Control Room Personnel Failure.Mode Change Checklists Will Be Revised  + (ML20086F187)
• BECO-LTR-91-995, Ack Receipt of Requesting That Util Respond to Review Comments of T Urbanik (Kld Assoc) Re Evacuation Time Estimate Sensitivity Study for Beach Populations.Util Already Responded to Issues Raised by Kld Assoc  + (ML20086F193)
• 05000277/LER-1976-065-36, /03L:on 760828,APRM a Trip Points Found to Be Less Conservative than Tech Spec Required W/Reactor in Run Mode. Caused by Instrument Drift.Aprm Recalibr & Returned to Svc  + (ML20086F195)
• 05000277/LER-1976-064-03, /03L:on 760829,containment Atmosphere Dilution Sys Declared Inoperable Because Liquid Nitrogen Tank Relief Valve Failed to Reseat,Blowing Down Content Below Limits. Blowback Ring Replaced  + (ML20086F196)
• 05000277/LER-1976-063-01, /01T:on 760825,suppressor on Recirculation Pump B Found W/Empty Reservoir.Caused by Broken Sight Glass.Site Glass Replaced & Suppressor Refilled & Checked for Leaks  + (ML20086F197)
• 05000277/LER-1976-062-01, /01T:on 760825,suppressor on Main Steam Relief Valve Discharge Line C Found W/Empty Reservoir.No Apparent Cause Found.Suppressor Refilled & Leak Checked Prior to Reinstallation  + (ML20086F198)
• 05000277/LER-1976-061-03, /03L:on 760823,drywell Radioactive Gas Sample Pumps Tripped & Sample Sys Isolated,Removing Sys from Svc. Relay GE CR120AD04041AA Failed in Fail Safe Position.Relay Replaced & Sys Returned to Svc  + (ML20086F199)
• 05000277/LER-1976-060-03, /03L:on 760821,improper Sample Obtained from Drywell Radioactive Gas Sampling Sys Due to Leakage.Caused by Loose Fitting on Electrical Penetration.Fitting Tightened  + (ML20086F200)
• 05000277/LER-1976-059-03, /03L:on 760824,outboard Drywell Purge Exhaust Valve A0-2507 Found Partially Closed.Caused by Sheared Alignment Key.Valve & Actuator Realigned & New Key Installed  + (ML20086F202)
• NRC-95-4502, Forwards Proprietary Notrump Preliminary Validation Rept for Osu Tests. Encl Rept Withheld Per 10CFR2.790  + (ML20086F203)
• 05000277/LER-1976-058-01, /01T:on 760820,torus Vol Fell Below Tech Spec Level.Caused by Defective Positioner on Control Valve Returning Condensate to Torus.Valve Positioner Repaired & Valve Returned to Svc  + (ML20086F205)
• 05000277/LER-1976-056-03, /03L:on 760803,control Room Ventilation Radiation Monitor RIS-0160A Displayed Abnormal Reading.Caused by Failure of Integrating Circuit in Exponent Counting Circuit of Trapelo DRM-100 Digital Process Radiation Monitor  + (ML20086F207)
• 05000277/LER-1976-055-01, /01T:on 760726,tripping of Reactor Bldg Ventilation Fans Resulted in Increase of Steam Tunnel Temp. Caused by Ventilation Sys Transient.Trip Points Returned to Normal & Recalibr After Ventilation Sys Returned to Svc  + (ML20086F208)

• 05000277/LER-1976-054-01, /01T:on 760719,HPCI Turbine Speed Could Not Be Controlled by Controller or Test Pot.Caused by Two Defective 2166 Zener Diodes & Defective 747 Integrated Circuit Chip in Ramp Generator & Signal Converter Assembly  + (ML20086F209)

• ML20086F210  + (ML20086F210)
• 05000277/LER-1976-053-03, /03L:on 760712,second Quarter Average Release Rate for Iodine & Particulate Exceeded Tech Spec.Caused by Shutdown & Depressurization for Refueling  + (ML20086F211)
• 05000277/LER-1976-052-03, /03L:on 760710,probe 1 Stopped 1 Inch Before Reaching Preset Shield Limit During Withdrawal & Machine Ball Valve Did Not Close.Probe Machine Shield Limit Switch Operated Spuriously Causing Incomplete Withdrawal  + (ML20086F213)
• 05000277/LER-1976-051-01, /01T:on 760711,sample Flow to Main Stack Sampling Sys Disturbed When Lightning Blew Fuses in Flow Control Valve Circuitry.Damaged Components & Blown Fuses Replaced  + (ML20086F214)
• 05000277/LER-1976-049-03, /03L:on 760619,failure of Common Power Supply to Refuel Floor Exhaust Vent Radiation Monitor & Reactor Bldg Exhaust Vent Radiation Monitor Caused Downscale Failures. Power Supply Replaced.Monitors Returned to Svc  + (ML20086F215)
• 05000277/LER-1976-047-01, /01T:on 760629,main Steam Relief Valve Failed Open.Caused by Pilot Valve Seat Leakage.Relief Valve Replaced  + (ML20086F216)
• 05000277/LER-1976-046-01, /01T:on 760629,all Four Recombiner Hydrogen Analyzers Found Valved Out of Svc.Caused by Procedural Deficiency.Plant Procedures Revised  + (ML20086F217)
• 05000277/LER-1976-042-03, /03L:on 760528,three Liquid Radwaste Releases Made W/Gross Activity Recorder Inoperable.Caused by Defective GE 1095K66707 Recorder Amplifier.Amplifier Replaced & Monitor & Recorder Recalibr & Returned to Svc  + (ML20086F218)
• 05000277/LER-1976-041-03, /03L:on 760519,reactor Recirculation Pump a Discharge Valve MO-2-02-53A Could Not Be Closed Following Minor Mod of Valve Control Circuit.Caused by Broken Wire in Closing Control Circuit.Broken Wire Repaired  + (ML20086F219)
• 05000277/LER-1976-040-03, /03L:on 760509,gamma Scan Not Performed Prior to Two Liquid Effluent Releases.Caused by Lack of Radwaste Storage Capacity.Beta Activity Reviewed Prior to Release. Based on Previous Data,Limit Would Not Be Exceeded  + (ML20086F222)
• 05000277/LER-1976-039-03, /03L:on 760507,required Source Range Monitor Surveillance Test Not Done Due to LPRM String Replacement. Importance of Test Completion Emphasized to Personnel  + (ML20086F223)
• 05000277/LER-1976-037-03, /03L:on 760426,reactor Level Switch LIS 2-2-3-101B Observed to Bounce When Trip Signal Applied.Caused by Defective Microswitch in Barton Model 288A Level Indicating Switch.Microswitch Replaced,Recalibr & Tested  + (ML20086F224)
• 05000277/LER-1976-036-01, /01T:on 760428,three Hydraulic Snubbers on Feedwater Sys Found Inoperable.Two Snubbers Failed Because of Rotated Reservoir.Snubbers Repaired or Will Be Repaired  + (ML20086F225)
• 05000277/LER-1976-035-01, /01T:on 760428,two Hydraulic Snubbers on Core Spray Sys Found Inoperable Due to Fluid Reservoirs Rotated to Horizontal Position.Cause Not Determined.Snubbers Being Repaired & Will Be Tested  + (ML20086F226)
• 05000277/LER-1976-034-01, /01T:on 760428,snubber on Reactor Water Cleanup Sys Found Inoperable Due to Empty Reservoir.Caused by Defective Seals & O Rings.Defective Parts Will Be Replaced & Snubber Will Be Tested  + (ML20086F227)
• 05000277/LER-1976-033-01, /01T:on 760428,hydraulic Snubber SS-2-B on Recirculation Pump Sys Found Inoperable Due to Empty Reservoir.Caused by Defective Seals & O Rings.Defective Parts Will Be Replaced & Snubbers Tested  + (ML20086F228)
• ML20086F229  + (ML20086F229)
• 05000277/LER-1976-032-01, /01T:on 760428,two Hydraulic Snubbers on Main Steam Line Ring Header Found Inoperable Due to Empty Reservoirs.Caused by Defective Seals & O Rings.Defective Parts Will Be Replaced & Snubbers Tested  + (ML20086F230)
• 05000277/LER-1976-031-01, /01T:on 760428,11 Hydraulic Snubbers on Main Steam Relief Valve Discharge Lines Found Inoperable.Ten Inoperable Because of Empty Reservoirs & One Because of Rotated Reservoir.Caused by Defective Seals & O Rings  + (ML20086F233)
• 05000277/LER-1976-030-01, /01T:on 760428,two Hydraulic Snubbers on HPCI Sys Found Inoperable Because of Empty Reservoirs.Caused by Defective Seals & O Rings.Defective Parts Will Be Replaced & Snubbers Tested  + (ML20086F235)
• 05000277/LER-1976-029-03, /03L:on 760423,setpoint of Secondary containment- to-torus Vacuum Breaker DPIS-2503B Switch Found to Be 0.011 Psid Above Tech Spec Limit.Caused by Setpoint Drift.Switch Recalibr & Returned to Svc  + (ML20086F237)
• 05000277/LER-1976-028-01, /01T:on 760413,review of RHR Logic Identified Design Deficiency Which Would Result in Starting of Only Two Pumps During LOCA Concurrent W/Loss of Offsite Power. Circuitry Modified & Tested to Verify Proper Operation  + (ML20086F239)
• 05000455/LER-1991-003-11, :on 911026,experienced RCS Leak in Excess of TS Requirements.Caused by Failed Packing Associated w/2RC029C Valve.Packing on Subj Valve Replaced  + (ML20086F241)
• 05000277/LER-1976-027-03, /03L:on 760409,relief Valve Bellows Leak Detector Switch PS-2-2-71L Failed to Trip as Result of Broken Wire Connector to Switch.Connector Replaced  + (ML20086F243)
• 05000277/LER-1976-026-03, /03L:on 760327,torus Vol Found Below Allowable Limit of Tech Spec.Caused by Operator Inadvertently Permitting Level to Drop Below Limit.Vol Restored to Normal  + (ML20086F245)