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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
- 05000366/LER-1982-085-03, RHR Svc Water Pumps a & C Declared Inoperable as Result of Failure to Meet Min Flow Requirements.Caused by Broken & Bent Tubes on Cavitrol Trim. Insp Procedure Initiated + (13:48:07, 26 May 2025)
- ML20072L591 + (13:49:36, 26 May 2025)
- EPID:L-2019-LLA-0194 + (13:49:37, 26 May 2025)
- 05000289/LER-1978-008-01, /01T-0:on 780202,once-through Steam Generator Feedwater Nozzles Flooded During Operation Below 5% Full Power.Caused by Incorrect Procedure Due to Operating Inexperience.Shutdown & Cooldown Procedures Revised + (13:50:38, 26 May 2025)
- 05000289/LER-1978-008, Forwards LER 78-008/01T-0 + (13:50:41, 26 May 2025)
- TAC:51907 + (13:51:40, 26 May 2025)
- TAC:49705 + (13:51:51, 26 May 2025)
- 05000361/LER-1983-055-03, /03L-0:on 830523,oxygen Concentration in Waste Gas Holdup Sys Exceeded Tech Spec Limit.Caused by Air Inleakage Into Waste Gas Sample Suction Line.Gas Compressor & Recirculation Sys Will Be Repaired + (13:52:03, 26 May 2025)
- ML20072K211 + (13:52:12, 26 May 2025)
- ML20072K173 + (13:52:18, 26 May 2025)
- ML20072K159 + (13:52:19, 26 May 2025)
- ML20072K150 + (13:52:21, 26 May 2025)
- ML20072K148 + (13:52:23, 26 May 2025)
- ML20072K088 + (13:52:26, 26 May 2025)
- 05000334/LER-1983-017-03, /03L-0:on 830528,following Reactor Trip,One Source Range Nuclear Detector Observed Not Indicating & Other Source Range Began Spiking High.Both Declared Inoperable. Cause Not Determined.Both Detectors Replaced + (13:52:40, 26 May 2025)
- 05000318/LER-1983-030-03, /03L-0:on 830516,pressurizer Pressure Decreased to 2,185 Psia & Pressurizer Level Decreased to 128 Inches. Caused by Closed Hydraulic Dampener Bypass Valves on Turbine Bypass Control Valves.Valves Opened + (13:52:41, 26 May 2025)
- 05000271/LER-1983-015-01, Rept Received from Yankee Atomic Electric Co Re Error in Design & Use of Spacing Table for Copper Piping in Svc Water Sys.Caused by Failure to Follow ANSI B31.1 + (13:52:44, 26 May 2025)
- 05000318/LER-1983-027-03, /03L-0:on 830522,power-dependent Insertion Limit (Pdil) for Group 5 Rods Found Inoperable,Rendering Control Element Assembly Motion Inhibit Inoperable.Caused by Failure of Pdil Auctioneering Card Semiconductor + (13:52:50, 26 May 2025)
- ML20072J928 + (13:52:52, 26 May 2025)
- ML20072J919 + (13:52:56, 26 May 2025)
- 05000387/LER-1983-075-01, /01P-0:on 830515,interactions of Chlorine Detector in Control Room Emergency Outside Air Supply Sys Noted Following Loss of Power.Procedure Changes Instituted to Provide Operators W/Appropriate Corrective Actions + (13:53:03, 26 May 2025)
- RS-90-203, Circulating Water Sys Availability Analysis River Bend Nuclear Station + (13:53:07, 26 May 2025)
- ML20072J905 + (13:53:08, 26 May 2025)
- 05000387/LER-1983-083-03, /03L-0:on 830520,during Review of Draft Procedures,Alarm Check Required by Tech Spec Not Included in Chemistry Surveillance Procedures.Change Made to Surveillance Procedures to Include Alarm Check + (13:53:11, 26 May 2025)
- 05000370/LER-1983-021-03, /03L-0:on 830521,while in Mode 2,control Room Steam Generator D Wide Range Level Recorder Indication Incorrect.Caused by Tube Fitting Leak on Level Transmitter high-pressure Sensor Line.Fitting Replaced + (13:53:21, 26 May 2025)
- 05000260/LER-1983-028-03, /03L-0:on 830526,during Normal Operation,Hpci Sys Declared Inoperable Due to Blown Inverter Fuse.Fuse Replaced.Hpci Turbine Control Valve Failed to Open Due to Misadjusted Rod.Rod Adjusted + (13:53:24, 26 May 2025)
- 05000219/LER-1994-012, :on 940724,while Performing EMRV Pressure Sensor surveillance,as-found Trip Setpoints for High Pressure Relief Function on Two EMRVs Exceeded TS Limit Due to Instrument Drift.Pressure Switches Adjusted + (13:53:25, 26 May 2025)
- ML20072J756 + (13:53:27, 26 May 2025)
- ML20072J746 + (13:53:29, 26 May 2025)
- 05000259/LER-1983-026-03, /03L-0:on 830525,containment Atmosphere Dilution Tank B Level Transmitter LT-84-13A Indicated Above Tech Spec Limit.Caused by Transmitter Zero Drift.Transmitter Recalibr + (13:53:32, 26 May 2025)
- 05000325/LER-1983-020-03, /03L-0:on 830524,intermediate Range Monitor a Indicated Instrument Upscale.Caused by Moisture Accumulation in Monitor Detector Cable Undervessel Connector.Connector Replaced + (13:53:34, 26 May 2025)
- 05000281/LER-1983-027-03, /03L-0:on 830523,PT-27C Revealed That Amp Reading for Heat Tracing Panel 8,circuit 22A Below Tech Spec Limit. Caused by Excessive Heat.Heat Tracing Replaced.Design Change initiated.W/830620 + (13:53:37, 26 May 2025)
- 05000369/LER-1983-036-03, /03L-0:on 830524 & 26,listed Functional Test Procedures Failed to Satisfy Monthly Setpoint Requirements. Caused by Failure to Identify & Incorporate Changes Into Procedures.Setpoints Verified + (13:53:39, 26 May 2025)
- 05000395/LER-1983-052-03, /03L-0:on 830528,main Control Board Indication for Steam Generator B Steam Pressure Failed High.Caused by Broken Wires on Transmitter PT-486 Strain Gage Assembly. Assembly replaced.PT-486 Calibr + (13:53:41, 26 May 2025)
- 05000370/LER-1983-023-03, /03L-0:on 830524,upper Head Injection Surge Tank Low Pressure Alarm Received.Bulk Nitrogen Not Immediately Available & Pressure Fell Below Limit.Caused by Leakage of Gas Relief Valve on Nitrogen Accumulator + (13:53:44, 26 May 2025)
- 05000267/LER-1983-018-03, /03L-0:on 830517,w/reactor Shutdown,All Outside Power Lost Due to High Winds & Snow.Emergency Diesel Generator Load Shedding & Sequencing Relays Failed to Operate.Caused by Coil Failures.Relays Tested + (13:53:46, 26 May 2025)
- ML20072J671 + (13:53:48, 26 May 2025)
- 05000260/LER-1983-029-03, /03L-0:on 830528,during Normal Operation,Drywell Radiation Monitor RE-90-256 Sample Pump Tripped.Caused by Blown Fuse.Fuse Replaced & Drywell Air Sampling Sys Returned to Svc + (13:53:51, 26 May 2025)
- 05000277/LER-1994-005-02, :on 940722,actual Torus Water Level Less than That Indicated on Narrow Range Instrumentation.Initial Ref Marking Used to Support Calibr Activities Not Correct + (13:53:57, 26 May 2025)
- 05000395/LER-1983-049-03, /03L-0:on 830606,svc Water Booster Pump a Discharge Check valve,XVC-3135A-SW Declared Inoperable Due to Failure to Close on Reverse Flow.Caused by Worn Linkage. Hinge & Key Replaced & Valve Disk Lapped + (13:53:58, 26 May 2025)
- 05000389/LER-1983-014-03, /03L-0:on 830522,main Feed Water Isolation Valve B Drifted Open Twice.Caused by Thermal Relief Orifice Installed in Hydraulic Line to Top of Actuator.Thermal Relief Orifice in Hydraulic Sys Plugged + (13:54:00, 26 May 2025)
- 05000259/LER-1983-027-03, /03L-0:on 830526,discovered That Surveillance Instruction 4.8.3.4-3 for Reactor Bldg Vent Monitoring Sys Calibr Not Performed within Required Interval.Caused by Personnel Error.Calibr Performed + (13:54:02, 26 May 2025)
- 05000317/LER-1994-007, :on 940719,unit 1 Tripped from 100% Power Due to RPS Actuation.Failed Servo Amplifier Demodulator Indicator Board in Turbine EHC Cabinet Replaced & Component Level Checks Performed + (13:54:04, 26 May 2025)
- 05000370/LER-1983-020-03, /03L-0:on 830519,shutdown Rod Bank a Group 1 & Control Rod Banks a & C Group 1 Failed to Move on Command. Caused by Malfunction in Input/Output Ac Amplifier Card A805 Due to Transistor Failure.Card Replaced + (13:54:09, 26 May 2025)
- 05000267/LER-1983-019-01, /01T-0:on 830606,discovered That Reactor Operated Between 5% Power & Shutdown W/O Operable Analytical Moisture Monitors on 830603.Caused by Accidental Isolation of Sample Paths to Monitors + (13:54:15, 26 May 2025)
- ML20072J426 + (13:54:17, 26 May 2025)
- ML20072J398 + (13:54:21, 26 May 2025)
- 05000259/LER-1983-009-01, Design Review of Emergency Diesel Generator Engine Coolers Showed Coolers May Not Be Able to Maintain Cooling Water Below Hot Setpoint. Caused by Design Error.Setpoint Raised + (13:54:32, 26 May 2025)
- 05000395/LER-1983-053-03, /03L-0:on 830528,reactor Vessel Upper Plenun Level Indicator ILI-1320 on Main Control Board Removed from Svc Due to High Reading.Caused by Instrument Drift.Programmable Function Generator Recalibr + (13:54:37, 26 May 2025)
- 05000254/LER-1983-023-03, /03L-0:on 830522,electromatic Relief Valve Opened for No Obvious Reason at Aprrox 60 Psig.Caused by Electromatic Relief Pilot Valve Assembly Stuck in Open Position.Pilot Valve Replaced + (13:54:39, 26 May 2025)
- 05000389/LER-1983-016-03, /03L-0:on 830527,during Preoperational Testing,Two of Three Charging Pumps Inoperable for Approx 15 H.Caused by Sealwater Sys Gasket Leak & Charging Pump Relief Valve Failure.Pumps Repaired & Retested + (13:54:43, 26 May 2025)