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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

• 05000339/LER-1983-021-03, /03L-0:on 830302,inservice Insp Visual Exam of Interior of Reactor Vessel Not Performed During First Refueling Outage Per ASME Xi.Caused by Personnel Error. Required Visual Exam Will Be Performed During 830401 Outage  + (09:45:29, 15 December 2024)
• 05000313/LER-1983-015-03, /03L-0:on 830616,while in Hot Shutdown After Reactor Trip,Hpi Control Valve CV-1219 Failed to Open on Demand from Control Room.Cause Not Determined.Operator & Switches Inspected & Switch Settings Checked  + (09:45:31, 15 December 2024)
• 05000237/LER-1983-013, Forwards LER 83-013/03L-0  + (09:45:32, 15 December 2024)
• ML20072N277  + (09:45:32, 15 December 2024)
• ML20072N275  + (09:45:33, 15 December 2024)
• 05000389/LER-1983-027-03, /03L-0:on 830608,during Power Ascension Testing,W/ One High Radiation Containment Isolation Sys Channel in Bypass,Another High Radiation Channel Failed Low.Caused by Bistable Drifting low.W/83707 Ltr  + (09:45:35, 15 December 2024)
• ML20072N270  + (09:45:36, 15 December 2024)
• 05000250/LER-1983-009-03, /03L-0:on 830610,during Operability Test of Auxiliary Feedwater Pump A,Pump Failed to Come Up to Speed & No Flow Delivered.Caused by Failed Differential Pressure Transmitter.Transmitter Replaced  + (09:45:37, 15 December 2024)
• ML20072N264  + (09:45:38, 15 December 2024)
• 05000457/LER-1994-005-08, :on 940802,plant Tripped Due to Low Low Level in 2A Sg.Caused by o-ring in Feedwater Regulating Valve Positioner Failed.Positioner Replaced,Tested & Placed Into Svc  + (09:45:40, 15 December 2024)
• ML20072N261  + (09:45:41, 15 December 2024)
• 05000293/LER-1983-032-99, /99X-0:on 830601,organization Changes Made to Station & Corporate Structures in Tech Spec Section 6.2. Changes Intended to Provide More Direct & Effective Support of Station Operations  + (09:45:42, 15 December 2024)
• 05000254/LER-1983-010-03, /03L-0:on 830224,reactor Bldg & Control Room Ventilation Sys Isolated & Standby Gas Treatment auto-started Due to Apparent Spike in Refuel Floor Radiation Monitors.Caused by Failure of Relay Coil 1705-108  + (09:45:44, 15 December 2024)
• ML20072N257  + (09:45:45, 15 December 2024)
• 05000339/LER-1983-021, Forwards LER 83-021/03L-0  + (09:45:46, 15 December 2024)
• ML20072N250  + (09:45:46, 15 December 2024)
• ML20072N249  + (09:45:47, 15 December 2024)
• 05000370/LER-1983-024-03, /03L-0:on 830526-0610,Fire Detection Zones Efa 179,189,182,81,102,174 & 163 Declared Inoperable Due to Invalid Alarms.Caused by Dirt Accumulation in Firemark 9620 Smoke Detectors  + (09:45:48, 15 December 2024)
• ML20072N247  + (09:45:49, 15 December 2024)
• ML20072N242  + (09:45:50, 15 December 2024)
• ML20072N243  + (09:45:50, 15 December 2024)
• 05000270/LER-1983-004-01, /01T-0:on 830309,valve 2HP-24 of HPSI Failed to Open.Caused by Lack of Lubrication of Valve Stem.Valve Manually Opened & Adjusted  + (09:45:52, 15 December 2024)
• ML20072N227  + (09:45:53, 15 December 2024)
• 05000286/LER-1983-003-03, /03L-0:on 830531,while in Hot Shutdown,Leak Observed at elbow-to-pipe Weld on Charging Pump 31 Relief Line.Leak Located on Line 210 Downstream of Relief Valve RV231.Caused by Vibration  + (09:45:54, 15 December 2024)
• 05000369/LER-1983-037-03, /03L-0:on 830602,main Steam Code Safety Relief Valve ISV-9 Lifted,W/Main Steam Pressure Below Acceptable Lift Setpoint Range,During Reactor Trip Transient.Caused by Setpoint Drift,Probably Due to Vibration  + (09:45:56, 15 December 2024)
• ML20072N220  + (09:45:57, 15 December 2024)

• 05000254/LER-1983-010, Forwards LER 83-010/03L-0  + (09:45:58, 15 December 2024)
• ML20072N215  + (09:45:58, 15 December 2024)

• AECM-83-0192, RO 83-007/0:on 830216,fire Penetration CE-359G Opened to Perform Scheduled Maint.Penetration Restored Upon Completion of Maint Work  + (09:45:59, 15 December 2024)
• ML20072N210  + (09:45:59, 15 December 2024)
• 05000270/LER-1983-004, Forwards LER 83-004/01T-0.Detailed Event Analysis Encl  + (09:46:00, 15 December 2024)
• 05000293/LER-1983-029-01, /01T-0:on 830617,spent Fuel Pool a HX E206-A Supports Found Incapable of Withstanding Seismic Loads. Caused by Deviation from Original Design During Initial Const.Supports Modified  + (09:46:04, 15 December 2024)
• ML20072N201  + (09:46:06, 15 December 2024)
• ML20072N198  + (09:46:06, 15 December 2024)
• 05000324/LER-1983-056-03, /03L-0:on 830605,while Withdrawing Control Rods to Increase Reactor Power Level,Control Rod 26-19 Did Not Have RTGB Position Indication as Required.Caused by Faulty Position Indication Probe  + (09:46:09, 15 December 2024)
• B10835, Interim Significant Deficiency Rept SD-34 Re Interference & Possible Binding of Itt Grinnell Mechanical Snubbers. Initially Reported on 830304.Extension for Submittal of Final Rept Until 830801 Requested  + (09:46:10, 15 December 2024)
• ML20072N192  + (09:46:10, 15 December 2024)
• 05000324/LER-1983-026-03, /03L-0:on 830313,suppression Pool Level Indicator/ Recorder 2-CAC-LR-2602 Showed out-of-spec Low Level While Redundant Level Indicators Showed Normal Level.Caused by out-of-calibr Instrument Transmitter.Device Recalibr  + (09:46:12, 15 December 2024)
• AECM-82-0387, Final Deficiency Rept PRD-82-38 Re Nelson Stud Failures on Embedded Plates.Initially Reported on 821221.Condition Not Reportable Per Part 21 for Unit 2.Failure Unique to Type 86 Plate.Welds Will Be Redesigned  + (09:46:13, 15 December 2024)
• ML20072N181  + (09:46:14, 15 December 2024)
• PMNS20200243, NRC Staff Questions on NEDC-33910P BWRX-300 Reactor Pressure Vessel Isolation and Overpressure Protection  + (09:46:15, 15 December 2024)
• 05000369/LER-1983-038-03, /03L-0:on 830527,narrow-range Levels of Steam Generators Not Verified within 4% of Average Value.On 830605,ice Condenser Monitoring Sys & Applicable Instrument Items Missed.Caused by Personnel Error  + (09:46:17, 15 December 2024)
• ML20072N169  + (09:46:18, 15 December 2024)
• PMNS20200242, NRC Staff Questions on NEDC-33910P BWRX-300 Reactor Pressure Vessel Isolation and Overpressure Protection  + (09:46:19, 15 December 2024)
• 05000327/LER-1983-031-01, /01T-0:on 830311,RPI for Control Rod D-14 of Shutdown Bank a Declared Inoperable Due to False Indication. Caused by Open RPI Circuit Due to Connector Failure & Thermal Expansion.Rpi Connector Replaced  + (09:46:20, 15 December 2024)
• PMNS20200240, NRC Staff Questions on NEDC-33910P BWRX-300 Reactor Pressure Vessel Isolation and Overpressure Protection  + (09:46:24, 15 December 2024)
• ML20072N157  + (09:46:25, 15 December 2024)
• ML20072N154  + (09:46:25, 15 December 2024)
• PMNS20200239, NRC Staff Questions on NEDC-33910P BWRX-300 Reactor Pressure Vessel Isolation and Overpressure Protection  + (09:46:26, 15 December 2024)
• ML20072N144  + (09:46:29, 15 December 2024)
• 05000327/LER-1983-031, Forwards LER 83-031/01T-0  + (09:46:30, 15 December 2024)
• 05000369/LER-1983-011, Forwards LER 83-011/01T-0.Detailed Event Analysis Encl  + (09:46:30, 15 December 2024)