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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

• 05000220/LER-1980-030-04, /04T-0:on 801204,discovered That Lower Limit of Detection for Radiological Fish Analysis Was Not within Ets. Caused by Conversion Factor.Tech Spec Changes Proposed to Update Parameter  + (06:25:22, 7 January 2025)
• ML18037A315  + (06:25:23, 7 January 2025)
• 05000220/LER-1980-031-01, /01T-0:on 801216,feedwater Flow Control Valve Pneumatic Positioner Unit II Vented Excessive Amount of Air. Caused by Cracked & Worn Rubber Goods.Rubber Goods Replaced & Retested  + (06:25:24, 7 January 2025)
• 05000220/LER-1980-028-04, /04T-0:on 801215,results of 801103,26 & 1201 Milk Sample Tests Showed Detectable I-131 at Three Locations. Caused by Chinese Nuclear Weapons Test During Oct.Plant Not Accountable for Detected Levels  + (06:25:26, 7 January 2025)
• 05000220/LER-1980-027-03, /03L-0:on 801126,operability Tests Were Not Immediately Performed as Required.Caused by Misunderstanding of Intent of Procedure.Testing Performed  + (06:25:28, 7 January 2025)
• ML18037A311  + (06:25:30, 7 January 2025)
• ML18037A310  + (06:25:33, 7 January 2025)
• 05000220/LER-1980-025-03, /03L-0:on 801028,stack Gas Monitoring Sys Rendered Inoperable When Inadvertently Left in Purge Operation Mode for 9.5-h.Caused by Technician Failing to Return Sys to Normal Operation.Monitor Returned to Operation  + (06:25:34, 7 January 2025)
• ML18037A308  + (06:25:36, 7 January 2025)
• 05000220/LER-1980-026-01, /01T-0:on 801118,input Error Discovered Which Resulted in Reduction in Calculated Pressure Margin to Reactor Safety Valve Setpoints During Possible Transients  + (06:25:37, 7 January 2025)
• ML18037A306  + (06:25:38, 7 January 2025)
• 05000220/LER-1980-018-03, /03L-0:on 800808,during Normal Operation, Emergency Diesel Generator 103 Fuel Oil Day Tank Low Level Alarm Was Received.Caused by Inadvertent Opening of Day Tank Drain Valve.Tank Refilled.Oil Valve Sys Locked  + (06:25:39, 7 January 2025)
• ML18037A304  + (06:25:40, 7 January 2025)
• ML18037A302  + (06:25:41, 7 January 2025)
• 05000220/LER-1980-024-03, /03L-0:on 800930,during Audit,Discovered That Point Valve Was Not Recorded on 790721 Instrument Surveillance Test for Drywell High Pressure Trip Sys.Caused by Personnel oversight.Two-level Review Instituted  + (06:25:43, 7 January 2025)
• 05000220/LER-1980-022-03, /03L-0:on 800927,low Power Range Monitor Detector Failed Rendering Average Power Range Monitor 18 Inoperable. Caused by Internal Shorting.Low Power Range Monitor Will Be Replaced During Next Refueling  + (06:25:44, 7 January 2025)
• 05000220/LER-1980-023-03, /03L-0:on 800922,111 Absolute Filter Access Cover Was Found Off Housing.Caused by Residual Pressure in Containment Nitrogen Inerting Line Pressurizing Filter Housing When Torus Venting Initiated.Cover Reinstalled  + (06:25:46, 7 January 2025)
• ML18037A294  + (06:25:47, 7 January 2025)
• ML18037A293  + (06:25:48, 7 January 2025)
• ML18037A292  + (06:25:49, 7 January 2025)
• 05000220/LER-1980-020-03, /03L-0:on 800830,while Experiencing Electrical Storm During Normal Operation,Loss of Meteorological Data Transmission to Control Room Instruments Occurred.Caused by Transceiver Failure.Transceiver Repaired & Returned to Svc  + (06:25:50, 7 January 2025)
• ML18037A290  + (06:25:51, 7 January 2025)
• 05000220/LER-1980-019-04, /04T-0:on 800827,during NRC Insp at Normal Operation,Discovered Removable Bottom Door Seals of Outer Door of Reactor Bldg Track Bay Were Not Installed Properly. Caused by Personnel Error  + (06:25:53, 7 January 2025)
• 05000220/LER-1980-019, Forwards LER 80-019/04T-0  + (06:25:54, 7 January 2025)
• 05000220/LER-1980-015-04, /04L-0:on 800804,during Steady State Operation, Offgas Monitoring Sys Inadvertently Placed in Purge Mode of Operation.Caused by Technician Error.Sys Returned to Normal Operating Mode,Restoring Sys Operability  + (06:25:56, 7 January 2025)

• ML18037A282  + (06:25:57, 7 January 2025)

• 05000220/LER-1980-014-03, /03L-0:on 800717,during start-up Performance for IE Bulletin 80-17 Auto Scram Test,Operability Test Attempted on Valve During Shutdown Period.Valve Failed to Open Upon Manual Initiation.Valve Removed & Disassembled  + (06:25:58, 7 January 2025)
• ML18037A280  + (06:25:59, 7 January 2025)
• ML18037A279  + (06:26:00, 7 January 2025)
• 05000220/LER-1980-012-03, /03L-0:on 800419,during Surveillance Testing of Turbine Anticipatory Trip Bypass,Rx Scram Switch 02-13A Was Operating Outside Setpoint.Caused by Instrument Drift.Switch Readjusted & Will Be Tested Monthly  + (06:26:01, 7 January 2025)
• 05000220/LER-1980-011-04, /04L-0:on 800623,recorder Review Showed Condenser Inlet/Circulating Water Discharge Delta Temp Had Exceeded Tech Spec Limit on 800620-23.Station Load Reduced,Recorder Scale Expanded & Tech Spec Change Initiated  + (06:26:03, 7 January 2025)
• ML18037A275  + (06:26:04, 7 January 2025)
• ML18037A274  + (06:26:04, 7 January 2025)
• ML18037A272  + (06:26:05, 7 January 2025)
• ML18037A271  + (06:26:05, 7 January 2025)
• ML18037A269  + (06:26:06, 7 January 2025)
• ML18037A264  + (06:26:07, 7 January 2025)
• 05000220/LER-1980-009-03, /03L-0:on 800521,during Steady State Operation, Attempts to Stroke 122 Containment Spray Isolation Valve Failed.Caused by Isolation Valve Solenoids Being Dirty. Revising Procedures to Require Periodic Maint for Valve  + (06:26:09, 7 January 2025)
• 05000220/LER-1980-010-03, /03L-0:on 800528,while Performing Valve Checks, Operator Discovered Cardox Tank Pressure Below Tech Spec Limits.Caused by Delivery of Too Low Temp Carbon Dioxide by Supplier.Low Pressure Alarm Connected  + (06:26:10, 7 January 2025)
• ML18037A261  + (06:26:11, 7 January 2025)
• ML18037A258  + (06:26:12, 7 January 2025)
• ML18037A260  + (06:26:12, 7 January 2025)
• ML18037A257  + (06:26:13, 7 January 2025)
• ML18037A256  + (06:26:14, 7 January 2025)
• ML18037A252  + (06:26:15, 7 January 2025)
• ML18037A253  + (06:26:15, 7 January 2025)
• ML18037A249  + (06:26:16, 7 January 2025)
• ML18037A248  + (06:26:17, 7 January 2025)
• ML18037A247  + (06:26:18, 7 January 2025)
• 05000220/LER-1980-008-03, /03L-0:on 800315,during Steady State Operation, Alarm in Control Room Signaled Loss of Flow to Stack Gas Sampling Sys.Caused by Stack Sample Flow Inlet Valve Failing Closed,Due to Arcing Relay Contacts  + (06:26:19, 7 January 2025)
• 05000220/LER-1980-007-03, /03L-0:on 800303,while Shutdown for Maint,Attempts to Close Both Air Operated Outside Main Steam Isolation Valves Failed.Caused by Rust Buildup in Pilot Shuttle.New Instrument Air Sys Is Being Installed  + (06:26:21, 7 January 2025)