Search by property

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

• IR 05000305/2002006  + (23:25:50, 25 May 2025)
• 05000317/LER-1984-018, :on 841203,MSIV Inoperable.Caused by Oil Leakage from Piston Rod Seal & Damaged Actuator Overall Piston Seals.Seals Replaced  + (23:26:55, 25 May 2025)
• 05000317/LER-1984-019, :on 841212,MSIV Failed to Fully Close During Surveillance Testing.Caused by Faulty Contacts in Control Room Handswitch.Contacts,Restrictor Valves & Solenoid Pilot Valves Replaced  + (23:26:57, 25 May 2025)
• 05000374/LER-1984-085-01, :on 841214,reactor Scram & Turbine Trip Occurred.Caused by Vibration Trip Signal from Loose Circuit Board Connection in Turbine Supervisory Sys.Vibration Card Reinstalled  + (23:26:58, 25 May 2025)
• 05000281/LER-1984-019-02, :on 841211,reactor Trip Occurred.Caused by Low Condenser Vacuum Due to Leak in Moisture Separator Reheater Crossunder Manway Gasket.Manway Temporarily Sealed,Gasket Replaced & Procedure Revised  + (23:27:00, 25 May 2025)
• 05000275/LER-1984-034, :on 841215,diesel Generator Started Automatically.Caused by Personnel Error.Memo Issued Instructing All Operators to Verify New Source Before Opening Original Source Breaker  + (23:27:01, 25 May 2025)
• 05000281/LER-1984-018-02, :on 841211,spurious Reactor Trip Occurred. Caused by 2 of 3 Logic Matrix for High Pressurizer Level Actuating.Addl Administrative Controls for Work on Energized Components Initiated  + (23:27:03, 25 May 2025)
• 05000352/LER-1984-032, :on 841211,reactor Water Cleanup Inboard Suction Valve Closed to Isolation Position Upon Receiving High Ambient Temp Signal.Caused by Personnel Error.Sys Returned to Svc  + (23:27:04, 25 May 2025)
• 05000346/LER-1984-020, :on 841204,inoperable Fire Dampers Found.Caused by Melted Fusible Links,Blades Binding on Frame,Missing Blade,Backward Installation,Dirt & Spring Problems.Fire Watch Established  + (23:27:08, 25 May 2025)
• 05000325/LER-1984-036, :on 841211,12,17,18 & 850101,control Bldg HVAC Sys Manually Isolated Due to High Chlorine Alarms from Chlorination Sys Chlorine Detectors.Caused by Minute Chlorine Gas Leaks & Residual Chlorine  + (23:27:10, 25 May 2025)
• 05000334/LER-1984-016, :on 841027,due to Metal Filings Found in Seismic Sensor,Spare Defective Sensor Used.Defective Sensor Returned to Vendor for Repair But Not Returned to Util within 90 Days.Caused by Personnel Error  + (23:27:13, 25 May 2025)
• 05000237/LER-1984-023-05, :on 841214,torus-to-condenser Drain Valve AO 2-1599-61 Leaked 121 Scfh.Cause Unknown.Valve Repaired & Will Be Leak Rate Tested Prior to Return to Svc  + (23:27:15, 25 May 2025)
• 05000325/LER-1984-035, :on 841211,rod Position Indication Sys Bypass Switch for Control Rod Bypassed to full-in Position.Caused by Personnel Miscommunications.Signs Posted to Reflect Revised Limiting Condition for Operation  + (23:27:17, 25 May 2025)
• 05000271/LER-1984-024, :on 841213,functional Testing of HPCI-torus Water Level Sys Not Performed During Wk of 841001.Caused by Inadvertent Administrative Oversight in Scheduling. Surveillance Procedures Revised  + (23:27:18, 25 May 2025)
• 05000366/LER-1981-096-03, /03X-1:on 810929,HPCI Turbine Exhaust Diaphragm Pressure Switch 2E41-N012D Found Out of Tolerance.Caused by Corroded Switch Mechanisms.Switch Replaced  + (23:28:52, 25 May 2025)
• TAC:54495  + (23:28:58, 25 May 2025)
• L-96-137, Comments on Proposed Rule 10CFR50, Reliability & Availability Info for Risk-Significant Sys & Equipment  + (23:32:05, 25 May 2025)
• TAC:56336  + (23:33:26, 25 May 2025)
• 05000366/LER-1981-093-03, /03X-1:on 811006,while Performing Normal Surveillance,Pressure Switch 2B21-NO15D Found to Actuate at 5 Psig Lower than Tech Spec Limit.Caused by Setpoint Drift. Pressure Switch Recalibr  + (23:33:33, 25 May 2025)
• IR 05000315/1999010  + (23:34:22, 25 May 2025)
• IR 05000313/2001006  + (23:34:42, 25 May 2025)
• ML20112F099  + (23:34:56, 25 May 2025)
• 05000254/LER-1991-003-02, Forwards LER 91-003-02.Containment Atmosphere Monitoring Piping & Mark I Support Installation Work Will Be Completed Prior to Startup from Current Forced Outage Q2F41  + (23:36:24, 25 May 2025)
• TAC:55983  + (23:38:11, 25 May 2025)
• 05000352/LER-1996-006, :on 960207,control Room Emergency Fresh Air Sys Declared Inoperable.Caused by Flow Switch Coordination Deficiency.Flow Switches Adjusted,Station Guidance Revised & Site Staff Training Performed  + (23:39:03, 25 May 2025)

• 05000298/LER-1996-003, :on 960320,single Train RCIC Sys Inoperable Due to Equipment Malfunction.Specific Cause of Failure Could Not Be Determined.Malfunctioning EGM Control Box Was Replaced  + (23:39:13, 25 May 2025)

• 05000321/LER-1981-052-03, /03X-1:on 810621,LPCI Inverter B R44-S003 Tripped, Resulting in Loss of Power to Suction & Discharge Valves & LPCI Injection Valve.Caused by Defective Thermal Temp Switch in Inverter Leg.Switch Replaced  + (23:39:24, 25 May 2025)
• ML20112C340  + (23:39:47, 25 May 2025)
• ML20112C267  + (23:39:54, 25 May 2025)
• ML20112B239  + (23:41:20, 25 May 2025)
• 05000346/LER-1982-008-03, /03X-1:on 820208,mechanical Penetration Room Pressure Gauge PDI-5000 Failed,Rendering Emergency Ventilation Sys Train 1-1 Inoperable.Caused by Ice Buildup on Transmitter Vent Line.Ice Removed  + (23:42:22, 25 May 2025)
• 05000354/LER-1996-015, :on 960410,potential to Operate in Unanalyzed Condition Occurred.Caused by Original Design Calculation Deficiency.Appropriate Maximum UHS Temp Will Be re-evaluated  + (23:43:16, 25 May 2025)
• ML20111B024  + (23:44:59, 25 May 2025)
• RA20-016, Corrected Drawing for One-Line Electrical Power Supply for Containment Vent System Final Integrated Plan  + (23:46:09, 25 May 2025)
• PMNS20200260, NRC Webinar on Indian Point Nuclear Plant Decommissioning  + (23:46:13, 25 May 2025)
• ML20108F052  + (23:47:43, 25 May 2025)
• 05000298/LER-1995-020, :on 951125,found That Drawing Change Process Deficiency Resulted in Noncompliance w/1CFR50 App R.Design Change Process Being Revised & Training Will Be Presented to Appropriate Design Personnel on Process Revs  + (23:48:31, 25 May 2025)
• ML20108E749  + (23:48:35, 25 May 2025)
• ML20108D610  + (23:50:02, 25 May 2025)
• A002561, NPDES Permit PA0025615,issued to Duquesne Light Co  + (23:50:55, 25 May 2025)
• 05000362/LER-1996-001, :on 960304,voltage Signal Actuation Loss Due to Inadvertent Relay Trip.Enhanced Turbine Startup Sequence by Slowing (from 2.5 Seconds to 8 Seconds) Operation of Trip/ Throttle Valve  + (23:51:03, 25 May 2025)
• 05000368/LER-1981-014-03, /03X-1:on 810328,operator Insp Found Excessive Packing Leakage from Emergency Feedwater Pump & Water in Bearing Lubricating Oil.Caused by Excessive Shaft Packing Leakages During Pump Idle Time  + (23:51:23, 25 May 2025)
• 05000368/LER-1981-013-03, /03X-1:on 810304,RCS Cold Leg Temp Indicator Discovered to Be Reading High.Caused by Defective Servo Motor.Motor Replaced.Indicator Calibr  + (23:51:26, 25 May 2025)
• 05000293/LER-1996-003, :on 960403,RCICS Made Inoperable Due to Anomalies Noted During Testing.Caused by Malfunctioning Speed Control Sys Hydraulic Actuator (EG-R).EG-R Replaced & Rcics Declared Operable on 960405  + (23:52:00, 25 May 2025)
• TAC:53458  + (23:54:05, 25 May 2025)
• 05000369/LER-1996-001, :on 960203,manual Reactor Tripped When 1A RCP Upper Thrust Bearing Reached Administrative Limit of 195 Degrees.Caused by Unknown Equipment Failure.Associated Sys & Components Evaluated/Tested.Unit Returned to Svc on 960205  + (23:54:42, 25 May 2025)
• 05000368/LER-1979-047-04, /04X-1:on 790627,condenser Vacuum Pump Radiation Monitors 2RE0645 & 2RE0646 Inoperable for More than Seven Days.Caused by Moisture Buildup Due to Condensation.Heat Tracing Installed to Minimize Buildup  + (23:55:18, 25 May 2025)
• 05000368/LER-1982-006-03, /03X-2:on 820212,17,0319 & 29,containment Isolation Valve 2CV-2061-2 for Reactor Bldg Sump Drain Failed to Close.Caused by Failing Actuator.Actuator Reassembled & Air Supply Line Relocated  + (23:55:40, 25 May 2025)
• 05000400/LER-1996-002, :on 960117,failure to Perform Required Surveillance Testing During Planned Maint Outage in Oct 1994 Identified.Caused by Personnel Error.Personnel Involved in Procedure Counseled  + (23:55:42, 25 May 2025)
• TAC:53266  + (23:57:26, 25 May 2025)
• 05000311/LER-1984-024, :on 841004,reactor Tripped Due to Turbine Generator Trip on Differential Relay Protection.Caused by phase-to-ground Fault on Stator Coils B-40 & B-41.Generator Replaced.Investigation Continuing  + (23:58:08, 25 May 2025)