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

• 05000263/LER-1984-011, :on 840218 & 23,crack Indications Detected on Loop Jet Pump B Instrument Seal & on Loops a & B of RHR LPCI Lines.Caused by Intergranular Stress Corrosion Cracking.Affected Matls Replaced  + (06:29:30, 26 May 2025)
• L-95-015, Comment Supporting Proposed Rule 10CFR52 Re ABWR Design & Sys 80+ Design  + (06:30:02, 26 May 2025)
• TXX-9512, 1994 Annual Environ Operating Rept (Nonradiological). W/  + (06:30:15, 26 May 2025)
• 05000266/LER-1995-006, :on 950714,reactor Tripped Due to Loss of Generator Excitation as Result of Accumulation of Condensation.Unit 1 Generator Exciter Inspected & Repaired & Flow of CW to Unit 1 Exciter Cooler Reduced  + (06:30:24, 26 May 2025)
• L-95-014, TER on First 10-Yr Interval ISI Program Plan:Tuec,Cpses, Unit 2  + (06:30:33, 26 May 2025)
• 05000498/LER-1995-004, :on 950328,failed to Meet Requirements of TS Due to Not Testing Contact of Load Sequencer Relay.Assembled Surveillance Credit Package for All Trains of Engineered Safety Features Diesel loss-of-offsite-power Surveillances  + (06:30:43, 26 May 2025)
• 05000458/LER-1993-002, :on 930212,TS SR Not Properly Implemented in Logic Sys Functional Tests.Caused by Less than Adequate Reviews During Procedure Development Stage.Established Procedural Requirements  + (06:30:45, 26 May 2025)
• RA20-014, Cycle 19 and Cycle 18 Core Operating Limits Reports  + (06:31:41, 26 May 2025)
• 05000361/LER-1984-009, :on 840214,analysis of Startup Test Data Established Calculated Thermal Power Calculated by Core Protection Calculators May Become Decalibr Relative to Secondary Calorimetric Power.Procedure Changed  + (06:31:48, 26 May 2025)
• NRC-95-4418, Forwards Nonproprietary & Proprietary Versions of Advance Copy of Rev 3 to Simplified Passive Alwr Plant Program AP600 Pra  + (06:33:48, 26 May 2025)
• ST-HL-AE-3900, Special Rept:On 910913,output Breaker CS06 for Standby DG 23 Would Not Close on Demand from Control Room.Nonlicensed Operator Dispatched to Investigate Cause of Event.Caused by Inadequate Work Practices.Personnel Counseled  + (06:34:59, 26 May 2025)
• L-95-019, Forwards Rev 12 to Security Plan Section 7.Encl Withheld  + (06:35:29, 26 May 2025)
• ML20087E732  + (06:36:17, 26 May 2025)
• ML20087E397  + (06:36:42, 26 May 2025)
• ML20087E384  + (06:36:43, 26 May 2025)
• ML20087D697  + (06:37:44, 26 May 2025)
• 05000318/LER-1981-030-03, Discovered Temp Transmitter 122HB Out of Tolerance in Nonconservative Direction.Caused Two Oscillators Producing Noise on Transmitter Output.Transmitter Replaced  + (06:37:57, 26 May 2025)
• 05000321/LER-1995-006, :on 950711,HPCI Was Inoperable Due to Bound Steam Supply Isolation Valve.Installed Spacer Ring in Packing Gland,Replaced Valve Stem,Repaired Valve Bonnet & Returned HPCI Sys to Svc  + (06:38:05, 26 May 2025)
• 05000317/LER-1981-032-03, Reactor Protective Sys Channel D Hi Power Thermal Margin/Low Pressure & Axial Shape Index Trip Units Bypassed for Maint.Caused by Oscillator Noise in Transmitter  + (06:39:46, 26 May 2025)
• ML20087C947  + (06:39:52, 26 May 2025)
• ML20087C705  + (06:40:28, 26 May 2025)
• 05000302/LER-1995-012, :on 950707,determined That CR-3 May Have Operated Outside Licensing Basis.Caused by Design Error.Mod Approval Record Initiated to Install Isolation Contacts in Control Circuits  + (06:40:36, 26 May 2025)
• ML20087C642  + (06:40:38, 26 May 2025)
• ML20087C596  + (06:40:44, 26 May 2025)
• ML20087C582  + (06:40:45, 26 May 2025)

• 05000265/LER-1995-003-09, :on 950629,SDC Was Not Available Due to Mo 2-1001-29A Tripping Circuit Breaker & Mo 2-1001-5B Valve Was Out of Svc.Modified Procedures to Ensure That Isolations to Valves Mo 1001-29A/B Properly Reset  + (06:40:51, 26 May 2025)

• 05000298/LER-1991-020, :on 911210,drywell Vent Radiation Monitor Gaseous Detector Mounting Bolt Threaded Engagement Failed & Leak Rate Exceeded TS Requirements.Caused by Degraded Shield Chamber.Bolt Holes Retapped  + (06:40:56, 26 May 2025)
• ML20087C443  + (06:41:11, 26 May 2025)
• ML20087C422  + (06:41:13, 26 May 2025)
• 05000325/LER-1984-001-01, :on 840119,during Attempt to Initiate Suppression Pool Cooling Using Loop a of RHR Svc Water Sys, Loop Pumps a & C Tripped on Low Suction Pressure Lockout. Caused by Air in Header.Air Vented  + (06:41:18, 26 May 2025)
• 05000361/LER-1995-012, :on 950707,Unit 2 Containment Air Lock Door Seal Test Did Not Meet Literal TS Requirements Due to Typo in Ts.Revised Containment Air Lock Seal Test Procedure to Ensure Compliance W/Literal Wording of TS for Both Units  + (06:41:25, 26 May 2025)
• ML20087C345  + (06:41:27, 26 May 2025)
• ML20087C338  + (06:41:29, 26 May 2025)
• 05000389/LER-1984-004-01, :on 840209,while at 100% Power,Main Feedwater Pump Tripped Due to Low Suction Pressure.Cause Not Determined.Auxiliary Feedwater Pump 2C Tripped Due to Transients on Power Supply.Nut Pin Replaced  + (06:41:30, 26 May 2025)
• ML20087C315  + (06:41:35, 26 May 2025)
• 05000368/LER-1984-003, :on 840130,unit Tripped on Low Steam Generator Pressure W/Concurrent Main Steam Isolation Sys Actuation. Caused by Leaking Boric Acid Addition Flow Control Valve 2CV-4926.Valve Repaired  + (06:41:38, 26 May 2025)
• ML20087C279  + (06:41:43, 26 May 2025)
• 05000483/LER-1991-008-01, :on 911210,review of Sp OSP-GP-00001,revealed That RHR Pump a Suction Header Vent Valve Had Not Been Verified as Locked Prior to 890314 Due to Incorrect Lock Valve List.Surveillance Procedures Revised  + (06:41:46, 26 May 2025)
• 05000281/LER-1975-010-01, /01T:on 750624,svc Water Pump 2-SW-P-4B Developed Seal Leak.Caused by Electrical Short in Motor Operator.Pump Leak & Motor Operator Repaired  + (06:41:50, 26 May 2025)
• 05000281/LER-1975-011-01, /01T:on 750630,4 Kv Undervoltage Protection Inoperable.Caused by Blown Fuse.Fuses Replaced  + (06:41:55, 26 May 2025)
• 05000281/LER-1975-012-01, /01T:on 750706:main Steam Line Trip Valve in Steam Line B Closed,Causing Closure of Trip Valves a & C & Reactor Trip.Caused by Faulty Piston O-ring.O-ring Replaced & Air Lines Cleared of Debris  + (06:41:59, 26 May 2025)
• 05000281/LER-1975-013-01, /01T:on 750720,channel of Change Protection Found Not Conservative.Caused by Failure of Cold Leg Low Level Amplifier.Amplifier Replaced & Channel Calibr  + (06:42:06, 26 May 2025)
• 05000280/LER-1975-014-01, /01T:on 750801,boron Concentration in Accumulator 1C Approx 1,850 Ppm.Caused by Inleakage Through Loop Check Valve.Primary Sys Pressure Increased to Seat Check Valves. Accumulator Drained  + (06:42:09, 26 May 2025)
• 05000280/LER-1975-015-01, /01T:on 750803,leaking Fitting on Overhead Gas Compressor B Resulted in Unplanned Release of Radioactive Matl from Site.Caused by Loose Fitting.Leaking Fitting Repaired  + (06:42:12, 26 May 2025)
• 05000280/LER-1975-017-01, /01T:on 750915,one Channel of Redundant Heat Tracing Failed.Caused by Breaker Trip on Overload Due to Short Circuit by Svc Water Leak.Leak Secured & Transformer Repaired  + (06:42:14, 26 May 2025)
• 05000280/LER-1975-018-01, /01T:on 750924,loop a Instrumentation Drifted Low. Caused by High Moisture Content in Containment Atmosphere. RTD Will Be Repaired or Replaced  + (06:42:24, 26 May 2025)
• 05000280/LER-1975-019-01, /01T:on 750925,loop B Temperature Change Instrumentation Drifted Low.Caused by Moisture Content of Containment Atmosphere.Spare RTD Placed in Svc & Shutdown Terminated  + (06:42:26, 26 May 2025)
• 05000280/LER-1975-022-01, /01T:on 750927,test of Main Steam Safety Valve Setpoint Indicated Four Valves Not within Plus or Minus 1% of Setpoint.Caused by Setpoint Drift.Valves Adjusted & Retested  + (06:42:28, 26 May 2025)
• 05000281/LER-1975-017-01, /01T:on 751003,loop C Leg RTD Failed Low,Causing Protection Signals to Fail Low.Caused by Incorrect Ohmic Characteristic of Connected RTD & Spare.Failed Instruments Replaced  + (06:42:32, 26 May 2025)
• 05000281/LER-1975-018-01, /01T:on 751009,steam Generator Level Transmitter Isolation Valve Body Bonnet Leak Wetted Down RPI Cabling, Causing Grounds & Erratic Indication for 24 Different Rods. Caused by Water Spray  + (06:42:33, 26 May 2025)
• 05000280/LER-1975-023-01, /01T:on 751013,channels P-1-455,P-1-456 & P-1-457 Found Indicating High by 26.4 psi,42.0 Psi & 29.4 Psi, Respectively.Caused by Overranging of Zero Spring in Prior Calibr.Procedure Revised  + (06:42:35, 26 May 2025)