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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
- 05000318/LER-1980-023-03, Steam Generator Isolation Signal Block B Permitted Steam Generator Isolation Signal B to Be Blocked & Loci Sequencer Alarmed.Caused by Voltage Disturbance in Inverter Output + (14:12:07, 26 May 2025)
- RBG-12-860, Final Deficiency Rept DR-53 Re Bf Shaw Rolled Plate Pipe Rejected for Incomplete Documentation & Radiographs. Initially Reported on 820524.Deficiency Determined Not Reportable Per 10CFR50.55(e) + (14:12:37, 26 May 2025)
- ML20072C113 + (14:12:59, 26 May 2025)
- LD-83-051, Summarizes 830425 Meeting W/Nrc Re Natural Circulation Cooldown Analysis for CESSAR-F.Reanalysis to Be Submitted by 830729 + (14:14:19, 26 May 2025)
- ML20072B408 + (14:14:24, 26 May 2025)
- TAC:08089 + (14:15:02, 26 May 2025)
- 05000366/LER-1981-098-03, RHR Svc Water Pumps B & D Found Incapable of Establishing Required Flow.Caused by Damaged Cavitrol V Trim in HX Discharge Valve + (14:15:16, 26 May 2025)
- 05000346/LER-1982-020, Forwards Revised LER 82-020/03X-1 + (14:15:57, 26 May 2025)
- A830006, Identifies Proprietary Portions of Technical Evaluation Repts Re Safety Evaluation for Environ Qualification of safety-related Electrical Equipment,Per NRC + (14:16:09, 26 May 2025)
- TAC:51577 + (14:17:03, 26 May 2025)
- 05000334/LER-1982-012-01, Total of Seven Overstressed Pipe Supports Found Upstream of Main Steam Line Containment Isolation Valves.Caused by Failure to Include Branch Line Loading in Calculations + (14:18:18, 26 May 2025)
- 05000334/LER-1982-012, Forwards Updated LER 82-012/01X-1 + (14:18:27, 26 May 2025)
- 05000334/LER-1981-105-03, /03L-1:on 811223,during Surveillance Test on HY-RT-1B,preheater Discharge Air Temp Failed to Reach Required Temp in Specified Time.Caused by Overpowering of Two Resistors in Temp Control Unit.Resistors Replaced + (14:18:44, 26 May 2025)
- 05000334/LER-1981-105, Forwards LER 81-105/03L-1 + (14:18:49, 26 May 2025)
- ML20071Q202 + (14:19:47, 26 May 2025)
- ML20071Q184 + (14:19:51, 26 May 2025)
- ML20071Q177 + (14:19:53, 26 May 2025)
- 05000368/LER-1982-041-03, /03L-0:on 821124,isolation Valve 2MS-0340 Failed to Close & Steam Leak Discovered in Emergency Feedwater Pump Steam Supply Pressure Transmitter 2PT-0340.Caused by Stripped Threads Due to Overtorquing of Tubing Connector + (14:20:03, 26 May 2025)
- 05000499/LER-1994-007-02, :on 940625,main Transformer Lockout Relay Actuated.Caused by Failure of Capacitor within Pilot Wire Relay.Annunciator Response Procedures Have Been Revised & Faulty Pilot Wire Relay Was Replaced + (14:20:18, 26 May 2025)
- ML20071P947 + (14:20:25, 26 May 2025)
- NRC-94-4215, Forwards Proprietary PXS-T2R-024, Quick Look Rept for SPES-2 Matrix Test S00908 (Blind Test). Rept Withheld (Ref 10CFR2.790) + (14:20:27, 26 May 2025)
- 05000373/LER-1994-010-04, :on 940705,unit 1 Scrammed from Power Level of 601 Mwe & 56.4% Core Thermal Power.Caused by Loss of Feed Flow to RPV.1C34-K653B Circuit Card Was Replaced & non-safety Trip Devices Undergoing Evaluations + (14:20:51, 26 May 2025)
- ML20071P717 + (14:20:58, 26 May 2025)
- NRC-94-4213, Forwards Proprietary PXS-T2R-022, Quick Look Rept for SPES-2 Matrix Test S00605. Rept Withheld (Ref 10CFR2.790) + (14:21:02, 26 May 2025)
- NRC-94-4216, Forwards Proprietary PXS-T2R-025, Quick Look Rept for SPES-2 Matrix Test S01007. Rept Withheld (Ref 10CFR2.790) + (14:21:05, 26 May 2025)
- 05000327/LER-1994-010, :on 940703,determined That STA Position Not Staffed for 30 Min During Power Operations Due to Personnel Error.Appropriate Disciplinary Action Taken W/Involved Individual + (14:21:16, 26 May 2025)
- RBG-40699, Documents Conversation Between NRC Region IV & River Bend Station Personnel on 940727 Re Schdeule for Implementing Certain Aspects of Interim Procedures Upgrade Effort + (14:21:17, 26 May 2025)
- 05000318/LER-1981-018-03, /03L-0:on 810414,short at Motor Connection Box Tripped Charging Pump 22.Caused by Insufficient Insulation of Lead.Facility Change Request Initiated for Std Ref for Low Voltage Application + (14:21:28, 26 May 2025)
- 05000255/LER-1982-032-03, /03L-0:on 820921,during Routine Surveillance, Snubber 39 (GC-8 Shutdown Cooling LPSI Pump Suction) Found W/Insufficient Oil & Declared Inoperable.Caused by Scores in Cylinder Walls Due to Vibrations.Snubber Replaced + (14:21:33, 26 May 2025)
- 05000263/LER-1994-002, :on 940324,determined That Instantaneous Trip of 480 Vac MCCBs Does Not Meet Acceptance Trip Due to Mfg Design.Revised PMP for 480 Vac Molded Case Circuit Breakers + (14:21:42, 26 May 2025)
- ML20071P365 + (14:21:47, 26 May 2025)
- 05000263/LER-1994-002-01, Provides Suppl Rept to LER 94-002-01.Suppl Rept Corrects Error Re Labeling of Axes for Graph of Instantaneous Trip Settings Vs Actual Current to Trip + (14:21:49, 26 May 2025)
- ML20071P353 + (14:21:50, 26 May 2025)
- ML20071P340 + (14:21:52, 26 May 2025)
- 05000334/LER-1982-038-03, /03L-0:on 820925,during Attempt to Secure Turbine Driven Auxiliary Feed pump,TV-MS-105B Failed to Close.Caused by Nut Lodging in TV-MS-105B Valve Body Due to Failed Check Valve MS-20.Nut Removed + (14:21:54, 26 May 2025)
- 05000317/LER-1982-062-03, /03L-0:on 820927,pressurizer Level Deviated from Program Level & Pressurizer Level Controller Found in Local Setpoint Mode.Caused by Operator Error.Procedure Changed + (14:21:55, 26 May 2025)
- 05000346/LER-1982-050-03, /03L-0:on 820921,breaker BE106 Opened,Causing MCCE12A to de-energize.Caused by Momentary Ground Due to Failure of Essential Pressurizer Heater (UB3-2).Maint Work Order 82-2433 Issued + (14:22:04, 26 May 2025)
- 05000321/LER-1983-049-03, /03L-0:on 830505,sanitary Water Supply Valve X42-FO73D Found Open But Not Locked Open.Caused by Personnel Error.Personnel Counseled + (14:22:32, 26 May 2025)
- 05000278/LER-1982-018-03, /03L-0:on 820924,torus Narrow Range Level Recorder Indicated Erratically.Investigation Determined Torus Water Level within Tech Spec.Caused by Const Personnel Knocking Instrument Out of Calibr.Personnel Counseled + (14:22:34, 26 May 2025)
- 05000277/LER-1982-033-03, /03L-0:on 821007,smoke Detector S85 in Torus Room Failed to Calibr to within Specified Limits.Caused by Faulty Smoke Detector,Pyrotronics Model F-5B.Detector Replaced,Unit Calibr & Returned to Svc + (14:22:35, 26 May 2025)
- 05000278/LER-1982-020-03, /03L-0:on 821006,during Surveillance Test,Hpci Room Carbon Dioxide Fire Protection Sys Failed to Inject Automatically.Caused by Dirty Contacts on electro-manual Pilot Control Solenoid Valve.Contacts Cleaned + (14:22:38, 26 May 2025)
- TAC:51432 + (14:22:51, 26 May 2025)
- 05000327/LER-1983-067-01, /01T-0:on 830518,start Bus 1B Failed Due to phase- to-phase Fault.Tech Spec 3.8.1.1 Action Statement a Entered.Diesel Generator Not Operable within 1-h Limit. Caused by Bus Sleeve Insulation Degradation + (14:22:55, 26 May 2025)
- 05000255/LER-1983-033-03, /03L-0:on 830428,D Safety Injection Tank T-82D Sampling Indicated Boron Concentration Below Tech Spec Limit.Caused by Minor Leakage Past Loop Check Valve & SIT Check Valve or Fill & Drain Valve + (14:22:57, 26 May 2025)
- 05000338/LER-1983-028-03, /03L-0:on 830507,inside Containment Recirculation Spray Pump 1-RS-P-1B Tripped During Surveillance Testing. Caused by Faulty B Phase Overcurrent Device in Breaker. Replacement Breaker Installed + (14:22:58, 26 May 2025)
- 05000339/LER-1983-037-03, /03L-0:on 830502,containment Particulate (RM-259) & Gaseous (RM-260) Activity Monitors Found Isolated W/ Containment Purge & Exhaust Sys in Operation.Caused by Failure to Reopen Manual Isolation Valve + (14:23:00, 26 May 2025)
- 05000302/LER-1983-022-01, /01T-0:on 830516,two Pinhole Leaks Found in Piping on Downstream Side of Two Nuclear Svc HX Discharge Isolation Valves.Caused by Insufficient Surveillance & Design Inadequacy on Inner PVC Liner + (14:23:02, 26 May 2025)
- 05000296/LER-1983-028-03, /03L-0:on 830429,while Investigating Blown Fuse in Annunication,Relay 16A-K79 Failed.Caused by Coil Over Heating Melting Spool Matl & Stuck Armature in Energized Position.Relay Replaced + (14:23:06, 26 May 2025)
- 05000366/LER-1983-028-03, /03L-0:on 830420,B Plant Svc Water Isolation Valve 2P41-F316B Failed to auto-close Upon loss-of-sys- Pressure Signal Initiation.Cause Under Investigation + (14:23:08, 26 May 2025)
- 05000255/LER-1983-032-03, /03L-0:on 830429,declaration of Operability Signature Found Incomplete for Maint Order on Fire Barrier Penetration.Caused by Personnel Oversight Re New Maint Order Closeout Procedures + (14:23:12, 26 May 2025)
- 05000237/LER-1983-036-03, /03L-0:on 830502,drywell Floor Drain Leakage Exceeded Tech Spec Limits Due to Bonnet Leakage on Feedwater Check Valve 2-220-58B.Caused by Failed Bonnet Seal Ring.Seal Ring Replaced.Leakage to Be Monitored + (14:23:13, 26 May 2025)