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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.
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- Information Notice 1991-69, Errors in Main Steam Line Break Analyses for Determining Containment Parameters +
- ML18096A341 +
- ML18096A338 +
- ML18057B350 +
- ML18057B348 +
- ML20086Q196 +
- ML20085N325 +
- ML20085M335 +
- ML20079M719 +
- ML20079M702 +
- ML20079M694 +
- ML20079M407 +
- ML20079M256 +
- ML20079L987 +
- ML20079L803 +
- ML20079L746 +
- ML20079L601 +
- ML20079L472 +
- ML20079L273 +
- ML20091F025 +
- ML20261G577 +
- ML20217D065 +
- TAC:M79384 +
- TAC:M82089 +
- BVY-91-109, Responds to NRC Re Violations/Deviations Noted in Safety Insp Rept 50-271/91-23 on 910903-06.Corrective actions:corrected,computer-generator Manifests,Listing Fe-55 Sent to Lab & New Task Matrix Formed +
- 05000374/LER-1991-013-01, :on 911007,loss of Auxiliary Electric Equipment Room Ventilation Supply Due to Overheating of Starting Coil for Breaker.Cause Not Found.Work Request Initiated for Electrical Maintenance Dept to Investigate +
- ML20091F034 +
- ML20091F052 +
- 05000266/LER-1991-013, :on 911003,nuclear Instrumentation Turbine Runback Occurred.Caused by Positive Voltage Spike on Output of Detectors a & B of Channel N44.Detectors Replaced.W/ +
- 05000324/LER-1991-015-02, :on 911002,unplanned ESF Actuation Occurred While Removing Reactor Low Level Instrumentation from Svc. Caused by Lack of Caution in Surveillance Procedure. Procedure Will Be Revised Re Analog Trip Unit +
- 05000348/LER-1991-010, :on 911003,operators Manually Tripped Reactor Due to Unexpected Automatic Closure of Main Turbine Governor Valves.Caused by Degraded Dc Voltage Output.Degraded Power Supply Replaced +
- 05000395/LER-1991-008, :on 911019 Preliminary Results of Sixth Inservice Eddy Current Exam on 911004 Indicated 1% of Tubes Inspected Defective.Caused by Stress Corrosion Cracking in Hot Leg Tubesheet.Tubes Plugged or Repaired +
- 05000374/LER-1991-013-04, :on 911007,breaker for Supply Fan Tripped & Smoke Observed Coming Out of Switchgear 236X Compartment 302B.Caused by Overheating of Relay,Resulting in Mechanical Binding.Relay Replaced +
- 05000440/LER-1991-017, :on 911002,high Pressure Core Spray Pump Declared Inoperable Due to Motor Bearing Oil Reservoir Drain Plug Failure.Caused by Design Deficiency.Drain Plugs Will Be Replaced W/Ball Valve Arrangement +
- 05000313/LER-1991-009-03, :on 911003,discovered That 480-volt Ac ESF Load Ctrs 2B5 & 2B6 Not in Seismically Qualified Configuration & Support Rails Not Secured in Place.Caused by Insufficient Design Review.Rails Removed +
- 05000321/LER-1991-020, :on 911004,area Radiation Monitors (ARM) Tripped Due to Voltage Perturbation in Common Power Supply of Arms.Arm Trip Units Reset & Main Control Room Environ Control Sys Placed in Normal Mode of Operation +
- 05000341/LER-1991-018, :on 911002,discovered Error in TS Amend 75, Resulting in Failure to Complete One of Two Weekly Channel Calibr Requirements for APRM Sys Channels.Caused by Use of Deficient Process.Calibr Performed +
- 05000373/LER-1991-011-05, :on 911002,TS Surveillance Missed During Primary Containment Due to Missed Prerequisite C.6 in Procedure LOP-VQ-11.Procedure LOP-VQ-11 Will Be Revised & Operating Dept Will Be Trained on Event +
- 05000334/LER-1991-028, :on 911002,overpressure Protection Sys Declared Inoperable Due to Inadequate Seismic Qualification.Caused by Incomplete Documentation.Rcs Will Be Vented.Also Reported by Westinghouse Per Part 21 +
- ML20079P919 +
- ML20045G434 +
- ML20045B104 +
- ML20141J726 +
- ML20079P927 +
- ML20079P865 +
- ML20092L288 +
- ML20079P860 +
- ML18036A427 +
- IR 05000400/1991023 +
- 05000250/LER-1991-008, :on 911003,reactor Tripped Manually Due to Loss of Main Turbine Generator Load.Caused by Mechanical Failure of Piping Nipple in Control Oil Sys Due to Pipe Vibration. Nipples Will Be Replaced During Next Outage +