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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
- 05000282/LER-1979-009-01, /01T-0 on 790412:notified by Vendor That Small Break in Pressurizer Indicator Lp May Hang Up While Pp Decreases,Delaying Safety Injection.Westinghouse Recommends Manually Initiating Safety Injection Implements +
- 05000282/LER-1979-009, Forwards LER 79-009/01T-0 +
- 05000321/LER-1979-073-03, /03L-0:on 790827,water Supply for Control Room Charcoal Filter Fire Protection Deluge Sys Did Not Meet Seismic & Redundancy Requirements.Caused by Low Plant Svc Water Pressure Leading to Trips & Leakage +
- 05000245/LER-1979-036-03, /03L-0:on 791219,during Shutdown Following Reactor Scram,Water hammer-type Movement Detected in Isolation Condenser Piping.Caused by Introduction of Water Into Isolation Condenser Steam Supply Line.Instructions Revised +
- 05000325/LER-1979-111-03, /03L-0:on 791225,during Normal Operation, Discovered That Containment Atmosphere Monitors 1261 & 1262 Had Failed Downscale.Caused by Condensation in Detector Cabinets.Detectors Were Repaired & Cabinets Dried Out +
- 05000325/LER-1979-111, Forwards LER 79-111/03L-0 +
- 05000318/LER-1979-049-03, /03L-0:on 791221,during Steady State Operation, Channel B Thermocouple Taken Out of Svc Due to Erratic Indication.Caused by Broken Lead on Current Loop Resistor, Vishay Model S-106C.All Loop Connections Checked Quarterly +
- 05000312/LER-1979-022, Forwards LER 79-022/01T-0 +
- 05000245/LER-1979-036, Forwards LER 79-036/03L-0 +
- 05000325/LER-1979-115-03, /03L-0:on 791224,during Normal Operation, Containment Atmospheric Monitor Failed Downscale.Caused by Grounding of Power Supply by Bare Input Power Cable.Cable Was Repaired & Recorder Returned to Svc +
- 05000321/LER-1979-102-03, /03L-0:on 791226,during Shutdown & While Performing Normal Surveillance,Hpci Steam Line Differential Pressure Switch Found at 241 Inches of Water.Caused by Instrument Drift.Instrument Recalibr +
- 05000318/LER-1979-049, Forwards LER 79-049/03L-0 +
- 05000312/LER-1979-022-01, /01T-0:on 791217,Allis Chalmers Informed Util of Potential Problem W/Purge Valves & Recommended Limiting Valve Opening to Max of 60 Degrees Because Excess of 60 Degrees Could Cause Shaft Torsional Rating to Be Extended +
- 05000325/LER-1979-115, Forwards LER 79-115/03L-0 +
- 05000321/LER-1979-102, Forwards LER 79-102/03L-0 +
- 05000277/LER-1979-054-03, /03L-0:on 791213,four Channel B Logic Steam Line Temp Monitors Were Indicating Low.Caused by Power Supply Inability to Provide Sufficient Output Voltage.Power Supply Replaced & Monitors Returned to Svc After Testing +
- 05000346/LER-1979-090-03, /03L-0:on 790827,main Stream Line to Auxiliary Feed Pump Turbine 1-2 Steam Isolation Valve MS-107 Failed to Operate Properly.Caused by Surface Corrosion & Wear on Valve Seat.Torque Switch Setting Increased from 2.0 to 2.5 +
- 05000277/LER-1979-038-03, /03L-0:on 790812,while at Power,Torus High Vacuum Alarm Sounded.Caused by Clogged Needle Valve Which Bleeds Air to Close Valve A0-2502A.Manual Operation of Needle Valve Relieved Clogging.Bleed Rate Adjusted +
- 05000259/LER-1979-016, Forwards LER 79-016/03L-0 +
- 05000366/LER-1979-106, Forwards LER 79-106/03L-0 +
- 05000366/LER-1979-106-03, /03L-0:on 790919,several Operational Cycle & Other Surveillances Were Overdue.Caused by Misinterpretation of Tech Specs Re Starting Time for Surveillances.Exemption Requested & Granted +
- 05000259/LER-1979-016-03, /03L-0:on 790804,during Normal Operation,Starter Bus 1B Normal Feeder Breaker Found Discharged,Making Breaker Inoperable for Closure.Caused by Damaged Breaker Spring Charging Motor Commutator.Motor Replaced +
- 05000366/LER-1979-084-03, /03L-0 on 790729:during Maint,Hpci Pump Suction Low Pressure Switch 2E41-N010 Found Inoperative.Caused by Ruptured Instrument Diaphragm.Instrument Replaced & Switch Tested Satisfactorily +
- 05000366/LER-1979-089-03, /03L-0 on 790718:battery Pilot Cell Surveillance Not Performed on 790712 Per Tech Specs.Caused by Personnel Oversight.Satisfactory Cell Surveillance Performed on 790718 & Personnel Informed of Surveillance Schedule +
- 05000312/LER-1979-008-03, /03L-0:on 790719,while Performing Monthly Pump Surveillance on B Decay Heat Removal Pump,Leakage in Excess of 0.63 Gallons/Minute Allowable Per Tech Spec 4.5.3.1 Observed at Pump Seal.Seal Replaced & Sys Adequately Tested +
- 05000366/LER-1979-091, Forwards LER 79-091/03L-0 +
- 05000285/LER-1979-017, Forwards LER 79-017/03L-0 +
- 05000366/LER-1979-079-03, /03L-0 on 790718:reactor Feedwater Flow Transmitters Were Incorrectly Calibrated,Resulting in Errors in Reactor Power Calculations.Caused by Use of Unrevised Procedures.Procedures & Data Sheets Reviewed & Corrected +
- 05000366/LER-1979-084, Forwards LER 79-084/03L-0 +
- 05000366/LER-1979-079, Forwards LER 79-079/03L-0 +
- 05000366/LER-1979-089, Forwards LER 79-089/03L-0 +
- 05000312/LER-1979-008, Forwards LER 79-008/03L-0 +
- 05000285/LER-1979-017-03, /03L-0 on 790724:during Normal Operation,D Channel Wide Range Nuclear Instrumentation Failed W/Complete Loss of Power.Caused by Blown Main Power Fuses.Fuses Replaced & Instrumentation Placed in Svc +
- 05000366/LER-1979-091-03, /03L-0 on 790727:on 17 Occasions from 790103-0723,procedures Were Released W/O Obtaining Plant Manager Approval within 14 Days.Caused by Inadequate Tracking Method.Methods Will Be Revised +
- 05000293/LER-1979-054-03, /03X-0:on 790807,w/incoming Power unavailable,24 Kv Shutdown Transformer Tripped Off Line Via Undervoltage Relay Trip Operation.Caused by Blown Fuse & Relay Trip +
- 05000293/LER-1979-053-04, /04X-0:on 790710 & 0807,temp Rise of Condenser Cooling Water Between Intake Structure & Discharge to Bay Exceeded 32 F.Caused by Seasonally High Ambient Water Temp. No Significant Adverse Effects to Marine Life +
- 05000312/LER-1979-024-03, /03L-0:on 791217,during Normal Operation,Hpi Pump B Taken Out of Svc.On 800109,discovered That Cooling Water Supply Valves Were Isolated.Caused by Removal of HPI Pump B from Svc.Pump B Returned to Svc & Placed on Standby +
- 05000293/LER-1979-052-03, /03X-0:on 790705,fire Detector Alarm,Initiating from HPCI Turbine Compartment,Annunciated on Panel C114 in Control Room.No Fire Existed.Caused by Moisture in HPCI Area from Steam Leak +
- 05000366/LER-1979-137, Forwards LER 79-137/03L-0 +
- 05000278/LER-1979-040-03, /03L-0:on 791206,during Routine Testing,Core C Spray Pump Discharge Pressure Switch PS3-14-44C Found to Be 9.0 Psig Above Tech Spec Limits.Caused by Setpoint Drift. Switch Was Recalibr,Tested & Returned to Svc +
- 05000278/LER-1979-041-03, /03L-0:on 791210,while Shut Down for Maint, Feedwater Flush Valve MO3-2-38A Failed to Close During ST 1.3.1.Caused by Improper Operation of Limit Switch.Switch Cleaned & Adjusted +
- 05000366/LER-1979-137-03, /03L-0:on 791224,during HNP-2-1050 Surveillance Checks,Drywell & Torus Temp Recorder Found Printing Erratic Temps.Caused by Cold Solder Joint on Transistor Lead Making Pen Respond Erratically.Transister Pins Resoldered to Ca +
- 05000312/LER-1979-024, Forwards LER 79-024/03L-0 +
- 05000361/LER-1979-135, Forwards LER 79-135/03L-0 +
- 05000325/LER-1979-100-03, /03L-0:on 791228,while Performing Visual Insp of Inaccessible Snubbers,Two Standby Gas Treatment Sys Snubbers & One Discharge from Safety Relief Valve Snubber Were Found Inoperable.Caused by Extended Shafts & Valve Body Dama +
- 05000325/LER-1979-100, Forwards LER 79-100/03L-0 +
- 05000263/LER-1979-022, Forwards LER 79-022/03L-0 +
- 05000348/LER-1979-065-03, /03L-0:on 791122,main Steam Isolation Valve 3370C Failed to Close When Hand Switch Was Placed in Closed Position.Caused by Faulty Mcb Hand Switch.Switch Replaced & Tested & Valve Returned to Svc +
- 05000325/LER-1979-109, Forwards LER 79-109/03L-0 +
- 05000366/LER-1979-133-03, /03L-0:on 791211,during Normal Operation,Hpci Sys Isolated.Caused by Cold Weather & Sys Design Due to Vent Air Inlet/Outlet Temp Difference.Plant Operator Turned on HPCI Room Equipment Coolers & Sys Returned to Normal +