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- "JAFP-17-0030"
- "remote shutdown"
- (. Boyce
- (. Holzman
- (. Savoy
- (Adm) Steven Savoy
- (Ogc) Steven Savoy
- (Res) Tom Boyce
- (Schwartzman) Jennifer Holzman
- ( Boyce
- ( Holzman
- ( Savoy
- 000Green/FIN-FINDING
- 000Green/FIN-NCV
- 000Green/FIN-VIOLATION
- 05000000/LER-1950-237
- 05000000/LER-1950-237, Updated LER 50-237/01L:on 760406,unacceptable Ultrasonic Indication Found on Isolation Condenser safe-end.Caused by Cracks in safe-ends.Cracked safe-end Removed & Sent to Bmcl for Metallographic Analysis
- 05000000/LER-1950-266-75
- 05000000/LER-1950-266-75, /75-18:on 751217,during Cycle 3-4 Refueling, Discovered Section of Fuel Rod Missing.Caused by Water Impingement Through Baffle Plate While Failed Assembly in Cycle 2 Position H-1.Investigation in Progress
- 05000000/LER-1950-266-76
- 05000000/LER-1950-266-76, /76-12:on 761222,wall Cladding Defects Noted in One Rod of Fuel Assembly G07.Caused by Rod Vibrating Against Rod Retaining Grid Springs.Peening of Core Baffle Plate Joints,Completed in Nov 1976,should Prevent Recurrence
- 05000000/LER-1975-004
- 05000000/LER-1975-004, :on 750112 & 13,analysis of Reactor Bldg Vent Process Radiation Monitoring Sys Revealed Release of Radioactive Effluents Exceeding Tech Spec Limit by 55%. Caused by High Iodine Activity in Reactor Coolant
- 05000000/LER-1975-004, Forwards LER 75-004-00.Conclusions of Investigation Will Be Submitted in 10-day Rept
- 05000000/LER-1975-005
- 05000000/LER-1975-005, :on 750127,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters Revealed Release Rates of Halogens & Particulates w/half-lives Greater than 8 Days, Exceeding Tech Spec Limits by 24%
- 05000000/LER-1975-014
- 05000000/LER-1975-014, :on 750519,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters for Wk of 750513-20 Revealed Release Rates of Halogens & Particulates Exceeding Tech Spec Limits by 23%
- 05000000/LER-1976-010-03
- 05000000/LER-1976-010-03, /03L:on 760723,during Start Testing of Emergency Diesel Generator 1,water Detected in Cylinder 7.Caused by Crack in Cylinder Head.Engine Repaired by Replacing Cylinder Head & Head Gasket
- 05000000/LER-1976-014
- 05000000/LER-1976-014, Circulator 1B Tripped on Loss of Bearing Water Due to Apparent Decrease of Bearing Water Cavity Differential Pressure.Cause Unidentified
- 05000000/LER-1976-014-03
- 05000000/LER-1976-014-03, /3L:on 760907,high Vibration at Tube Tension Assembly Detected on 13 of 16 Svc Water Pumps.Caused by Loose Bolts & Galvanic Corrosion at Column Pipe Flanges. Pumps Replaced
- 05000000/LER-1976-018-03
- 05000000/LER-1976-018-03, /03L-0:on 760522,snubber 4439 RHR Sys to Fuel Pool Sys Cross Tie Line Found to Have Empty Oil Reservoir Due to Leaking Reservoir Shaft Seal.Caused by Equipment Failure.Snubber Internals replaced.W/760621 Forwarding Ltr
- 05000000/LER-1977-005
- 05000000/LER-1977-005, Updated LER 77-005/1T:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculation Techniques
- 05000000/LER-1977-005-01
- 05000000/LER-1977-005-01, /1P:on 770114,failure of High Pressure Svc Water/Emergency Svc Water & Emergency Cooling Water Pumps to Meet FSAR Seismic Requirements Noted.Caused by Change in Calculational Techniques.Bolts/Restraints to Be Added
- 05000000/LER-1977-012
- 05000000/LER-1977-012, :on 770620,during Investigation of Cycle 5 Max Critical Power Ratio Limits,Ge Found That Pump Trip Delay Time Assumed in Original Cycle 5 Transient Analysis Not Appropriate.Amend Request Will Be Submitted
- 05000000/LER-1977-020-03
- 05000000/LER-1977-020-03, /03L:on 770404,RCS Leakage Determined to Be Greater than 10 Gpm.Caused by Packing Leakage Past Stems on RTD Bypass Throttle Valves 13RC20 & 14RC20.Valves Placed on Backseat & Stem Leakage Decreased
- 05000000/LER-1977-038-03
- 05000000/LER-1977-038-03, /03L:on 770519,RCS Leakage Determined to Be Greater than 10 Gpm from Stem Leakoff on Manual Isolation Valves 1PS24 & 1PS28 for Pressurizer Spray Valves.Caused by Packing Leakage.Valves Will Be Repacked at Next Outage
- 05000000/LER-1977-040
- 05000000/LER-1977-040, Forwards LER 77-040/01T
- 05000000/LER-1977-040-01
- 05000000/LER-1977-040-01, /01T:on 771213,two Hydrogen Detonations Occurred in Offgas Sys & Stack Base,Resulting in Momentary Radioactive Release & Injury to One Employee.Initial Detonation Caused by Arc Strike on Instrument Tubing
- 05000000/LER-1977-043
- 05000000/LER-1977-043, Forwards LER 77-043/03L-0.Detailed Event Analysis Encl
- 05000000/LER-1977-043-03
- 05000000/LER-1977-043-03, /03L-0:on 771219,stack Gas Monitor Sample Probes & Mounting Beam Discovered Damaged.Caused by 771213 Stack Base Hydrogen Detonation.Monitor Probes & Support Beam Replaced & Sys Operation Restored on 771223
- 05000000/LER-1982-023-03
- 05000000/LER-1982-023-03, /03L-0:on 821121,containment Pressure Sensing Line Found Capped.Caused by Personnel Error.Units Will Be Labeled
- 05000000/LER-1982-026-03
- 05000000/LER-1982-026-03, /03L-0:on 821115,turbine Driven Auxiliary Feedwater Pump 11 Failed to Deliver Full Flow of 200 Gpm to Steam Generators.Caused by Unscrewed Governor Valve.Valve Seat Reinstalled & Staked in Position
- 05000000/LER-1982-094-03
- 05000000/LER-1982-094-03, /03L-0:on 820815,reactor Coolant Hot Leg Sample Trip Valves TV-SS-106A & B Failed to Close After Chemists Completed Taking RCS Sample.Cause Not Determined.Manual Isolation Valve 1-SS-116 Closed
- 05000000/LER-1982-152-03
- 05000000/LER-1982-152-03, /03L-0:on 821121,condenser Evacuation Sys Radiation Monitor Declared Inoperable Due to Loss of Process Flow.Caused by Faulty Velocity Probe Associated W/Monitor.Probe Replaced & Monitor Returned to Svc
- 05000000/LER-1983-001-01
- 05000000/LER-1983-001-01, /01T-0:on 830204,Exxon ECCS Analysis Error Discovered.Caused by Input Error Into Codes
- 05000000/LER-1983-002-01
- 05000000/LER-1983-002-01, /01T-0:on 830405,spent Fuel Assembly X-13 Dropped Back Into Rack from Fully Lifted Position.Caused by Cable Stress Due to Limit Switch Failure.Insp for Cladding Damage Will Be Conducted
- 05000000/LER-1983-002-03
- 05000000/LER-1983-002-03, /03L-0:on 830307,safety-related Shock Suppressor Safety Injection Sys 134 Removed to Accommodate Maint on Control Element Drive Mechanism & Not Replaced within 72 H After Core Reloading Begun.Snubber Replaced
- 05000000/LER-1983-007-03
- 05000000/LER-1983-007-03, /03L-0:on 830330,steam Line Radiation Monitors Discovered Inoperable.Monitors Repaired & Surveillance Procedure Revised to Include Daily Check
- 05000000/LER-1983-008-03
- 05000000/LER-1983-008-03, /03L-0:on 830410,right Hand Stop Valve Failed. Caused by Separation of Valve Disc from Clapper Arm Disc. Valve Repaired & Will Be Replaced at Next Refueling Outage. Left Hand Stop Valve Also Inspected
- 05000000/LER-1983-011-03
- 05000000/LER-1983-011-03, /03L-0:on 830510,diesel Generator D2 Tripped. Caused by Drift in Dryer Pressure Switch Model 1822.1. Switch Recalibr
- 05000000/LER-1983-034-03
- 05000000/LER-1983-034-03, /03L-0:on 830419,Fire Door S71-18,between Emergency Diesel Room 2H & Turbine Bldg,Would Not Latch. Caused by Latch Sticking.Latch Lubricated
- 05000000/LER-1984-002
- 05000000/LER-1984-002, :Since 840107,several Instances of Reactor Protection Sys Bus Breaker Trips Resulted in Loss of Shutdown Cooling.Trip on 840119 Caused by Failure of Circuit Board
- 05000000/LER-1984-010
- 05000000/LER-1984-010, :on 840210,reactor Protection Sys Motor Generator Set Output Breaker B Tripped While Transferring Power from Alternate Supply.Caused by Voltage Transient. Design Change Being Considered
- 05000000/LER-1985-035
- 05000000/LER-1985-035, Forwards LER 85-035-00 Re Physical Security Event
- 05000000/LER-1985-035, Partially Withheld LER 85-035-00:on 850531,moderate Loss of Physical Security Effectiveness Discovered.No Unauthorized or Undetected Access to Protected Area Occurred.Contractor Security Guard Dismissed & Training Session Plann
- 05000000/LER-1985-078
- 05000000/LER-1985-078, Forwards Revised LER 85-078-01 Re Physical Security Event
- 05000000/LER-1985-078-01
- 05000000/LER-1985-078-01, Forwards Revised LER 85-078-01 Re Physical Security Event
- 05000000/LER-1985-078-01, Partially Withheld LER 85-078-01:on 851104,determined That Uncompensated Moderate Loss of Physical Security Effectiveness Could Have Occurred.Security Task Force Established
- 05000000/LER-1985-083
- 05000000/LER-1985-083, Forwards LER 85-083-01.Rept Contains Safeguards Info
- 05000000/LER-1985-083, Partially Withheld LER 85-083-00:on 851213 & 16,determined That Certain Vital Barrier Penetrations Did Not Contain Required Personnel Restraint Features.Caused by Personnel Error.Efforts of Security Task Force Reprioritized
- 05000000/LER-1985-083-01
- 05000000/LER-1985-083-01, Forwards LER 85-083-01.Rept Contains Safeguards Info
- 05000000/LER-1985-083-01, Partially Withheld LER 85-083-01:on 851213,16 & 861001, Determined That Certain Vital Barrier Penetrations Did Not Contain Adequate Personnel Restraint Features.Caused by Personnel Error.Security Measures Reprioritized
- 05000000/LER-1986-001
- 05000000/LER-1986-001, Partially Deleted LER 86-001-00:on 860105,loss of Dynamic Reporting of Vital Door Activity Occurred.Cause & Corrective Action Completely Deleted
- 05000000/LER-1986-002
- 05000000/LER-1986-002, Partially Deleted LER 86-002-00:on 860117,loss of Alarm Surveillance on Doors Occurred.Caused by Erroneously Listing Officer as Being Posted on Door 398.Processing of Rev to Physical Security Plan Initiated
- 05000000/LER-1986-003
- 05000000/LER-1986-003, Partially Deleted LER 86-003-00:on 860125,loss of Dynamic Reporting of Vital Area Door Activity Occurred.Caused by Equipment Malfunction.Corrective Action Withheld
- 05000000/LER-1986-004
- 05000000/LER-1986-004, Partially Deleted LER 86-004-00:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Caused by Malfunction.Computer Svcs Personnel Will Monitor Sys for Indicators as to Cause
- 05000000/LER-1986-004, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause
- 05000000/LER-1986-004-01
- 05000000/LER-1986-004-01, Partially Deleted LER 86-004-01:on 860204,loss of Dynamic Reporting of Alarm Surveillance Occurred.Cause Withheld. Computer Svcs Personnel Will Continue to Monitor Sys for Indicators of Cause
- 05000000/LER-1986-005-03
- 05000000/LER-1986-005-03, Informs of Planned Site Visit to Obtain Info Supporting Implementation of Emergency Response Data Sys,Including Availability of PWR or BWR Parameters in Digital Form & Characterization of Available Data Feed Points
- 05000000/LER-1986-006
- 05000000/LER-1986-006, :on 860220,control Room Ventilation Isolation Signal Manually Initiated Per Tech Spec 3.3.3.1 Due to Inoperability of Control Room Intake Radiation Monitor. Caused by Improper Placement Following Maint
- 05000000/LER-1986-007
- 05000000/LER-1986-007, Partially Deleted LER 86-007-00:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable During Heavy Rain.Situation Will Be Evaluated for Addl Action
- 05000000/LER-1986-007, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected
- 05000000/LER-1986-007-01
- 05000000/LER-1986-007-01, Partially Deleted LER 86-007-01:on 860218,loss of Alarm Surveillance Occurred.Caused by Water Leaking Into Cable Due to Heavy Rain.Cable Dried,Leak Repaired & Design Corrected
- 05000000/LER-1986-008
- 05000000/LER-1986-008, Forwards LER 86-008-00
- 05000000/LER-1986-008-01
- 05000000/LER-1986-008-01, :on 860414,not All Required Valves Listed in Valve Position Verification Surveillances.Caused by Difference of Opinion Re Valves.Discrepancies Corrected
- 05000000/LER-1986-008-02
- 05000000/LER-1986-008-02, :on 860917,equipment Hatch Discovered Open.Fire Watch Not Posted as Required by Tech Spec 3.7.11.a.Caused by Personnel Error.Roving Fire Watch Established & Personnel Counseled
- 05000000/LER-1986-009
- 05000000/LER-1986-009, Ro:On 860312,discovered That LER 2-86-04 & LER 86-009 Not Submitted to Nrc.Caused by Misplaced Repts.Repts Telecopied to Nrc.Procedure for Distribution of Repts Revised
- 05000000/LER-1986-011
- 05000000/LER-1986-011, Partially Deleted LER 86-011-00:on 860410,vital Area Intrusion Alarm Failure Occurred.Cause of Event Deleted. Alarm & Door Tested Satisfactorily
- 05000000/LER-1986-012
- 05000000/LER-1986-012, Partially Deleted LER 86-012-00:on 860412,breach Discovered in Protected Area Barrier.Caused by Personnel Error. Personnel Counseled
- 05000000/LER-1986-013
- 05000000/LER-1986-013, Partially Deleted LER 86-013-00:on 860414,vital Area Door W/O Alarm Capability Discovered.Caused by Personnel Error. Personnel Removed from Shift & Vital Area Checked for Unauthorized Personnel W/None Being Found
- 05000000/LER-1986-014
- 05000000/LER-1986-014, Partially Deleted LER 86-014-00:on 860421,bomb Threat Received by Security Officer in Security Assembly Room. Cause Not Applicable.Actions Taken to Minimize Station Threat & Investigation Underway
- 05000000/LER-1986-015
- 05000000/LER-1986-015, FOIA Request for Encls to Util Re Inservice Insp Performed at Byron Unit 1 from 870217-0514,transmittal of LER-86-015 in Response to IE Bulletin 85-003 for San Onofre Units 1 & 2
- 05000000/LER-1986-015, Partially Deleted LER 86-015-00:on 860428,stationary Side of Door Failed to Alarm When Tested.Cause Withheld.Alarm Repaired
- 05000000/LER-1986-016
- 05000000/LER-1986-016, Partially Deleted LER 86-016-00:on 860501,vital Area Door Discovered W/O Alarm Capabilities.Caused by Access Control Security Officer Asleep at Post.Determination to Suspend or Discontinue Employment Being Made
- 05000000/LER-1986-017
- 05000000/LER-1986-017, :on 860821,containment Smoke Detector Sys 1A-22 Declared Inoperable Due to Spurious Alarm Which Would Not Clear.Caused by Faulty Smoke Detector.Further Investigation & Repair Will Be Performed During Next Outage
- 05000000/LER-1986-018
- 05000000/LER-1986-018, Forwards LER 86-018-00
- 05000000/LER-1986-018-02
- 05000000/LER-1986-018-02, :on 860214,feedwater Isolation Due to hi-hi Level in Steam Generator a Occurred.Operating Procedures Revised to Include Caution Warning of Possible Feedwater Isolation When Opening MSIV
- 05000000/LER-1986-020
- 05000000/LER-1986-020, Partially Deleted LER 86-020-00:on 860812,security Sys Experienced Loss of Power.Caused Withheld.Numerous Failures Experienced Until Machine a Designated as Prime.Procedures to Reboot Computers Revised
- 05000000/LER-1986-020-07
- 05000000/LER-1986-020-07, :on 860505,both Automatic & Manual Safeguards Actuation Capability Defeated.Caused by Equipment Operator Removing Wrong Fuses.Discipliary Action Taken Against Individual & Procedure to Be Improved
- 05000000/LER-1986-021
- 05000000/LER-1986-021, Partially Deleted LER 86-021-00:on 860911,vital Area Doors Failed to Alarm When Tested During Surveillance.Caused by Failure to Report Door Transactions to Host Computer.Central Procesing Unit Board Replaced
- 05000000/LER-1986-022
- 05000000/LER-1986-022, Partially Deleted LER 86-022-00:on 861018,determined That Vital Area Door Card Reader Would Grant Unauthorized Access to Area.Caused by Technician Incorrectly Programming Card Reader.Card Reader Replaced & Tested
- 05000000/LER-1986-022, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation
- 05000000/LER-1986-022-01
- 05000000/LER-1986-022-01, Partially Deleted LER 86-022-01:on 861018,determined That Card Reader at Vital Area Door Would Grant Unauthorized Access.Caused by Technicial Incorrectly Programming Card Readers.Card Reader Replaced & Tested
- 05000000/LER-1986-022-02
- 05000000/LER-1986-022-02, Partially Deleted LER 86-022-02:on 861018,potential Undetected Access Into Vital Area Discovered.Caused by Use of Incorrect Procedure.Card Reader Replaced & Tested to Ensure Proper Operation
- 05000000/LER-1986-023
- 05000000/LER-1986-023, Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under Investigation
- 05000000/LER-1986-023-01
- 05000000/LER-1986-023-01, Partially Deleted LER 86-023-01:on 861023,unauthorized Access Into Vital Area Door Discovered.Caused by Card Reader Malfunction.Malfunctioning Card Reader Replaced.Cause Still Under Investigation
- 05000000/LER-1986-024
- 05000000/LER-1986-024, Partially Deleted LER 86-024-00:on 861113,attempted Introduction of Unauthorized Weapon Into Protected Area Discovered.Caused by Personnel Attempt to Enter Plant W/ Concealed Gun.Personnel Denied Facility Access
- 05000000/LER-1986-026
- 05000000/LER-1986-026, Advises That Two Addl Events Discovered Re Issues Identified in 861129 Inerting Event at Dresden Unit 2.LER 86-026-00 & LER 86-039-00 Re Events Encl.Guidance Re Application of Tech Spec Section 3.0.A & 3.0.3 Under Development.W
- 05000000/LER-1986-026, Partially Deleted LER 86-026-00:on 861124,vital Area Door Discovered W/O Alarm Capability.Caused by Personnel Error. Secutiry Officer in Question Terminated & Function of Administrative Sergeant Reviewed
- 05000000/LER-1986-030
- 05000000/LER-1986-030, Partially Deleted LER 86-030-00:on 861211,unauthorized Opening Into Protected Area Discovered.Caused by Area Not Properly Identified as Area for Security Concern.Signs Posted
- 05000000/LER-1986-031
- 05000000/LER-1986-031, Forwards LER 86-031-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21)
- 05000000/LER-1986-038-02
- 05000000/LER-1986-038-02, :on 861209,reactor Scram Occurred Due to Low Condenser Vacuum.Caused by Personnel Error.Discussions W/Operating Personnel Involved Will Be Held.Procedure Qgp 1-1 to Be Revised
- 05000000/LER-1986-045
- 05000000/LER-1986-045, Forwards LER 86-045-00 Re Physical Security Event.Rept Withheld (Ref 10CFR73.21)
- 05000000/LER-1986-049
- 05000000/LER-1986-049, Forwards LER 86-049-00 Re Physical Security Event.Encl Withheld (Ref 10CFR73.21)
- 05000000/LER-1986-052
- 05000000/LER-1986-052, Partially Withheld LER 86-052-01:on 860926,security Data Mgt Sys Computer Terminals Became Inoperable (Ref 10CFR73.21). Caused by Overload of Alarms & Sys Instability.Sys Restored by Placing Sys Multiplexers Online
- 05000000/LER-1986-052-01
- 05000000/LER-1986-052-01, Partially Withheld LER 86-052-01:on 860926,security Data Mgt Sys Computer Terminals Became Inoperable (Ref 10CFR73.21). Caused by Overload of Alarms & Sys Instability.Sys Restored by Placing Sys Multiplexers Online
- 05000000/LER-1986-054
- 05000000/LER-1986-054, Forwards LER 86-054-00 Re Physical Security Event.Ler Withheld (Ref 10CFR73.21)
- 05000000/LER-1986-055
- 05000000/LER-1986-055, Forwards LER 86-055-00 Re Physical Security Event.Withheld (Ref 10CFR73.21)
- 05000002
- 05000003
- 05000003/LER-2008-001
- 05000003/LER-2008-001, Attempted Introduction of Contraband Into the Plant Protected Area Due to Personnel Error
- 05000005
- 05000006
- 05000010
- 05000010/FIN-2012012-01
- 05000010/LER-1977-040
- 05000010/LER-1977-040, Forwards LER 77-040/03L-0
- 05000010/LER-1977-040-03
- 05000010/LER-1977-040-03, /03L-0:on 771017,Channel 1 (RIC-281) Found to Trip at 132%.Caused by Instrument Drift.Trip Setpoint Readjusted to 115%.High Neutron Flux Monitor Testing Will Continue Monthly Per Dis 700-4,verifying Operability
- 05000010/LER-1977-041
- 05000010/LER-1977-041, Forwards LER 77-041/03L-0
- 05000010/LER-1977-041-03
- 05000010/LER-1977-041-03, /03L-0:on 771023,water Leaked to C Holdup Tank & Ground During Normal U-1 Radwaste Operation.Caused by Scratched Valve V3 & V45 Seats & Worn Manhead Gasket.Valve Seats Lapped,Manhead Gasket Replaced & Hatch Tightened
- 05000010/LER-1977-042
- 05000010/LER-1977-042, Forwards LER 77-042/03L-0
- 05000010/LER-1977-042-03
- 05000010/LER-1977-042-03, /03L-0:on 771031,scram Discharge Level Switch LS 264 Failed to Operate on Intial Quarterly Surveillance Dis 300-1 Test,But Did Operate on Subsequent Tests.Cause Not Determined.Safety Sys a Tripped & LS 264 Retested
- 05000010/LER-1978-007
- 05000010/LER-1978-007, Cancelled
- 05000010/LER-1978-009
- 05000010/LER-1978-009, Cancelled
- 05000010/LER-1978-025
- 05000010/LER-1978-025, Cancelled
- 05000010/LER-1978-028
- 05000010/LER-1978-028, Forwards LER 78-028/03L-0
- 05000010/LER-1978-028-03
- 05000010/LER-1978-028-03, /03L-0:on 780815,weekly Reactor Protection Sys Functional Operability Test Postponed But Not Rescheduled. Caused by Personnel Error.Personnel re-instructed Re Importance of Scheduled Surveillances.(Encl to 7809260056)
- 05000010/LER-1978-033
- 05000010/LER-1978-033, Cancelled
- 05000010/LER-1979-001
- 05000010/LER-1979-001, Forwards LER 79-001/03L-0
- 05000010/LER-1979-001-03
- 05000010/LER-1979-001-03, /03L-0 on 790518:while Digging Ditch for New Pipe, Const Personnel Observed Water Running Into Trench from Proximity of Radwaste return-to-storage Line.Caused by Return Line to 1A Storage Leaking from Aluminum Line
- 05000010/LER-1979-002
- 05000010/LER-1979-002, Forwards LER 79-002/03L-0
- 05000010/LER-1979-002-03
- 05000010/LER-1979-002-03, /03L-0 on 780825:during Monthly Surveillance DI5 5400-2,offgas Monitor 1 Tripped at Greater than 100%, Which Is Not within Setpoint Limit.Caused by Instrument Drift.Setpoint Recalibr
- 05000010/LER-1980-001
- 05000010/LER-1980-001, Forwards LER 80-001/03L-0
- 05000010/LER-1980-001-03
- 05000010/LER-1980-001-03, /03L-0:on 800303,capacity in Unit 1 Fire Pump Found to Be in Need of Updating in Order to Be Equal to Unit 2/3 Fire Pump.Commitment Made to NRC to Increase Capacity.New Fire Pump Will Be Installed
- 05000010/LER-1980-002
- 05000010/LER-1980-002, Forwards LER 80-002/01T-0
- 05000010/LER-1980-002-01
- 05000010/LER-1980-002-01, /01T-0:on 800405,while in Shutdown Mode W/Fuel Removed,Contaminated Demineralized Water Was Being Heated & Added to Primary Sys.Tube Leaks in Heat Exchanger Were Found Leaking Water Into River.Caused by Unloader Tube Failure
- 05000010/LER-1980-003-02
- 05000010/LER-1980-003-02, Has Been Cancelled
- 05000010/LER-1980-004
- 05000010/LER-1980-004, Forwards LER 80-004/03L-0
- 05000010/LER-1980-004-03
- 05000010/LER-1980-004-03, /03L-0:on 800724,during Outage,While Processing Water in Holdup tank,98-h Elapsed W/O Sampling.Caused by Personnel Failure to Follow Procedure for Sampling Radwaste Storage Tanks.Personnel Reinstructed
- 05000010/LER-1981-001
- 05000010/LER-1981-001, Forwards LER 81-001/03X-1
- 05000010/LER-1981-001-03
- 05000010/LER-1981-001-03, /03X-1:on 801210,radwaste Storage Tank Sampling Frequency Failed to Meet Tech Spec Requirements.Caused by Personnel Failure to Follow Procedures.Personnel Reinstructed
- 05000010/LER-1981-003
- 05000010/LER-1981-003, Forwards LER 81-003/03L-0
- 05000010/LER-1995-001
- 05000010/LER-1995-001, Provides Addl Info Re Commitments in LER 95-01 to Submit Amend Request.Ts Amend Request Will Be Submitted No Later than 961127
- 05000010/LER-1997-001
- 05000010/LER-1997-001, Forwards LER 97-001-00.Commitments Made by Util,Listed
- 05000010/LER-1997-001-06
- 05000010/LER-1997-001-06, :on 970210,120 Volt Circuit Breaker Supplying Alternate Iodine & Particulate Sampling Sys Tripped.Caused by Mgt Deficiency.Disconnected Auxiliary Loads,Restricted Use of Outlets & Verified Continued Sys Operation
- 05000013
- 05000014
- 05000016
- 05000016/LER-1998-001
- 05000016/LER-1998-001, Submits Voluntary LER 98-001 Containing Info of Interest to NRC Which Did Not Specifically Meet Reporting Criteria of Section I.8 of Fermi 1 Ts.Notification Was Made on 980409. Commitment Is Made to Submit Rev to Fermi 1 SAR
- 05000016/LER-1999-001
- 05000016/LER-1999-001, :on 990604,protected Area Access Was Found Unlocked.Caused by Human Error.Reinforced That Custodial Agent Issued Key Is Responsible for Ensuring That Protected Area Access Gate Is Locked
- 05000016/LER-2008-001
- 05000016/LER-2008-001, Enrico Fermi, Unit 1 Re Corrective Action Program
- 05000018
- 05000020
- 05000022
- 05000027
- 05000028
- 05000029
- 05000029/LER-1950-029
- 05000029/LER-1950-029, Advises That LER 50-29/80-05 Was Not Used for 1980
- 05000029/LER-1976-001
- 05000029/LER-1976-001, Forwards LER 76-001/03L-0
- 05000029/LER-1976-001-03
- 05000029/LER-1976-001-03, /03L-0:on 760204,slight Leakage from Charging Pump 3 Found in Two Areas,Relief Valve Discharge Flange & Pump Suction Tee to Valve Line Welds.Caused by Vibration Induced Fatigue Failure.Flange & Tee Replaced
- 05000029/LER-1976-002
- 05000029/LER-1976-002, Forwards LER 76-002/03L-0
- 05000029/LER-1976-002-03
- 05000029/LER-1976-002-03, /03L-0:on 760210,auxiliary Operator Noted Leak in Weld on Reducer Discharge Header of Charging Pump 3.Caused by Vibration Induced Fatigue Failure,Due to Continuous Operation of Displacement Charging Pump
- 05000029/LER-1976-003
- 05000029/LER-1976-003, Forwards LER 76-003/01T-0
- 05000029/LER-1976-003-01
- 05000029/LER-1976-003-01, /01T-0:on 760513,review of ECCS Analysis Found Error in Accident Analysis.Caused by Error in Assumption of Accident Analysis.Reanalysis Performed.Proposed Change to Tech Specs Submitted
- 05000029/LER-1976-004
- 05000029/LER-1976-004, Forwards LER 76-004/03L-0
- 05000029/LER-1976-004-03
- 05000029/LER-1976-004-03, /03L-0:on 761216,during Monthly Test,Hpsi Pump 1 Shaft Housing Seal Was Found to Leak Lightly.Caused by Cut in Gasket.Defective Gasket Replaced
- 05000029/LER-1976-005
- 05000029/LER-1976-005, Forwards LER 76-005/03L-0
- 05000029/LER-1976-005-03
- 05000029/LER-1976-005-03, /03L-0:on 760520,auxiliary Operator Noted Slight Leakage from Weld on Inlet Charging Pump 3 Relief Valve. Caused by Pullback Gap Not Allowed During Installation of Pipe & Vibration Induced Fatigue Failure
- 05000029/LER-1976-005-30
- 05000029/LER-1976-005-30, /030-1:on 760520,weld on Inlet to Charging Pump 3 Relief Valve Found Leaking.Caused by Error in Installation of Pipe in Which Full 1/16 Inch Pullback Not Allowed
- 05000029/LER-1976-006
- 05000029/LER-1976-006, Forwards LER 76-006/01T-0
- 05000029/LER-1976-006-01
- 05000029/LER-1976-006-01, /01T-0:on 760624,during Normal Operation,Routine Safety Injection Tank Makeup Was Performed Per Plant Procedure.Acceptance Criteria Not Met.Caused by Change 117, Suppl 3,requiring Limits on Boron Concentration
- 05000029/LER-1976-007
- 05000029/LER-1976-007, Forwards LER 76-007/01T-0
- 05000029/LER-1976-007-01
- 05000029/LER-1976-007-01, /01T-0:on 760624,investigation of RO 76-06 Revealed That Assumed Boron Concentration of LOCA Analysis Was Exceeded During Hydrostatic Leak Test of Reactor Vessel. Caused by Personnel Error.Personnel Reinstructed
- 05000029/LER-1976-008
- 05000029/LER-1976-008, Updated LER 76-008/010-0:on 760730,review of Rod Ejection Accident Analysis Revealed Error in Method Used for Core 11 Analysis.Caused by Error in Methods & Application of Analysis Codes.Sys of Documentation Control Initiated
- 05000029/LER-1976-010
- 05000029/LER-1976-010, Forwards LER 76-010/01T-0
- 05000029/LER-1976-010, Updated LER 76-010/010-0:on 760830,during Review of Core 12 Analysis,Error Discovered in Figure 8-1 of Tech Specs.Caused by Gamma Heating Correction Omitted in Application of Computer Codes.Analysis Placed Under Stringent Contr
- 05000029/LER-1976-010-01
- 05000029/LER-1976-010-01, /01T-0:on 760830,during Review of Core 12 Analysis,Error Found in Figure 8-1 of Tech Specs.Caused by Gamma Heating Correction Omitted by Error in Application of Computer Codes
- 05000029/LER-1976-011
- 05000029/LER-1976-011, Forwards LER 76-011/03L-0
- 05000029/LER-1976-011-03
- 05000029/LER-1976-011-03, /03L-0:on 760907,slight Leakage Noted from Welded Nipple on Charging Pump 3 Discharge Heater Line.Caused by Failure to Allow 1/16-inch Pull Back Gap During Installation of Weld.Pump Isolated & Nipple Replaced
- 05000029/LER-1976-012
- 05000029/LER-1976-012, Forwards LER 76-012/01T-0
- 05000029/LER-1976-012-01
- 05000029/LER-1976-012-01, /01T-0:on 761119,safety Injection Accumulator for Boron Was 30 Ppm Over Tech Specs & 80 Ppm Over Administrative Limits.Investigation Revealed That Std Sodium Hydroxide Titrant Had Concentrations Lower than Predicted
- 05000029/LER-1976-013
- 05000029/LER-1976-013, Forwards LER 76-013/01T-0
- 05000029/LER-1976-013-01
- 05000029/LER-1976-013-01, /01T-0:on 761128,following Plant Trip from Power, Main Collant Pump 3 Inadvertently Restarted During Scram Recovery.Caused by Jammed Trip Mechanism on Air Circuit Breaker.New Trip Coil Installed
- 05000029/LER-1976-014-03
- 05000029/LER-1976-014-03, /03L-0:on 761216,during Performance of OP-4204, Monthly Test of Safety Injection Pumps,High Pressure Safety Injection Pump Shaft Housing Seal Found Leaking.Caused by Cut in Gasket.Defective Gasket Replaced
- 05000029/LER-1977-001
- 05000029/LER-1977-001, Forwards LER 77-001/03L-0
- 05000029/LER-1977-002
- 05000029/LER-1977-002, Forwards LER 77-002/03L-0
- 05000029/LER-1977-002-03
- 05000029/LER-1977-002-03, /03L-0:on 770107,during Monthly Test,Inboard Packing Gland of Low Pressure Pump 1 Found to Leak Excessively.Caused by Packing Deterioration.Pump Removed from Svc,Repacked & Satisfactorily Test Run
- 05000029/LER-1977-003
- 05000029/LER-1977-003, Forwards LER 77-003/03L-0
- 05000029/LER-1977-003-03
- 05000029/LER-1977-003-03, /03L-0:on 770110,primary Vent Stack Monitor Particulate Channel Failed to Meet Acceptance Criteria of Channel Functional Test.Caused by Drifting of Instruments High Voltage.High Voltage Adjusted
- 05000029/LER-1977-004
- 05000029/LER-1977-004, Forwards LER 77-004/03L-0
- 05000029/LER-1977-004-03
- 05000029/LER-1977-004-03, /03L-0:on 770114,charging Pump 2 Discharge Pressure Failed to Meet Tech Specs Surveillance Requirement. Caused by Requirements Based on Centrifugal Instead of Reciprocating Type Pump.Proposed Change Initiated
- 05000029/LER-1977-005
- 05000029/LER-1977-005, Forwards LER 77-005/03L-0
- 05000029/LER-1977-005-03
- 05000029/LER-1977-005-03, /03L-0:on 770116,vapor Container Drain Tank Level Transmitter Diaphragm Failed During Normal Operation.Caused by Transmitter Operating Between Crud Sensing Lines. Transmitter Replaced & Sensing Lines Cleaned
- 05000029/LER-1977-006
- 05000029/LER-1977-006, Forwards LER 77-006/03L-0
- 05000029/LER-1977-006-03
- 05000029/LER-1977-006-03, /03L-0:on 770131,eight Temp Readout Points on Boric Acid Line Found Below Tech Specs Limit.Caused by Sys Evolutions Not Adequately Analyzed During Review of Westinghouse Sts.Proposed Change Initiated
- 05000029/LER-1977-007
- 05000029/LER-1977-007, Forwards LER 77-007/03L-0
- 05000029/LER-1977-007-03
- 05000029/LER-1977-007-03, /03L-0:on 770204,accident-emergency High Level Radiation Monitor Failed to Pass Routine Operational Test. Caused by Test Source Lamp Failure to Actuate Alarm.Source Lamp Control Voltage Adjusted
- 05000029/LER-1977-008
- 05000029/LER-1977-008, Forwards LER 77-008/03L-0
- 05000029/LER-1977-008-03
- 05000029/LER-1977-008-03, /03L-0:on 770204,iodine Channel of Primary Vent Stack Radiation Monitoring Failed to Meet Count Rate Acceptance Criteria.Caused by Mechanical Stops Being Misaligned W/Detector.Stops Aligned & Tightened