05000353/LER-1999-010, :on 990820,manual Actuation of Main CR Chlorine Isolation Mode Was Noted.Caused by Faint Chlorine Odor in Reactor Encl.Conducted Investigation & Was Unable to Locate Source of Odor1999-09-16016 September 1999
- on 990820,manual Actuation of Main CR Chlorine Isolation Mode Was Noted.Caused by Faint Chlorine Odor in Reactor Encl.Conducted Investigation & Was Unable to Locate Source of Odor
ML20212A8861999-09-13013 September 1999
Safety Evaluation Authorizing First & Second 10 Yr Interval Inservice Insp Plan Requestss for Relief RR-01
05000352/LER-1999-009, :on 990802,maint Was Performed That Required Disabling Certain Monitoring Capabilities on Safeguard Sys. Caused by Failure to Properly Use Plant Procedure.Monitoring Capability Was Restored to Svc & Tested1999-09-0101 September 1999
- on 990802,maint Was Performed That Required Disabling Certain Monitoring Capabilities on Safeguard Sys. Caused by Failure to Properly Use Plant Procedure.Monitoring Capability Was Restored to Svc & Tested
ML20212A4481999-08-31031 August 1999
Monthly Operating Repts for Aug 1999 for Limerick Generating Station,Units 1 & 2.With
ML20211E9891999-08-20020 August 1999
LGS Unit 2 Summary Rept for 970228 to 990525 Periodic ISI Rept Number 5
05000353/LER-1999-005-02, :on 990712,PCIV Isolation & Esfa Occurred Due to Blown Fuse.Caused by Mechanical Failure of Cold Solder Joing.Reset Isolation within Three Hours & 22 Minutes & Replaced Fuse1999-08-10010 August 1999
- on 990712,PCIV Isolation & Esfa Occurred Due to Blown Fuse.Caused by Mechanical Failure of Cold Solder Joing.Reset Isolation within Three Hours & 22 Minutes & Replaced Fuse
ML20210L7051999-07-31031 July 1999
Monthly Operating Repts for July 1999 for Limerick Generating Station,Units 1 & 2.With
ML20210H7391999-07-29029 July 1999
Safety Evalution Supporting Amends 136 & 101 to Licenses NPF-39 & NPF-85,respectively
05000353/LER-1999-004-02, :on 990701,determined That Thirteen MSRVs Failed to Meet 1% Setpoint Tolerance Due to Setpoint Drift.Caused by Corrosion Induced Bonding Between Pilot Disc & Seat.All Fourteen Srvs Pilot Valves Were Replaced1999-07-23023 July 1999
- on 990701,determined That Thirteen MSRVs Failed to Meet 1% Setpoint Tolerance Due to Setpoint Drift.Caused by Corrosion Induced Bonding Between Pilot Disc & Seat.All Fourteen Srvs Pilot Valves Were Replaced
05000352/LER-1999-007, :on 990617,inadvertent Emergency Svc Water Start During Test Equipment Installation Occurred.Caused by Personnel Error.Procedure Revised.With1999-07-14014 July 1999
- on 990617,inadvertent Emergency Svc Water Start During Test Equipment Installation Occurred.Caused by Personnel Error.Procedure Revised.With
05000352/LER-1999-005, :on 990611,RPS & ESF Actuations Were Noted. Caused by Personnel Error During Turbine Routine Testing. Revised Backup Overspeed & Power/Load Unbalance Test Routine Test Procedure.With1999-07-0909 July 1999
- on 990611,RPS & ESF Actuations Were Noted. Caused by Personnel Error During Turbine Routine Testing. Revised Backup Overspeed & Power/Load Unbalance Test Routine Test Procedure.With
05000353/LER-1999-003-02, :on 990607,bypass of RW Cleanup Sys Leak Detection Sys Isolation Functions on Three Separate Occasions Was Noted.Caused by Inadequate Review & Approval of Change to Sys Procedure.Procedure S44.7.C Revised1999-07-0707 July 1999
- on 990607,bypass of RW Cleanup Sys Leak Detection Sys Isolation Functions on Three Separate Occasions Was Noted.Caused by Inadequate Review & Approval of Change to Sys Procedure.Procedure S44.7.C Revised
05000352/LER-1999-004-01, :on 990606,ADS Was Inoperable During Planned Maint & Applicable TS Was Not Met.Caused by Inadequate Review Operability Requirements.Clearance Was Removed from Backup ADS Gas Bottles & Sys Was Returned to Service1999-07-0101 July 1999
- on 990606,ADS Was Inoperable During Planned Maint & Applicable TS Was Not Met.Caused by Inadequate Review Operability Requirements.Clearance Was Removed from Backup ADS Gas Bottles & Sys Was Returned to Service
ML20209G0211999-06-30030 June 1999
GE-NE-B13-02010-33NP, Evaluation of Limerick Unit 2 Shroud Cracking for at Least One Fuel Cycle of Operation
ML20209D7741999-06-30030 June 1999
Monthly Operating Repts for June 1999 for Limerick Generating Station,Units 1 & 2
ML20207H8331999-05-31031 May 1999
Non-proprietary Rev 0 to 1H61R, LGS - Unit 2 Core Shroud Ultrasonic Exam
ML20195G4651999-05-31031 May 1999
Monthly Operating Rept for May 1999 for Lgs,Units 1 & 2
ML20209D7791999-05-31031 May 1999
Revised Monthly Operating Repts for May 1999 for Limerick Generating Station,Units 1 & 2
ML20209F2381999-05-24024 May 1999
Safety Evaluation Supporting Amends 135 & 100 to Licenses NPF-39 & NPF-85,respectively
05000352/LER-1999-003-01, :on 990420,RPS & PCRVICS Actuations Were Noted, Due to Loss of FW Transient.Caused by Spuriously Opening Breaker.Deep Bed Condensate Deminerlizer Sys Was Replaced1999-05-19019 May 1999
- on 990420,RPS & PCRVICS Actuations Were Noted, Due to Loss of FW Transient.Caused by Spuriously Opening Breaker.Deep Bed Condensate Deminerlizer Sys Was Replaced
ML20206U6911999-05-19019 May 1999
Safety Evaluation Supporting Amend 99 to License NPF-85
05000353/LER-1999-002-03, :on 990419,various ESF Actuations Due to Loss of Power to 2A Rps/Ups Distribution Panel,Occurred.Caused by Loose Bus Bar Connection in RPS Breaker panel.Bus-bar Connection Inspected,Cleaned & re-tightened1999-05-18018 May 1999
- on 990419,various ESF Actuations Due to Loss of Power to 2A Rps/Ups Distribution Panel,Occurred.Caused by Loose Bus Bar Connection in RPS Breaker panel.Bus-bar Connection Inspected,Cleaned & re-tightened
ML20206U4991999-05-17017 May 1999
Safety Evaluation Supporting Amend 98 to License NPF-85
ML20206P8871999-05-14014 May 1999
Safety Evaluation Supporting Amend 97 to License NPF-85
ML20206N5761999-05-13013 May 1999
Safety Evaluation Supporting Amends 134 & 96 to Licenses NPF-39 & NPF-85,respectively
ML20195B3021999-05-0606 May 1999
Rev 0 to PECO-COLR-L2R5, COLR for Lgs,Unit 2 Reload 5 Cycle 6
ML20206N2901999-04-30030 April 1999
Monthly Operating Repts for Apr 1999 for Limerick Generating Station,Units 1 & 2.With
ML20195G4761999-04-30030 April 1999
Revised Monthly Operating Repts for Apr 1999 for Lgs,Units 1 & 2
ML20206D8971999-04-22022 April 1999
Rev 2 to PECO-COLR-L1R7, COLR for Lgs,Unit 2 Reload 7, Cycle 8
ML20205N8341999-04-0101 April 1999
Part 21 Rept Re Automatic Switch Co Nuclear Grade Series X206380 & X206832 Solenoid Valves Ordered Without Lubricants That Were Shipped with Std Lubrication to PECO & Tva.Affected Plants Were Notified
05000352/LER-1999-002-01, :on 990303,failure to Perform TS Surveillance Required Locked Valve Insp Occurred.Caused by Personnel Error.Procedures Revised.With1999-04-0101 April 1999
- on 990303,failure to Perform TS Surveillance Required Locked Valve Insp Occurred.Caused by Personnel Error.Procedures Revised.With
ML20205N9311999-03-31031 March 1999
Monthly Operating Repts for Mar 1999 for Limerick Generating Station,Units 1 & 2.With
05000352/LER-1999-001-02, :on 990217,old Rev of LGS PSP Was Discovered on Hard Drive of self-contained Computer in Security Ofc Area. Caused by Less than Adequate Ac.Security Force Was Placed on Heightened Awareness to Compensate for Compromise of SG1999-03-16016 March 1999
- on 990217,old Rev of LGS PSP Was Discovered on Hard Drive of self-contained Computer in Security Ofc Area. Caused by Less than Adequate Ac.Security Force Was Placed on Heightened Awareness to Compensate for Compromise of SGI
ML20204G9851999-03-11011 March 1999
Safety Evaluation Re Revised Emergency Action Levels for Limerick Generating Station,Units 1 & 2
ML20207J7461999-02-28028 February 1999
Monthly Operating Repts for Feb 1999 for Limerick,Units 1 & 2.With
ML20199G2371999-01-31031 January 1999
Rev 0 to NEDO-32645, Limerick Generating Station,Units 1 & 2 SRV Setpoint Tolerance Relaxation Licensing Rept
ML20199L5301999-01-19019 January 1999
Special Rept:On 981214,seismic Monitor Was Declared Inoperable.Caused by Spectral Analyzer Not Running.Attempted to Reboot Sys & Then Sent Spectral Analyzer to Vendor for Analysis & Rework.Upgraded Sys Will Be Operable by 990331
ML20206R7881999-01-12012 January 1999
Safety Evaluation Supporting Amend 94 to License NPF-85
05000353/LER-1998-008-02, :on 981209,plant Personnel Identified That Unit 2 RCIC Turbine Steam Supply Line warm-up Bypass Valve Had Been in Partially Open Condition.Caused by Intermittment Control Circuit Anomaly.Control Circuit Replaced1999-01-0707 January 1999
- on 981209,plant Personnel Identified That Unit 2 RCIC Turbine Steam Supply Line warm-up Bypass Valve Had Been in Partially Open Condition.Caused by Intermittment Control Circuit Anomaly.Control Circuit Replaced
ML20205K0381998-12-31031 December 1998
PECO Energy 1998 Annual Rept. with
ML20199F9611998-12-31031 December 1998
Monthly Operating Repts for Dec 1998 for Limerick Generating Station.With
05000352/LER-1998-019, :on 981202,noted Unescorted Access to Contract Employee Who Had Tampered with Drug Test Specimen.Caused by Incorrect Computer Data Entry for pre-access Drug Screening. Will Develop Formal Training Program for Data Entry Clerk1998-12-23023 December 1998
- on 981202,noted Unescorted Access to Contract Employee Who Had Tampered with Drug Test Specimen.Caused by Incorrect Computer Data Entry for pre-access Drug Screening. Will Develop Formal Training Program for Data Entry Clerk