05000278/LER-1999-005-03, :on 990920,uplanned Esfas During Planned Mod Activitives in Main CR Were Noted.Caused by Inattention to Detail by Individuals Performing Work.All CR Mods Were Ceased to Allow Review of Mod Work Packages.With1999-10-20020 October 1999
- on 990920,uplanned Esfas During Planned Mod Activitives in Main CR Were Noted.Caused by Inattention to Detail by Individuals Performing Work.All CR Mods Were Ceased to Allow Review of Mod Work Packages.With
ML20217K9931999-10-14014 October 1999
Safety Evaluation Supporting Amend 234 to License DPR-56
ML20217B4331999-10-0505 October 1999
Safety Evaluation Supporting Amend 233 to License DPR-56
05000278/LER-1999-004-03, :on 990901,3A RPS Bus Was Inadvertently Deenergized,During Planned Mod Activities on Main CR Panel. Caused by Electrician Failing to Self Check Work.All CR Work Was Ceased Immediately & Shutdown Meeting Held1999-10-0101 October 1999
- on 990901,3A RPS Bus Was Inadvertently Deenergized,During Planned Mod Activities on Main CR Panel. Caused by Electrician Failing to Self Check Work.All CR Work Was Ceased Immediately & Shutdown Meeting Held
ML20217G3541999-09-30030 September 1999
Monthly Operating Repts for Sept 1999 for Pbaps,Units 2 & 3. with
ML20216H7091999-09-24024 September 1999
Safety Evaluation Supporting Amends 229 & 232 to Licenses DPR-44 & DPR-56,respectively
ML20212D1281999-09-17017 September 1999
Safety Evaluation Supporting Proposed Alternatives CRR-03, 05,08,09,10 & 11
05000278/LER-1999-003-03, :on 990814,HPCIS Was Declared Inoperable Due to Erratic Behavior Resulting in Loss of Single High Train Safety Sys.Caused by Weakness in Procedural Guidance. Readjusted Hydraulic Governor Needle Valve.With1999-09-13013 September 1999
- on 990814,HPCIS Was Declared Inoperable Due to Erratic Behavior Resulting in Loss of Single High Train Safety Sys.Caused by Weakness in Procedural Guidance. Readjusted Hydraulic Governor Needle Valve.With
ML20212A5871999-08-31031 August 1999
Monthly Operating Repts for Aug 1999 for Peach Bottom,Units 2 & 3.With
ML20211D5501999-08-23023 August 1999
Safety Evaluation Supporting Amends 228 & 231 to Licenses DPR-44 & DPR-56,respectively
ML20212H6311999-08-19019 August 1999
Rev 2 to PECO-COLR-P2C13, COLR for Pbaps,Unit 2,Reload 12 Cycle 13
ML20210N7641999-07-31031 July 1999
Monthly Operating Repts for Jul 1999 for PBAPS Units 2 & 3. with
05000277/LER-1999-005-01, :on 990616,failure to Maintain Provisions of FP Program Occurred.Caused by Less than Adequate Engineering Rigor in Both Development & Review Analysis.Fire Watch Immediately Established.With1999-07-16016 July 1999
- on 990616,failure to Maintain Provisions of FP Program Occurred.Caused by Less than Adequate Engineering Rigor in Both Development & Review Analysis.Fire Watch Immediately Established.With
ML20209H1121999-06-30030 June 1999
Monthly Operating Repts for June 1999 for Pbaps,Units 2 & 3. with
ML20195H8841999-05-31031 May 1999
Monthly Operating Repts for May 1999 for Pbaps,Units 2 & 3. with
05000278/LER-1999-002-02, :on 990406,safeguard Sys to Unrelated Door Was Inadvertently Disabled by Security Alarm Station Operator. Caused by Noncompliance with Procedures & Less than Adequate Shift Turnover.Briefed Personnel on Event.With1999-05-0606 May 1999
- on 990406,safeguard Sys to Unrelated Door Was Inadvertently Disabled by Security Alarm Station Operator. Caused by Noncompliance with Procedures & Less than Adequate Shift Turnover.Briefed Personnel on Event.With
ML20206N1661999-04-30030 April 1999
Monthly Operating Repts for Apr 1999 for Pbaps,Units 2 & 3. with
ML20206A2921999-04-20020 April 1999
Safety Evaluation Concluding That Proposed Changes to EALs for PBAPS Are Consistent with Guidance in NUMARC/NESP-007 & Identified Deviations Meet Requirements of 10CFR50.47(b)(4) & App E to 10CFR50
05000278/LER-1999-001-03, :on 990312,ESF Actuation of Rcics Occurred Due to High Steam Flow Signal During Sys Restoration.Temporary Change to Restoration Procedure Was Initiated to Open RCIC Outboard Steam Isolation Valve in Smaller Increments1999-04-0808 April 1999
- on 990312,ESF Actuation of Rcics Occurred Due to High Steam Flow Signal During Sys Restoration.Temporary Change to Restoration Procedure Was Initiated to Open RCIC Outboard Steam Isolation Valve in Smaller Increments
ML20205K7411999-04-0707 April 1999
Safety Evaluation Supporting Amends 227 & 230 to Licenses DPR-44 & DPR-56,respectively
ML20205P5851999-03-31031 March 1999
Monthly Operating Repts for Mar 1999 for Peach Bottom Units 2 & 3.With
ML20207G9971999-02-28028 February 1999
Monthly Operating Repts for Feb 1999 for Peach Bottom Units 2 & 3.With
05000278/LER-1998-009-01, :on 981227,unplanned Esfa Were Noted.Caused by Transformer Insulator Failure.Replaced Failed Insulator. with1999-01-20020 January 1999
- on 981227,unplanned Esfa Were Noted.Caused by Transformer Insulator Failure.Replaced Failed Insulator. with
ML20199E3471998-12-31031 December 1998
Monthly Operating Repts for Dec 1998 for Peach Bottom,Units 1 & 2.With
ML20205K0381998-12-31031 December 1998
PECO Energy 1998 Annual Rept. with
ML20206P1651998-12-31031 December 1998
Fire Protection for Operating Nuclear Power Plants, Section Iii.F, Automatic Fire Detection
ML20206D3591998-12-31031 December 1998
1998 PBAPS Annual 10CFR72.48 Rept. with
ML20206D3651998-12-31031 December 1998
1998 PBAPS Annual 10CFR50.59 & Commitment Rev Rept. with
05000277/LER-1998-008-01, :on 981130,circuit Breaker SU-25 Tripped.Caused by Less than Adequate Procedural Guidance.Operators Verified Sys Integrity & Successfully Returned Sys to Svc.With1998-12-30030 December 1998
- on 981130,circuit Breaker SU-25 Tripped.Caused by Less than Adequate Procedural Guidance.Operators Verified Sys Integrity & Successfully Returned Sys to Svc.With
05000277/LER-1998-007-02, :on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With1998-12-0404 December 1998
- on 981107,failure to Meet TS & Associated LCO Requirments of Absolute Difference in APRM & Calculated Power of Less than 2% Was Noted.Caused by Substitute Valves Being Used.Removed Substitute Valves.With
ML20196G7021998-12-0202 December 1998
SER Authorizing Proposed Alternative to Delay Exam of Reactor Pressure Vessel Shell Circumferential Welds by Two Operating Cycles
ML20196E8261998-11-30030 November 1998
Response to NRC RAI Re Reactor Pressure Vessel Structural Integrity at Peach Bottom Units 2 & 3
ML20198B8591998-11-30030 November 1998
Monthly Operating Repts for Nov 1998 for Pbaps,Units 2 & 3. with
05000278/LER-1998-005-03, :on 981025,inadvertent Unit 3 Electrical Bus E33 Trip (Esfa) During Performance of Unit 2 Electrical Bus E32 Surveillance Test Was Noted.Caused by Personnel Error. Sp S12M-54-E32-XXF4 Was Completed.With1998-11-20020 November 1998
- on 981025,inadvertent Unit 3 Electrical Bus E33 Trip (Esfa) During Performance of Unit 2 Electrical Bus E32 Surveillance Test Was Noted.Caused by Personnel Error. Sp S12M-54-E32-XXF4 Was Completed.With
ML20206R2571998-11-17017 November 1998
PBAPS Graded Exercise Scenario Manual (Sections 1.0 - 5.0) Emergency Preparedness 981117 Scenario P84
ML20198C6751998-11-0505 November 1998
Rev 3 to COLR for PBAPS Unit 3,Reload 11,Cycle 12
ML20195E5341998-10-31031 October 1998
Monthly Operating Repts for Oct 1998 for Pbaps,Units 2 & 3. with
ML20155C6071998-10-26026 October 1998
Safety Evaluation Supporting Amend 226 to License DPR-44
ML20155C1681998-10-22022 October 1998
Safety Evaluation Accepting Proposed Alternative Plan for Exam of Reactor Pressure Vessel Shell Longitudinal Welds
ML20155H7721998-10-12012 October 1998
Rev 1 to COLR for Peach Bottom Atomic Power Station Unit 2, Reload 12,Cycle 13
05000277/LER-1998-006-02, :on 980915,automatic RWCU Isolation Occurred While Placing RWCU Sys in Svc.Caused by Unexpected Surge of Water.Procedure Change Was Initiated to Open MO-2-12-74 & RWCU Sys Was Successfully Returned to Svc.With1998-10-0909 October 1998
- on 980915,automatic RWCU Isolation Occurred While Placing RWCU Sys in Svc.Caused by Unexpected Surge of Water.Procedure Change Was Initiated to Open MO-2-12-74 & RWCU Sys Was Successfully Returned to Svc.With
ML20154H4771998-10-0505 October 1998
Safety Evaluation Supporting Amends 225 & 229 to Licenses DPR-44 & DPR-56,respectively
ML20154J2401998-10-0505 October 1998
Safety Evaluation Supporting Amends 224 & 228 to Licenses DPR-44 & DPR-56,respectively
ML20154G6631998-10-0101 October 1998
Safety Evaluation Supporting Amends 223 & 227 to Licenses DPR-44 & DPR-56,respectively
ML20154G6821998-10-0101 October 1998
SER Related to Request for Relief 01A-VRR-1 Re Inservice Testing of Automatic Depressurization Sys Safety Relief Valves at Peach Bottom Atomic Power Station,Units 2 & 3
ML20154H5541998-09-30030 September 1998
Monthly Operating Repts for Sept 1998 for Pbaps,Units 2 & 3. with
05000277/LER-1998-005-02, :on 980824,noted Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated.Caused by Personnel Failing to Take All TS Required Actions.Temporary Procedure Changes Were Made1998-09-18018 September 1998
- on 980824,noted Failure to Meet TS Actions for Suppression chamber-to-drywell Vacuum Breaker Not Being Fully Seated.Caused by Personnel Failing to Take All TS Required Actions.Temporary Procedure Changes Were Made
05000278/LER-1998-004-03, :on 980820,automatic RWCU Isolation Occurred While Placing B RWCU Sys Demineralizer in Svc.Caused by less-than-adequate Control of Equipment.Isolated B Demineralizer & Returned RWCU Sys to Svc1998-09-18018 September 1998
- on 980820,automatic RWCU Isolation Occurred While Placing B RWCU Sys Demineralizer in Svc.Caused by less-than-adequate Control of Equipment.Isolated B Demineralizer & Returned RWCU Sys to Svc