Category:LICENSEE EVENT REPORT (SEE ALSO AO RO)
MONTHYEAR05000454/LER-1998-018, Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a1998-10-0909 October 1998
Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a
ML20217A4471997-09-15015 September 1997
LER 97-S01-00:on 970815,unescorted Visitor Was in Protected Area.Caused by Badged Contractor Escort Who Did Not Comply W/Escort Duties.Nrc Took Control of Escort Duties
05000454/LER-1995-001, Informs That SER Issued Using LER 95-001 & Will Not Be Deemed as Ler.Lers 95-007 & 95-009 Will Not Be Used for Docket 50-454.LERs 95-003 Will Not Be Used for Docket 50-4551996-02-0505 February 1996
Informs That SER Issued Using LER 95-001 & Will Not Be Deemed as Ler.Lers 95-007 & 95-009 Will Not Be Used for Docket 50-454.LERs 95-003 Will Not Be Used for Docket 50-455
ML20076M2181994-10-27027 October 1994
Informs That LER Number 94-011 from Plant Will Not Be Used
ML20076M2141994-10-27027 October 1994
Informs That LER Number 94-010 from Plant Will Not Be Used
05000455/LER-1993-005, Advises That LER 93-005 Will Not Be Used1993-10-27027 October 1993
Advises That LER 93-005 Will Not Be Used
05000454/LER-1985-1021993-08-0404 August 1993
LER 85-102-01:on 851231,determined That FW 1D Preheater Bypass Valve 1FW039D in Svc 18 Days W/O Proper Operational Testing.Caused by Procedural Deficiency.Byron Administrative Procedure Bap 330-1 Will Be revised.W/930806 Ltr
05000455/LER-1991-001, Advises That LER 91-001-00 Will Not Be Used1991-06-18018 June 1991
Advises That LER 91-001-00 Will Not Be Used
05000455/LER-1986-001, Errata to LER 86-001-00,incorporating Page 4 Inadvertently Omitted from Original LER Re Crosby Relief Valve JO-25WR1987-02-0606 February 1987
Errata to LER 86-001-00,incorporating Page 4 Inadvertently Omitted from Original LER Re Crosby Relief Valve JO-25WR
ML20203L0281986-04-25025 April 1986
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
1998-10-09
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Category:TEXT-SAFETY REPORT
MONTHYEARML20217H5221999-09-30030 September 1999
Monthly Operating Repts for Sept 1999 for Byron Station, Units 1 & 2.With
ML20217P6351999-09-29029 September 1999
Non-proprietary Rev 6 to HI-982083, Licensing Rept for Spent Fuel Rack Installation at Byron & Braidwood Nuclear Stations
ML20217A1691999-09-22022 September 1999
Part 21 Rept Re Engine Sys,Inc Controllers,Manufactured Between Dec 1997 & May 1999,that May Have Questionable Soldering Workmanship.Caused by Inadequate Personnel Training.Sent Rept to All Nuclear Customers
ML20212B9261999-08-31031 August 1999
Monthly Operating Repts for Aug 1999 for Byron Station,Units 1 & 2.With
ML20210R3431999-07-31031 July 1999
Monthly Operating Repts for July 1999 for Byron Station, Units 1 & 2.With
ML20210E2251999-07-21021 July 1999
B1R09 ISI Summary Rept Spring 1999 Outage, 980309-990424
ML20209G1751999-07-0808 July 1999
SG Eddy Current Insp Rept,Cycle 9 Refueling Outage (B1R09)
ML20207H7941999-06-30030 June 1999
Rev 0 to WCAP-15180, Commonwealth Edison Co Byron,Unit 2 Surveillance Program Credibility Evaluation
ML20207H8071999-06-30030 June 1999
Rev 0 to WCAP-15178, Byron Unit 2 Heatup & Cooldowm Limit Curves for Normal Operations
ML20207H7851999-06-30030 June 1999
Rev 0 to WCAP-15183, Commonwealth Edison Co Byron,Unit 1 Surveillance Program Credibility Evaluation
ML20207H7771999-06-30030 June 1999
Rev 0 to WCAP-15177, Evaluation of Pressurized Thermal Shock for Byron,Unit 2
ML20209H3711999-06-30030 June 1999
Monthly Operating Repts for June 1999 for Byron Station, Units 1 & 2.With
ML20207H7561999-06-28028 June 1999
Pressure Temp Limits Rept (Ptlr)
ML20207H7621999-06-28028 June 1999
Pressure Temp Limits Rept (Ptlr)
ML20195J8001999-05-31031 May 1999
Monthly Operating Repts for May 1999 for Byron Station,Units 1 & 2.With
ML20207B6481999-05-25025 May 1999
SER Accepting Revised SGTR Analysis for Byron & Braidwood Stations.Revised Analysis Was Submitted to Support SG Replacement at Unit 1 of Each Station
ML20195B2591999-05-19019 May 1999
Rev 66a to CE-1-A,consisting of Proposed Changes to QAP for Dnps,Qcs,Znps,Lcs,Byron & Braidwood Stations
ML20206R6991999-04-30030 April 1999
Monthly Operating Repts for Apr 1999 for Byron Station Units 1 & 2.With
ML20195C7961999-04-28028 April 1999
Rev 2 to NFM9800233, Byron Station Unit 2 COLR for Cycle 8A (BY2C8A)
M980023, Rev 2 to NFM9800233, Byron Station Unit 2 COLR for Cycle 8A (BY2C8A)1999-04-28028 April 1999
Rev 2 to NFM9800233, Byron Station Unit 2 COLR for Cycle 8A (BY2C8A)
ML20205P7001999-03-31031 March 1999
Monthly Operating Repts for Mar 1999 for Byron Station,Units 1 & 2.With
ML20205B5091999-03-26026 March 1999
SER Accepting Relief Requests 12R-24,Rev 0 & 12R-34,Rev 0, Related to Second 10-year Interval Inservice Insp for Byron Station,Units 1 & 2
ML20205C5101999-03-21021 March 1999
Revised Safety Evaluation Supporting Improved TS Amends Issued by NRC on 981222 to FOLs NPF-37,NPF-66,NPF-72 & NPF-77.Revised Pages Include Editorial Corrections
ML20204G3831999-03-19019 March 1999
Safety Evaluation Accepting Second 10-yr Interval ISI Request for Relief 12R-11
M990004, Rev 0 to NFM9900043, Byron Unit 1,Cycle 10 COLR in ITS Format W(Z) Function1999-03-17017 March 1999
Rev 0 to NFM9900043, Byron Unit 1,Cycle 10 COLR in ITS Format W(Z) Function
ML20206A8831999-03-17017 March 1999
Rev 0 to NFM9900043, Byron Unit 1,Cycle 10 COLR in ITS Format W(Z) Function
ML20207M9231999-03-12012 March 1999
Amended Part 21 Rept Re Cooper-Bessemer Ksv EDG Power Piston Failure.Total of 198 or More Pistons Have Been Measured at Seven Different Sites.All Potentially Defective Pistons Have Been Removed from Svc Based on Encl Results
ML20204H9941999-03-0303 March 1999
Non-proprietary Rev 4 to HI-982083, Licensing Rept for Spent Fuel Rack Installation at Byron & Braidwood Nuclear Stations
ML20204C7671999-02-28028 February 1999
Monthly Operating Repts for Feb 1999 for Byron Station,Units 1 & 2.With
ML20199G8271998-12-31031 December 1998
Rev 1 Comm Ed Byron Nuclear Power Station,Unit 1 Cycle 9 Startup Rept
ML20205M7061998-12-31031 December 1998
Unicom Corp 1998 Summary Annual Rept. with
ML20202F6181998-12-31031 December 1998
Cycle 8 COLR in ITS Format & W(Z) Function
ML20206B4001998-12-31031 December 1998
Annual & 30-Day Rept of ECCS Evaluation Model Changes & Errors for Byron & Braidwood Stations
ML20199E6371998-12-31031 December 1998
Monthly Operating Repts for Dec 1998 for Byron Station,Units 1 & 2.With
ML20202F6021998-12-31031 December 1998
Cycle 9 COLR in ITS Format & W(Z) Function
ML20196K6731998-12-31031 December 1998
10CFR50.59 Summary Rept for 1998
ML20207H7731998-11-30030 November 1998
Rev 0 to WCAP-15125, Evaluation of Pressurized Thermal Shock for Byron,Unit 1
ML20207H8011998-11-30030 November 1998
Rev 0 to WCAP-15124, Byron Unit 1 Heatup & Cooldown Limit Curves for Normal Operation
ML20198D1501998-11-30030 November 1998
Monthly Operating Repts for Nov 1998 for Byron Nuclear Power Station,Units 1 & 2.With
ML20196A4191998-11-19019 November 1998
Safety Evaluation Accepting QA TR CE-1-A,Rev 66 Re Changes in Independent & Onsite Review Organization by Creating NSRB
ML20195F8321998-10-31031 October 1998
Monthly Operating Repts for Oct 1998 for Byron Nuclear Power Station,Units 1 & 2.With
05000454/LER-1998-018, Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a1998-10-0909 October 1998
Corrected LER 98-018-00:on 980912,inoperable Unit 1 DG Was Noted.Caused by Low Lube Oil Pressure Condition.Immediately Entered Into Lcoar for AC Sources TS 3.8.1.1,Action a
ML20207H7671998-10-0505 October 1998
Rv Weld Chemistry & Initial Rt Ndt
ML20154L5501998-09-30030 September 1998
Monthly Operating Repts for Sept 1998 for Byron Nuclear Power Station,Units 1 & 2.With
ML20197C9051998-08-31031 August 1998
Monthly Operating Repts for Aug 1998 for Byron Nuclear Power Station,Units 1 & 2.With
ML20151Z9651998-08-31031 August 1998
Revised MOR for Aug 1998 for Byron Nuclear Power Station. Rept Now Includes Page 9 Which Was Omitted from Previously Issued Rept
ML20238F6551998-08-28028 August 1998
SE Authorizing Licensee Request for Relief NR-20,Rev 1 & NR-25,Rev 0 Re Relief from Examination Requirement of Applicable ASME BPV Code,Section XI for First ISI Interval Exams
ML20237E2331998-08-21021 August 1998
Revised Pages of Section 20 of Rev 66 to CE-1-A, QA Topical Rept
ML20237B3361998-08-14014 August 1998
B2R07 ISI Summary Rept,Spring 1998 Outage, 961005-980518
ML20237B4841998-07-31031 July 1998
Monthly Operating Repts for July 1998 for Byron Nuclear Power Station Units 1 & 2
1999-09-30
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