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Issue date | Title | Topic | |
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ML20038B181 | 10 November 1981 | Final Deficiency Rept Re Vol Control Tank Level Control Sys, Initially Reported 810724.Operator Has Sufficient Time to Prevent Loss of Suction to Changing Points If One Level Control Sys Malfunctions.Procedures Revised | |
ML20040E289 | 29 January 1982 | Rept,Geologic Investigation of Solution Features,Byron Station-Units 1 & 2,Comm Ed. | |
ML20040F740 | 1 February 1982 | Part 21 Rept Re Strainer Basket in Diesel Generator Lube Oil Strainer Mfg by Zurn Industries.Mesh Liner Tears Loose at Basket Top & Disintegrates.Baskets to Be Replaced in All Facilities W/New Qualified Design in 6 Months | |
ML20042E156 | 6 April 1990 | LER 90-003-00:on 900307,individual Cell Voltage for Cell 53 Found to Be at 2.11 Volts,Contrary to Tech Spec Limit.Caused by Electrician Using Improper Acceptance Criteria Format & Inadequate Mgt Review of surveillance.W/900406 Ltr | |
ML20042E311 | 31 March 1990 | Monthly Operating Repts for Mar 1990 for Byron Nuclear Power Station Units 1 & 2.W/900410 Ltr | |
ML20042E913 | 31 March 1990 | Nonproprietary Rev 1 to Steam Generator Tube Rupture Analysis for Byron & Braidwood Plants. | |
ML20042G912 | 8 May 1990 | LER 87-012-01:on 870408,component Cooling Pump 1A Tripped When Surge Tank Level Dropped to Low Level Pump Trip Setpoint.Caused by Breakdown in Communication.Mod to Component Cooling Sys completed.W/900507 Ltr | |
ML20043A352 | 31 March 1990 | Corrected Operating Data Rept for Mar 1990 for Byron Station Unit 1 | |
ML20043A355 | 30 April 1990 | Monthly Operating Repts for Apr 1990 for Byron Station Units 1 & 2 | |
ML20043D584 | 1 June 1990 | LER 90-006-00:on 900503,as Surveillance Underway All Indication on Digital electro-hydraulic Computer Panel Was Lost.Caused by Failure of Ampere Fuse Due to Short Circuit in Pushbutton.Lighting Circuit rewired.W/900530 Ltr | |
ML20043H064 | 31 May 1990 | Monthly Operating Rept for May 1990 for Byron Nuclear Power Station.W/900612 Ltr | |
ML20044A964 | 31 July 1990 | Rev 0 to Comm Ed Topical Rept on Benchmark of PWR Nuclear Design Methods Using PHOENIX-P & Advanced Nodal Code (Anc) Computer Codes. | |
ML20044A987 | 11 July 1990 | LER 89-005-01:on 890501,diesel Generator 1A Failed to Load to 5,500 Kw within 60 as Required.Caused by Max Fuel Setting on Fuel Control Sys Being Set Too Low.Vendor Instructions Added to Maint procedures.W/900629 Ltr | |
ML20044B099 | 12 July 1990 | LER 90-007-00:on 900612,discovered That Steam Line Isolation Handswitch on Main Control Board Panel 1PM06J Not Tested During Past Refueling Outages.Caused by Deficient Procedure. All Similar Equipment Will Be reviewed.W/900712 Ltr | |
ML20044C191 | 28 February 1993 | Monthly Operating Repts for Feb 1993 for Byron Nuclear Power Station,Units 1 & 2.W/930311 Ltr | Offsite Dose Calculation Manual |
ML20044D830 | 30 April 1993 | Monthly Operating Repts for Apr 1993 for Byron Nuclear Power Station,Units 1 & 2.W/930506 Ltr | |
ML20044F129 | 31 March 1993 | Monthly Operating Repts for Mar 1993 for Byron Nuclear Power Station Units 1 & 2.W/930406 Ltr | |
ML20045A694 | 4 June 1993 | LER 93-003-00:on 930511,turbine Emergency Trip Oil Header Pressure Low Alert Received Followed by Reactor Trip & Turbine Trip Above P-8.Caused by Actuation of Overspeed Trip Relay.Faulty Power Supply Board replaced.W/930604 Ltr | |
ML20045C177 | 31 May 1993 | Monthly Operating Repts for May 1993 for Byron Nuclear Power Station,Units 1 & 2.W/930608 Ltr | |
ML20046A123 | 30 June 1993 | Monthly Operating Repts for June 1993 for Byron Nuclear Power Station,Units 1 & 2.W/930706 Ltr | |
ML20052H670 | 30 April 1982 | to Byron Units 1 & 2,Braidwood Units 1 & 2 Auxiliary Feedwater Sys Reliability Analysis, Final Rept | |
ML20052H908 | 11 May 1982 | Final Deficiency Rept Re Diesel Generator Strainer Basket Defect,Initially Reported on 820423.New Basket Designed & Tested & Will Be Installed Prior to Fuel Load | |
ML20054F070 | 30 April 1982 | Bryon/Braidwood Stations - Units 1 & 2,Inadequate Core Cooling Detection Sys Summary Status Rept | Safe Shutdown Fuel cladding |
ML20054F393 | 6 June 1982 | Revised Pages to CE-1-A,Revision 21, QA Topical Rept | |
ML20054K978 | 29 June 1982 | Deficiency Rept 82-02 Re Synchroscope Wiring Error,Initially Reported 820601.Primary Connections of Potential Transformer Connected to C/B Phases Instead of A/B Phases.Connection on 4.16-kV Bus Tie 141-241 Transformer Corrected | |
ML20054L579 | 25 June 1982 | Probabilistic Evaluation of High Pressure Liquid Challenges to Safety/Relief Valves in Zion,Byron/Braidwood PWR Plants | |
ML20055G346 | 27 June 1990 | Ro:On 900412,engine Tripped Due to Spurious High Jacket Water Temp Trip Valve Actuation During Partial Surviellance to Verify Operability of Diesel Generator 2A.Nuclear Work Request Initiated to Repair or Replace Trip Valve | |
ML20056D492 | 27 July 1993 | Safety Evaluation Re Fuel Reconstitution | |
ML20056D629 | 31 July 1993 | Monthly Operating Repts for Jul 1993 for Byron Nuclear Power Station,Units 1 & 2 | |
ML20056D895 | 31 May 1993 | Nonproprietary Rev 1 to WCAP-13699, Laser Welded Sleeves for 3/4 Inch Diameter Tube Feedring Type & Westinghouse Preheater Sgs | Boric Acid Non-Destructive Examination Hydrostatic Finite Element Analysis Intergranular Stress Corrosion Cracking Stress corrosion cracking Eddy Current Testing Liquid penetrant Flow Induced Vibration |
ML20056E277 | 17 August 1993 | Rev 64 to Topical Rept CE-1-A, Comm Ed QA Manual | |
ML20058A368 | 1 October 1990 | Deviation Investigation Rept 90-026-00:on 900815,EDG 2A Cylinder 10L Dislocated Pushrod Due to Collapsed Hydraulic Lifter | |
ML20058A981 | 16 November 1993 | Commonwealth Edison Briefing to NRR Personnel | |
ML20058H912 | 31 August 1990 | Revised Monthly Operating Rept for Aug 1990 for Byron Nuclear Power Station | |
ML20058H917 | 30 September 1990 | Revised Monthly Operating Rept for Sept 1990 for Byron Nuclear Power Station | |
ML20058H921 | 31 October 1990 | Monthly Operating Repts for Oct 1990 for Byron Nuclear Power Station | |
ML20058L996 | 6 August 1990 | Safety Evaluation Denying Licensee Response to Station Blackout Rule.Staff Recommends That Licensee Reevaluate Areas of Concern Identified in SER | Safe Shutdown Emergency Lighting |
ML20058M000 | 6 August 1990 | Safety Evaluation Denying Licensee Response to Station Blackout Rule.Staff Recommends That Licensee Reevaluate Areas of Concern Identified in SER | Safe Shutdown Manual Operator Action |
ML20059A297 | 20 October 1993 | Cycle 5 Operating Limit Rept -Fxy Portion | |
ML20059E287 | 30 December 1993 | Safety Evaluation Supporting Amends 57,57,45,45,93,77,152 & 140 to Licenses NPF-37,NPF-66,NPF-72,NPF-77,NPF-11,NPF-18, DPR-39 & DPR-48 Respectively | |
ML20059K921 | 31 October 1993 | Monthly Operating Repts for Oct 1993 for Byron Nuclear Power Station Units 1 & 2 | |
ML20059L337 | 14 September 1990 | SER Granting Interim Relief for 1 Yr or Until Next Refueling Outage to Continue Current Testing Methods While Licensee Investigates Feasibility of Acceptable Alternatives | |
ML20059L458 | 14 September 1990 | Sser Supporting Util Changes to Inservice Testing Program | Safe Shutdown Boric Acid Stroke time |
ML20059L667 | 10 September 1990 | Inservice Insp Program,Byron Station Units 1 & 2 | Boric Acid High Radiation Area VT-2 Scaffolding |
ML20059L986 | 11 November 1993 | Part 21 Rept Re Deviation Wherein Fully Open Butterfly Valve Located 15 Pipe Diameters Upstream of Sensors Was Disturbing Flow Profile Enough to Cause Ultrasonic Meter to Indicate 3 to 4% Low.Customers Notified & Valve Removed | |
ML20062C331 | 30 September 1990 | Monthly Operating Repts for Sept 1990 for Byron Nuclear Power Station | |
ML20062G468 | 3 August 1982 | Interim Deficiency Rept Re Potential for Fire Dampers Not to Close When Fusible Link Separates.Initially Reported on 820701.All Curtain Type Fire Dampers W/C Type Fusible Links Will Be Reworked Prior to Fuel Load | |
ML20062G900 | 2 August 1982 | Interim Deficiency Rept Re Emergency Diesel Generator Field Relay Failure.Initially Reported on 820702.One Contact on Relay 14FX Found Fused Closed.Relay Replaced.Final Rept Expected by 820902 | |
ML20062K689 | 30 November 1993 | Monthly Operating Repts for Nov 1993 Byron Nuclear Power Station | |
ML20062N825 | 31 December 1993 | Monthly Operating Repts for Dec 1993 for Byron Nuclear Station | Offsite Dose Calculation Manual |