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Issue date | Title | Topic | |
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05000352/LER-1987-023, Part 21 Rept Re Reactor Protective Sys Breaker Trip. Initially Reported in Util LER 87-023.Caused by Misoperation of 27N Undervoltage Relay When Control Undervoltage Reapplied After Having Been Off | 22 December 1987 | Part 21 Rept Re Reactor Protective Sys Breaker Trip. Initially Reported in Util LER 87-023.Caused by Misoperation of 27N Undervoltage Relay When Control Undervoltage Reapplied After Having Been Off | |
BSEP-83-1220, Part 21 Rept Re Pipe Clamps for Snubber/Struts Oriented in off-axis Direction.Initially Reported on 830224 & by IE Info Notice 83-13.Clamps Will Be Replaced by End of Fall 1983 Refueling Outage | 22 April 1983 | Part 21 Rept Re Pipe Clamps for Snubber/Struts Oriented in off-axis Direction.Initially Reported on 830224 & by IE Info Notice 83-13.Clamps Will Be Replaced by End of Fall 1983 Refueling Outage | Design basis earthquake |
BSEP-83-1260, Supplemental Response to Part 21 Rept Re Postulated Pipe Crack in Hpci,Rcic,Reactor Water Cleanup Sys & Main Steam Line Drains.Required Mods Will Be Installed to Meet Requirements of Environ Qualification Program | 26 April 1983 | Supplemental Response to Part 21 Rept Re Postulated Pipe Crack in Hpci,Rcic,Reactor Water Cleanup Sys & Main Steam Line Drains.Required Mods Will Be Installed to Meet Requirements of Environ Qualification Program | |
BSEP-85-1850, Part 21 & Deficiency Rept Re 12 of 16 Rockwell Edward Valves Exceeding Leak Rate Criteria as Specified by Procurement Documentation.Initially Reported on 850705. Valves Returned to Vendor for Cause Determination | 18 October 1985 | Part 21 & Deficiency Rept Re 12 of 16 Rockwell Edward Valves Exceeding Leak Rate Criteria as Specified by Procurement Documentation.Initially Reported on 850705. Valves Returned to Vendor for Cause Determination | |
BSEP-87-1205, Part 21 Rept & Deficiency Rept Re Defective GE CR205X Series Auxiliary Contacts.Initially Reported on 871027.Contacts for Loads Listed in Attachment 3 Will Be Replaced on Unit 1 by 880701 & by 881101 on Unit 2 | 30 October 1987 | Part 21 Rept & Deficiency Rept Re Defective GE CR205X Series Auxiliary Contacts.Initially Reported on 871027.Contacts for Loads Listed in Attachment 3 Will Be Replaced on Unit 1 by 880701 & by 881101 on Unit 2 | |
BSEP-89-0342, Part 21 Rept Re Problem in Pump Suction & Discharge Valves of Standby Liquid Control Sys.Initially Reported on 890427. Evaluation Found Defect Consisting of Casting Flaws/Surface Irregularities in Valves | 1 May 1989 | Part 21 Rept Re Problem in Pump Suction & Discharge Valves of Standby Liquid Control Sys.Initially Reported on 890427. Evaluation Found Defect Consisting of Casting Flaws/Surface Irregularities in Valves | |
BSEP-91-0191, Part 21 Rept Re Discrepancy Noted Between Torque Indicated by motor-actuator Characterization Sys & Output Torque Measured by Limitorque Actuator Test Stand.Initially Reported on 910426.Vendor Contacted Re Software Problem | 29 April 1991 | Part 21 Rept Re Discrepancy Noted Between Torque Indicated by motor-actuator Characterization Sys & Output Torque Measured by Limitorque Actuator Test Stand.Initially Reported on 910426.Vendor Contacted Re Software Problem | |
FVY-86-105, Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl | 10 November 1986 | Part 21 Rept Re Design Defect Relating to Limitorque Motor Operators Mfg Prior to 1975.Mfg Contacted & Retrofit Kits Installed on safety-related & nonsafety-related Operators. Addl Info Encl | |
LD-84-063, Part 21 Rept Re Evaluation & Corrective Action for Excessive Setpoint Drift in Some Potentiometers in Auxiliary Feedwater Actuation Sys Cabinet at St Lucie Unit 2 & Plant Protection Sys Cabinets at Palo Verde | 26 October 1984 | Part 21 Rept Re Evaluation & Corrective Action for Excessive Setpoint Drift in Some Potentiometers in Auxiliary Feedwater Actuation Sys Cabinet at St Lucie Unit 2 & Plant Protection Sys Cabinets at Palo Verde | |
LD-97-031, Part 21 Rept Re Incorrect Nut & Washer Plate Matl for ECCS Suction Strainer Bolted Connections.Nut Plates & Washer Plates Fabricated from Incorrect Matl & Delivered to Peach Bottom Unit 3 Site.Nut & Washer Plates Never Installed | 30 October 1997 | Part 21 Rept Re Incorrect Nut & Washer Plate Matl for ECCS Suction Strainer Bolted Connections.Nut Plates & Washer Plates Fabricated from Incorrect Matl & Delivered to Peach Bottom Unit 3 Site.Nut & Washer Plates Never Installed | |
ML17223A745 | 26 January 1990 | Part 21 Rept Re Backup Rings Furnished in Spare Parts Seal Kits & in 25 Gpm 4 Way Valves as Part of Actuators Made of Incorrect Matl.Rings Should Be Viton & Have Been Identified as Buna N | |
ML17261A530 | 18 June 1987 | Part 21 Rept Re Potential Util Failure to Comply W/Component Containment Isolation Licensing Commitment If Proposed Mods to Component Cooling Water Sys Instituted.Utils Advised to Evaluate Containment Isolation Sys | |
ML17354B097 | 9 September 1998 | Part 21 Rept Re Possible Machining Defect in Certain One Inch Stainless Steel Swagelok Front Ferrules,Part Number SS-1613-1.Caused by Tubing Slipping Out of Fitting at Three Times Working Pressure of Tubing.Notified Affected Utils | |
ML18036A079 | 6 May 1980 | Part 21 Rept Re Workmanship & Design Defects of Some Wiring Connections Supplied by American Warming & Ventilating,Inc (Awv).Crimping Tools Under Evaluation.Awv Will Institute 100% Insp | |
ML18038A897 | 7 September 1994 | Part 21 Rept Re Defect in Latching Mechanism of Potter & Brumfield Relay on C&D High Voltage Shut Down Alarm Assembly Printed Circuit Boards.Pull Test on Relay Reset Button Incorporated Into Receiving Insp Procedures | |
ML18093A828 | 6 May 1988 | Part 21 & Deficiency Rept Re Asea Brown Boveri,Power Distribution,Inc Low Voltage K-Line Circuit Breakers. Efforts Underway to Define Quantity & Type of Component Parts That May Need to Be Replaced | |
ML18096B242 | 1 February 1993 | Part 21 Rept Re Possible Matl Defect in Stainless Steel Swagelock Tube Fittings.Initially Reported on 921218.List of Part Numbers,Heat Codes & Addl Affected Customers Encl | |
ML18106B044 | 29 January 1999 | Part 21 Rept Re Possible Defect in Swagelok Pipe Fitting Tee Part Number SS-6-T.Caused by Crack in Center of Forging. Continuing Analysis of Part & Will Provide Details in Acoordance with NRC Timetables | |
ML18106B055 | 1 February 1999 | Part 21 Rept Re Possible Matl Defect in Swagelok Pipe Fitting Tee,Part Number SS-6-T.Defect Is Crack in Center of Forging.Analysis of Part Is Continuing & Further Details Will Be Provided IAW Ncr Timetables.Drawing of Part,Encl | |
ML18106B093 | 25 February 1999 | Part 21 Rept Re Possible Defect in Swagelok Pipe Fitting Tee,Part Number SS-6-T.Caused by Crack Due to Improper Location of Heated Bar.Only One Part Out of 7396 Pieces in Forging Lot Was Found to Be Cracked.Affected Util,Notified | |
ML18107A344 | 1 June 1999 | Interim Part 21 Rept Re Premature Over Voltage Protection Actuation in Circuit Specific Application in Dc Power Supply.Testing & Evaluation Activities Will Be Completed on 990716 | |
ML18153C101 | 2 February 1990 | Part 21 Rept Re Two of Three Pc Cards in GE Type SLV11A1 Over/Undervoltage Relays Failing to Produce Output.Short Between Leads Would Result in Damage to Component 1C5. Sketch of Threshold Detection Board Encl | |
ML19257A456 | 28 September 1979 | Part 21 Rept 79-159-000:on 790924,defective Crimps Found on Pins Used in 72C Insert for Panel H12-P853.Caused by Mfg Personnel Error & Crimping Tool Malfunction Resulting from Inadequate Qa.Utils to Be Advised of Insp & Repair Program | |
ML19257C970 | 8 January 1980 | Part 21 Rept 80-190-000:spring Used in Some NH91-96 & 98 Milliampere Hydramotor Acuators Discovered Mfg from Incorrect Matl.Notifications to Affected Customers Encl | |
ML19270G091 | 30 April 1979 | Significant Deficiency Rept 8:limitorque Locknut Installation Deficiency | |
ML19290B660 | 26 September 1979 | Interim Significant Deficiency Rept Re Weld Wire Documentation.Electrodes Used in post-weld Heat Treated Condition Were Not Properly Tested.Caused by Discrepancy in Procedures.Procedures Will Be Revised by 800118 | |
ML19290E032 | 18 January 1980 | Second Interim Rept Re Pittsburgh Des Moines Use of 8018-C3 Weld Filler Metal.New Electrode Spec Issued,Welding Procedures Revised.Investigation Will Be Complete by 800314 | |
ML19305C753 | 3 March 1980 | Interim Deficiency Rept Re Main Steam Pipe Spools.Ge Issued Instructions to Restore Affected Wall Thickness to Original GE Spec Requirement.Final Rept Will Be Submitted by 800321 | |
ML19309F692 | 30 April 1980 | Final Deficiency Rept Re Electrical Raceway Separation. Project QC Insp E-2.0 Has Been Revised to Include Final Acceptance Insp to Verify That Separation Requirements Have Been Maintained & Training Classes Held | |
ML19309F928 | 8 April 1980 | Supplementary Deficiency Rept Re AH90 & NH90 Series Actuators Supplied by Itt General Controls.Itt General Control Will Supply Actuator Force Values & Torque & Damper Torque Values Will Be Compared.Customer List Encl | |
ML19309G766 | 2 May 1980 | Potential Significant Deficiency Rept Re Discrepancy in Procurement of Weld Wire.Wire Used in post-weld,heat-treated Weldments Was Tested for Only as-welded Condition | |
ML19316B117 | 6 June 1980 | Final Deficiency Rept Re Electrical Connections on Back Pressure Steam Isolation Dampers Mfg by American Warming & Ventilating,Inc.Mfg Has Agreed to 100% Insp & Replacement Program,To Be Completed by 801231 | Safe Shutdown |
ML19318B624 | 20 June 1980 | Final Deficiency Rept Re Defect in 4 Kv Switchgear Circuit Breaker Auxiliary Switch Crank Assembly.Insp Will Be Conducted on Switchgear & Nuts Will Be Secured on Assembly Studs to Prevent Loosening,By 801231 | Safe Shutdown |
ML19320B081 | 2 July 1980 | Deficiency Rept Re Colt Industries Emergency Diesel Generator Heat Exchangers.Deviation Between Configuration of High Heat Exchanger Stack on Generator Skid & Configuration Analyzed in Seismic Rept Detected | |
ML19320B085 | 16 January 1980 | Part 21 Rept Re Colt Emergency Diesel Generator Heat Exchangers.Deviation Between Configuration of High Heat Exchanger Stack on Generator Skid & Configuration Analyzed in Seismic Rept Detected | |
ML19320B087 | 13 June 1980 | Part 21 Rept Re Colt Emergency Diesel Generator Heat Exchangers.Units 6 & 7 Have Been Corrected by Fitting Shims at Bolted Interface Between Generator Skid & Heat Exchanger Mounting Feet | |
ML19321A810 | 1 July 1980 | Part 21 Rept Re Defective Rosemount Trip/Calibr Units & Transmitters Supplied by Ge.Caused by Failure of Essential Switch That Determines Trip Output Logic.Output of Defective Units Will Be Corrected Per GE Instructions | |
ML19321A896 | 8 July 1980 | Interim Part 21 Rept Re Defective Itt Actuators in Dampers. Customer Notification Encl.Jobs Classified Nonnuclear safety-related Are Not Reportable.Actuators Supplied for Other Jobs Are Considered Purchaser Responsibility | |
ML19321B037 | 1 July 1980 | Part 21 Rept Re Defective GE Crimp Pins in Electrical Connectors.Cause Not Stated.Encl GE Rept States That QA Procedures Have Been Modified to Preclude Defective Crimping in Future | |
ML19323G137 | 25 April 1980 | Interim Deficiency Rept Re Primary Containment Relief Valves Potential Significant Deficiency.Determination of Corrective Action Scheduled for 800522 | |
ML19323G423 | 23 May 1980 | Second Interim Rept Re Potential Deficiency in Primary Containment Relief Valves.Initial Analysis Indicates Hinge Block Mounting Studs Inadequate.Revised Analysis by 800630 | |
ML19323G817 | 30 April 1980 | Final Deficiency Rept Re Electrical Raceway Separation.Field Const Identified Exposed Seismic Class 1 Raceway,Conduit & Junction Box.Caused by QC Error.Qc Procedure Revised by Indoctrination of QC Engineers Conducted | |
ML19325C952 | 29 September 1989 | Part 21 Rept Re Potential Common Failure of SMB-000 & SMB-00 Cam Type Torque Switches Supplied Prior to 1981 & 1976. Vendor Recommends That Switch W/Fiber Spacer Be Replaced | |
ML19325E086 | 16 October 1989 | Followup Part 21 Rept Re Class 1E Battery Chargers W/ Transformers Running at Temps Exceeding Those Used in Qualification Rept When Operating at or Near Full Load Rating of Equipment.Listed Corrective Actions Underway | |
ML19325E457 | 20 October 1989 | Part 21 Rept Re Potential Inconsistencies in Mac Diagnostic Sys Software.Licensee to Review All Smb,Sb & Sbd Size 3 Mac Torque Test Data Using Mac Software Version 2.96 to Insure That Torque Switch Settings Meet Valve Design Requirements | |
ML19330B276 | 1 July 1980 | Significant Deficiency Rept 14 Re Defective Crimps in Electrical Connectors.Ge Rept Submitted Per 10CFR21 Provides Detailed Site Insp Info.Rept Encl | |
ML19330B281 | 25 June 1980 | Potential Significant Deficiency Rept Re Primary Containment Relief Valves Supplied by Gpe Controls.Bechtel Has Completed Review of Revised Stress Analysis Calculations.Expected Completion Date of Actions Is 800815 | |
ML19330B860 | 20 July 1980 | Part 21 Rept Re Testing Failure of safety-related Pressure Switches in Toxic Gas Monitors for Chloride.Dwyer Instruments,Inc Notified of Potential Defect & Safety Analysis Requested | |
ML19331D963 | 27 August 1980 | Advises of Completion of Investigation of Engineering Documents Re Fairbanks Morse Model 38TD8-1/8 Powered Generator Sets W/Stacked Heat Exchangers.Potential for Situation Similar to Limerick Does Not Exist | |
ML19332A674 | 2 September 1980 | Part 21 Rept Re Con/Chem Epoxy Surfacer Sys.Suppls 800812 Ltr Re Subj Item Reported by Bechtel Power Corp.Will Advise of Schedule Dates of Completion When Bechtel Engineering Studies Finalized |