Semantic search

Jump to navigation Jump to search
 Issue dateTitleTopic
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 Off22 December 1987Part 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 Outage22 April 1983Part 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 OutageDesign 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 Program26 April 1983Supplemental 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 Determination18 October 1985Part 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 230 October 1987Part 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 Valves1 May 1989Part 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 Problem29 April 1991Part 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 Encl10 November 1986Part 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 Verde26 October 1984Part 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 Installed30 October 1997Part 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
ML17223A74526 January 1990Part 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
ML17261A53018 June 1987Part 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
ML17354B0979 September 1998Part 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
ML18036A0796 May 1980Part 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
ML18038A8977 September 1994Part 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
ML18093A8286 May 1988Part 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
ML18096B2421 February 1993Part 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
ML18106B04429 January 1999Part 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
ML18106B0551 February 1999Part 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
ML18106B09325 February 1999Part 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
ML18107A3441 June 1999Interim 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
ML18153C1012 February 1990Part 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
ML19257A45628 September 1979Part 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
ML19257C9708 January 1980Part 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
ML19270G09130 April 1979Significant Deficiency Rept 8:limitorque Locknut Installation Deficiency
ML19290B66026 September 1979Interim 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
ML19290E03218 January 1980Second 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
ML19305C7533 March 1980Interim 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
ML19309F69230 April 1980Final 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
ML19309F9288 April 1980Supplementary 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
ML19309G7662 May 1980Potential 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
ML19316B1176 June 1980Final 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 801231Safe Shutdown
ML19318B62420 June 1980Final 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 801231Safe Shutdown
ML19320B0812 July 1980Deficiency 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
ML19320B08516 January 1980Part 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
ML19320B08713 June 1980Part 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
ML19321A8101 July 1980Part 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
ML19321A8968 July 1980Interim 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
ML19321B0371 July 1980Part 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
ML19323G13725 April 1980Interim Deficiency Rept Re Primary Containment Relief Valves Potential Significant Deficiency.Determination of Corrective Action Scheduled for 800522
ML19323G42323 May 1980Second Interim Rept Re Potential Deficiency in Primary Containment Relief Valves.Initial Analysis Indicates Hinge Block Mounting Studs Inadequate.Revised Analysis by 800630
ML19323G81730 April 1980Final 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
ML19325C95229 September 1989Part 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
ML19325E08616 October 1989Followup 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
ML19325E45720 October 1989Part 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
ML19330B2761 July 1980Significant Deficiency Rept 14 Re Defective Crimps in Electrical Connectors.Ge Rept Submitted Per 10CFR21 Provides Detailed Site Insp Info.Rept Encl
ML19330B28125 June 1980Potential 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
ML19330B86020 July 1980Part 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
ML19331D96327 August 1980Advises 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
ML19332A6742 September 1980Part 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