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| Issue date | Title | Topic | |
|---|---|---|---|
| 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 | |
| ML19309G101 | 25 April 1980 | First Interim Deficiency Rept Re Defects in Rosemount Trip/Calibr Units.Switch Failed Due to Malfunction open- Ciruiting Logic.Capacitor in Pressure Transmitter Failed Above 175 F.Defective Components Under Investigation | |
| ML19309H078 | 25 April 1980 | Interim Deficiency Rept Re Defects in Rosemount Trip/Calibr Units.Final Rept Will Be Forwarded by 800620 | |
| ML19310A179 | 8 May 1980 | Forwards CTI-Nuclear 800503 Part 21 Rept Re Potential Failure of Mcgraw Edison Device Used in CTI-Nuclear Electronic Control Circuit for Detecting High Temps in Airstream in Various Air Filtration Sys | |
| ML19310A300 | 4 June 1980 | First Interim Deficiency Rept Re Standby Gas Treatment Sys Charcoal Adsorbers.Charcoal Retention Screens Separating from Frames Due to Improper or Broken Spot Welds.Vendor, CTI-Nuclear,investigating Problem.Final Rept by 800820 | |
| ML19312D168 | 14 March 1980 | Final Deficiency Rept Re Use of Incorrect Concrete Mix in Shield Bldg Wall.Matls Engineer Failed to Consult Drawing for Determination of Correct Concrete Mix.Compressive Strength Tests Performed Indicated Acceptability for Use | |
| ML19312D183 | 14 March 1980 | Suppl to Final Deficiency Rept Re Inadequate Matl Traceability on Bergen-Paterson Component Support Attachments.Util Obtained Resolution on Remaining Certification of Attachments for 18 Pipe Hangers | |
| ML19312E326 | 29 May 1980 | Second Interim Deficiency Rept Re Weld Deficiencies on Reactor Pressure Vessel Shield Wall.All Backing Bars Removed from Weld Joints Between Stiffeners & Shell Plate. Welds Will Be Repaired | |
| ML19318B332 | 20 June 1980 | Second Interim Deficiency Rept Re Defects in Rosemount Trip/ Calibr Units.Util & GE Investigations Re Quantity of Model 1152 Pressure Transmitters Shipped Continuing.Final Rept Will Be Submitted by 800917 | |
| ML19320B496 | 3 July 1980 | Second Interim Deficiency Rept Re Cracks in Reactor Pressure Vessel Shield Wall.Discovered Base Metal Cracks in Shield Wall Inner Shell Plates.Evaluation Revealed Crack Initiated at Toe of Tack Weld Bead of Backing Strip | |
| ML19320C470 | 17 June 1980 | Part 21 Rept Re Potential Defect in Air Conditioning Units in Facilities.Detailed Info Will Be Provided to Assist Determination of Significant Safety Hazard | |
| ML19320C475 | 20 June 1980 | Part 21 Rept of Potentially Defective Rosemount,Inc Transmitter in Control Sys of Air Conditioning Units.Info Is Provided to Assist in Determination of Significance as Safety Hazard | |
| ML19321A500 | 18 July 1980 | Final Deficiency Rept Re Omitted Heaters from Reliance Electric Co Motor Operator.Deficient Motor Will Be Replaced by 801130.GE Will Review Vendor QA Program to Assure Proper Implementation | Safe Shutdown |
| 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 | |
| ML19321B228 | 12 April 1976 | Fourth Interim Deficiency Rept Re Upper Stressing Head for Rock Anchor.Util & post-tensioning Contractor Metallurgical Investigations Are Incomplete.Record of Matl Furnished by Contractor Will Appear in Final Rept | |
| ML19323C361 | 8 May 1980 | Third Interim Deficiency Rept Re Thermocouple Wiring for Makeup & Purification & Decay Heat Removal Pump Motors W/ Indications of Overheating During Equipment Insp.Damage to Thermocouple Leads Mechanical & Not Caused by Overheating | |
| ML19323D862 | 3 May 1980 | Deficiency Rept Re Failure of Mcgraw Edison Electronic Control Circuit for Detecting High Temps in Air Filtration Sys.Caused by Acid Flux Used in Sealing.Recall Notice Issued.Permanent Solution to Be Implemented by 800829 | |
| ML19323E409 | 7 May 1980 | Sixth Interim Deficiency Rept Re Tensile Anchor Capacities Lower than Design Allowable.Testing & Evaluation Programs for Welded Stud Anchors W/Flexible Plate Connections in Progress | |
| ML19323G645 | 2 June 1980 | Final Deficiency Rept Re Unacceptable Bending of Welded Stud Anchors on Embedded Plates.Testing Program Was Initiated. Bending of Studs Has No Significant Effect on Stud Capacity. Lists Guidelines for Max Bending of Stud Anchors | |
| ML19323H280 | 4 June 1980 | Interim Deficiency Rept Re Failure by Atlas Machine & Iron Works to Implement QA Procedures for Steam Tunnel Embedment Stiffener Plate Weld.Stiffener Plate NCR-10 Welded Per QA Requirements & Aid for Atlas QA Program Contracted | |
| ML19324A085 | 13 June 1980 | Final Deficiency Rept Re Defective Temp Detection Controller in Standby Gas Treatment Sys.Electronic Temp Detection Controller Failed in Svc.Caused by Acid Flux Solder Sealing Controls.Controllers to Be Replaced W/Certified Controllers | |
| 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 | |
| ML19329F897 | 2 July 1980 | First Interim Deficiency Rept on Rosemount Model 1152 Pressure Transmitter Defects.During Testing,Ge Found Ambiguous Output to Over & Underpressure Conditions.Review to Determine Number of Transmitters on Location Underway | |
| ML19330A905 | 24 July 1980 | Final Deficiency Rept 4 Re Deficient Welds Found on Anchor Bolt Chair & Containment Shell & Base Plate.Caused by Qa/Qc Inspectors Not Allowing Welds to Pass Insp.Task Force & Retraining & Recertification Program Initiated | Time of Discovery |
| ML19330B736 | 30 July 1980 | Second Interim Deficiency Rept Re Improperly Completed Visual Insp Records for Welds of Structural Steel Annulus Floor Framing.Caused by Welding Inspector Completing Records Before Welds Were Made.Reinsp of Welds Underway | |
| ML19330C059 | 18 July 1980 | Part 21 Rept Re Possibility That Improper Installation in Both Power Channels of Essential Instrument Control Sys of Bailey Control Co Current or Voltage Buffer Cards in Buffer Modules Could Result in Loss of Power to Both Channels | |
| ML19331C570 | 7 August 1980 | Part 21 Rept Re Inadequate Electrical Separation in Nuclear Sys Protection Sys Power Distribution Panels.Schedule for Rectification Will Be Presented 800822 | |
| ML19331C836 | 11 August 1980 | Final Deficiency Rept Re Anchor Spacing on surface-mounted Plates.Util Will Remount All Nonconforming Plates W/Anchors Which Meet Spacing Requirements of Spec 300-06,Revision 6. All Work Will Be Completed by 801114 | |
| ML19331C947 | 15 August 1980 | Final Deficiency Rept Re Inadequate Design of Condensate Header Line Support.Condensate Header Line Was Designed on Steel Beams W/O Local Reinforcing at Pipe Wall.Pipe Support Design Revised by Adding Spreader to Pipe Wall Support | |
| ML19331D967 | 24 July 1980 | Final Deficiency Rept Re Containment Anchor Bolt Chair Welds.All Identified Deficient Welds Will Be Repaired to Original Specs & Repaired Areas Tested.Investigation Conducted on Previously Accepted Welds | Time of Discovery |
| ML19331E242 | 28 August 1980 | Final Deficiency Rept Re Wiring Discrepancies in High Pressure Core Spray metal-clad Switchgear.Defective SB-12 Switches Replaced.Hardware Corrections Will Be Completed by 810130 & Software Corrections by 810630 | |
| ML19331E244 | 29 August 1980 | Final Interim Deficiency Rept Re 6-inch Borg-Warner Gate Valves.Valves May Fail Due to Error in Design.Gate Could Disengage from Guide,When Valve in Backseat Position.Valve Failure May Lead to RHR Sys Degradation | |
| ML19331E245 | 29 August 1980 | Final Interim Deficiency Rept Re Wiring Discrepancies on HPCS Components.Discrepancies Involve Wiring Terminations Not Matching Wiring Diagrams,Missing Wires & Nonlabeling of Parts.Components Will Be Reworked | |
| ML19332A074 | 11 August 1980 | Final Deficiency Rept Re Improper Anchor Spacing on surface- Mounted Plates.All Improperly Installed surface-mounted Plates Have Been Identified & Will Be Remounted by 801114 | |
| ML19332A668 | 3 September 1980 | Part 21 Rept Re Design Deficiencies in Nuclear Sys Protection Sys Power Distribution Panels.Panels Returned to GE for Redesign & Rework to Corrected Design | Hot Short |
| ML19337A654 | 19 September 1980 | Second Interim Deficiency Rept Re Steam Tunnel Embedment Stiffner Plate Weld.Cause Not Stated.Util Continuing to Monitor Atlas QA Program to Help Correct Deficiencies | |
| ML19337A851 | 24 September 1980 | Third Interim Deficiency Rept Re Reactor Pressure Vessel Shield Wall Weld.Investigation Is Continuing & Repairs Will Be Made as Required.Final Rept Should Be Submitted by 801224 | |
| ML19337B589 | 3 October 1980 | Third Interim Deficiency Rept Re Cracks in Reactor Pressure Vessel Wall.Licensee Will Repair Cracks in Wall.Awaiting GE Approval of Recommended Disposition & Repair Procedures.Will Submit Final Rept by 810101 | |
| ML19338E053 | 17 September 1980 | Second Interim Deficiency Rept Re Rosemount Model 1152 Pressure Transmitter Defects.Util Is Preparing Lists of Rosemount 1151 & 1152 Transmitters for GE to Analyze & Replace If Necessary.Final Rept Will Be Provided by 810403 | |
| ML19338E060 | 15 September 1980 | Final Deficiency Rept Re Inadequate Document Control.Caused by Failure of Manual Holders to Follow Procedures in Filing or Removing Matl.Quarterly Internal Survey Will Be Conducted | |
| ML19339B302 | 24 October 1980 | Part 21 Rept Re 480-volt MCC Control Transformer Fuses, Reported on 800808.Awaiting Assessment by vendor,Gould-Brown Boveri.Next Rept by 810116 | |
| ML19339C737 | 6 November 1980 | Part 21 Rept Re Borg Warner 3-inch Motor Operated Gate Valves.Valve Failure to Close Completely Caused by Lack of Proper Guiding & High Bearing Stress Between Gates & Seats. Next Rept to Be Submitted 810213 | |
| ML19340C090 | 7 November 1980 | Third Interim Deficiency Rept Re Welding of Structural Annulus Floor Framing.Util Finalizing Records Search to Identify Welding Insps.Checks Will Be Made to Determine Nature of Deficiency.Next Rept Will Be Sent 810220 | |
| ML19340C124 | 3 October 1980 | Third Interim Deficiency Rept Originally Reported on 800314 Re Cracks in Reactor Pressure Vessel Shield Wall.Cracks to Be Repaired After GE Approves Recommended Disposition & Repair Procedure.Final Rept Expected by 810101 | |
| ML19340D386 | 18 December 1980 | Final Deficiency Rept Re Lack of Steam Tunnel Embedment Stiffner Plate Weld,Initially Reported on 800505.Caused by Inadequacy of Manufacturer QA Program.Missing Weld Has Been Added & Inspected.Qa Program Audit Conducted | |
| ML19340D597 | 22 December 1980 | Fourth Interim Deficiency Rept Initially Reported 800215 Re Reactor Pressure Vessel Shield Wall Deficiencies.Addl Unacceptable Welds Found & Documented in HNP-A-115.Final Rept by 810602 | |
| ML19341C932 | 26 February 1981 | First Interim Deficiency Rept,Originally Reported on 810127 & 0203,re Deficient Drawing & Document Control.Sixteen Drawings Not Mutilated When New Revisions Received & Drawings Not Updated.Will Submit Final Rept by 810316 | |
| ML19343B501 | 8 December 1980 | Part 21 Rept Re Reactor Protection Sys Flexible Conduit Defect Causing Hot Shorts If Improperly Grounded.Caused by Paint on Panel Surfaces or High Resistance Connection to Panel Survaces Where Termination Modules Are Mounted | Hot Short |
| ML19343C524 | 16 March 1981 | Final Deficiency Rept 2 Re Failure to Provide Recipients w/up-to-date Revisions of 12 CF Braun Specs & Associated Engineering Change Notices,Initially Reported on 810127 & 0203.Superseded Documents Replaced W/Current Revisions |