Information Notices - 1989
| File Name | Date | Description |
|---|---|---|
in8969s1  |
08/25/2003 | Shadow Corrosion Resulting in Fuel Channel Bowing |
| in89025r1 | 12/07/1994 | Unauthorized Transfer of Ownership or Control of Licensed Activities |
| in89077s1 | 12/03/1993 | Debris in Containment Emergency Sumps and Incorrect Screen Configurations |
| in89090s2 | 09/05/1991 | Pressurizer Safety Valve Lift Setpoint Shift |
| in89056s2 | 07/19/1991 | Questionable Certification of Material Supplied to the Defense Department by Nuclear Suppliers |
| in89090s1 | 04/03/1991 | Pressurizer Safety Valve Lift Setpoint Shift |
| in89032s1 | 02/12/1991 | Surveillance Testing on Low-Temperature Overpressure-Protection Systems |
| in89030s1 | 11/01/1990 | High Temperature Environments at Nuclear Power Plants |
| in89079s1 | 06/29/1990 | Degraded Coatings and Corrosion of Steel Containment Vessels |
| in89070s1 | 04/26/1990 | Possible Indications of Misrepresented Vendor Products |
| in89059s2 | 03/07/1990 | Suppliers of Potentially Misrepresented Fasteners |
| in89090 | 12/28/1989 | Pressurizer Safety Valve Lift Setpoint Shift |
| in89089 | 12/26/1989 | Event Notification Worksheets |
| in89088 | 12/26/1989 | Recent NRC-Sponsored Testing of Motor-Operated Valves |
| in89087 | 12/19/1989 | Disabling of Emergency Diesel Generators by Their Neutral Ground-Fault Protection Circuitry |
| in89085 | 12/15/1989 | EPA's Interim Final Rule on Medical Waste Tracking and Management |
| in89086 | 12/15/1989 | Type HK Circuit Breakers Missing Close Latch Anti-Shock Springs |
| in89045s2 | 12/15/1989 | Metalclad, Low-Voltage Power Circuit Breakers Refurbished with Substandard Parts |
| in89084 | 12/12/1989 | Failure of Ingersoll Rand Air Start Motors as a Result of Pinion Gear Assembly Fitting Problems |
| in89083 | 12/11/1989 | Sustained Degraded Voltage on the Offsite Grid and Loss of Other Generating Stations as a Result of a Plant Trip |
| in89082 | 12/07/1989 | Recent Safety-Related Incidents at Large Irradiators |
| in89081 | 12/06/1989 | Inadequate Control of Temporary Modifications to Safety-Related Systems |
| in89059s1 | 12/06/1989 | Suppliers of Potentially Misrepresented Fasteners |
| in89080 | 12/01/1989 | Potential for Water Hammer, Thermal Stratification, and Steam Binding in High-Pressure Coolant Injection Piping |
| in89079 | 12/01/1989 | Degraded Coatings and Corrosion of Steel Containment Vessels |
| in89078 | 11/22/1989 | Failure of Packing Nuts on One-Inch Uranuim Hexafluoride Cylinder Valves |
| in89056s1 | 11/22/1989 | Questionable Certification of Material Supplied to the Defense Department by Nuclear Suppliers |
| in89077 | 11/21/1989 | Debris in Containment Emergency Sumps and Incorrect Screen Configurations |
| in89076 | 11/21/1989 | Biofouling Agent: Zebra Mussel |
| in89075 | 11/20/1989 | Falsification of Welder Qualifications for Contractor Employees |
| in89074 | 11/07/1989 | Clarification of Transportation Requirements Applicable to Return of Spent Radiopharmacy Dosages from Users to Suppliers |
| in89073 | 11/01/1989 | Potental Overpressurization of Low Pressure Systems |
| in89072 | 10/24/1989 | Failure of Licensed Senior Operators to Classify Emergency Events Properly |
| in89071 | 10/19/1989 | Diversion of the Residual Heat Removal Pump Seal Cooling Water Flow During Recirculation Operation Following a LOCA |
| in89070 | 10/11/1989 | Possible Indications of Misrepresentated Vendor Products |
| in89069 | 09/29/1989 | Loss of Thermal Margin Caused by Channel Box Bow |
| in89068 | 09/25/1989 | Evaluation of Instrument Setpoints During Modifications |
| in89067 | 09/13/1989 | Loss of Residual Heat Removal Caused by Accumulator Nitrogen Injection |
| in89066 | 09/11/1989 | Qualification Life of Solenoid Valves |
| in89065 | 09/08/1989 | Potential for Stress Corrosion Cracking in Steam Generator Tube Plugs Supplied by Babcock and Wilcox |
| in89064 | 09/07/1989 | Electrical Bus Bar Failures |
| in89063 | 09/05/1989 | Possible Submergence of Electrical Circuits Located Above the Flood Level Because of Water Intrusion and Lack of Drainage |
| in89062 | 08/31/1989 | Malfunction of Borg-Warner Pressure Seal Bonnet Check Valves Caused by Vertical Misalignment of Disk |
| in89061 | 08/30/1989 | Failure of Borg-Warner Gate Valves to Close Against Differential Pressure |
| in89060 | 08/18/1989 | Maintenance of Teletherepy Units |
| in89059 | 08/16/1989 | Suppliers of Potentially Misrepresented Fasteners |
| in89058 | 08/03/1989 | Disablement of Turbine-Driven Auxiliary Feedwater Pump Due to Closure of One of the Parrellel Steam Supply Valves |
| in89057 | 07/26/1989 | Unqualified Electrical Splices in Vendor-Supplied Environmentally Qualified Equipment |
| in89056 | 07/20/1989 | Questionable Certification of Material Supplied to the Defense Department by Nuclear Suppliers |
| in89045s1 | 07/06/1989 | Metalclad, Low-Voltage Power Circuit Breakers Refurbished with Substandard Parts |
| in89055 | 06/30/1989 | Degradation of Containment Isolation Capability by a High-Energy Line Break |
| in89054 | 06/23/1989 | Potential Overpressurization of the Component Cooling Water System |
| in89053 | 06/13/1989 | Rupture of Extraction Steam Line on High Pressure Turbine |
| in89052 | 06/08/1989 | Potential Fire Damper Operational Problems |
| in89051 | 05/31/1989 | Potential Loss of Required Shutdown Margin During Refueling Operations |
| in89050 | 05/30/1989 | Inadequate Emergency Diesel Generator Fuel Supply |
| in89049 | 05/22/1989 | Failure to Close Service Water Cross-Connect Isolation Valves |
| in89048 | 05/22/1989 | Design Deficiency in the Turbine-Driven Auxiliary Feedwater Pump Cooling Water System |
| in89047 | 05/18/1989 | Potential Problems with Worn or Distorted Hose Clamps on Self-Contained Breathing Apparatus |
| in89046 | 05/11/1989 | Confidentiality of Exercise Scenarios |
| in89045 | 05/08/1989 | Metalclad, Low-Voltage Power Circuit Breakers Refurbished with Substandard Parts |
| in89043 | 05/01/1989 | Permanent Deformation of Torque Switch Helical Springs in Limitorque SMA-Type Motor Operators |
| in89044 | 04/27/1989 | Hydrogen Storage on the Roof of the Control Room |
| in89042 | 04/21/1989 | Failure of Rosemount Models 1153 and 1154 Transmitters |
| in89041 | 04/20/1989 | Operator Response to Pressurization of Low-Pressure Interfacing Systems |
| in89040 | 04/14/1989 | Unsatisfactory Operator Test Results and Their Effect on the Requalification Program |
| in89038 | 04/05/1989 | Atmospheric Dump Valve Failures at Palo Verde Units 1, 2, and 3 |
| in89039 | 04/05/1989 | List of Parties Excluded from Federal Procurement or Non-Procurement Programs |
| in89037 | 04/04/1989 | Proposed Amendments to 40 CFR Part 61, Air Emission Standards for Radionuclides |
| in89036 | 04/04/1989 | Excessive Temperature in Emergency Core Cooling System Piping Located Outside Containment |
| in89034 | 03/30/1989 | Disposal of Americium Well-Logging Sources |
| in89035 | 03/30/1989 | Loss and Theft of Unsecured Licensed Material |
| in89033 | 03/23/1989 | Potential Failure of Westinghouse Steam Generator Tube Mechanical Plugs |
| in89032 | 03/23/1989 | Surveillance Testing of Low-Temperature Overpressure Protection Systems |
| in89031 | 03/22/1989 | Swelling and Cracking of Hafnium Control Rods |
| in89030 | 03/15/1989 | High Temperature Environments at Nuclear Power Plants |
| in89029 | 03/15/1989 | Potential Failure of ASEA Brown Boveri Circuit Breakers During Seismic Event |
| in89028 | 03/14/1989 | Weight and Center of Gravity Discrepancies for Copes-Vulcan Air-Operated Valves |
| in89027 | 03/08/1989 | Limitations on the Use of Waste Forms and High Integrity Containers for the Disposal of Low-Level Radioactive Waste |
| in89026 | 03/07/1989 | Instrument Air Supply to Safety-Related Equipment |
| in89025 | 03/07/1989 | Unauthorized Transfer of Ownership or Control of Licensed Activities |
| in89024 | 03/06/1989 | Nuclear Criticality Safety |
| in89023 | 03/03/1989 | Environmental Qualification of Litton-Veam CIR Series Electrical Connectors |
| in89022 | 03/03/1989 | Questionable Certification of Fasteners |
| in89021 | 02/27/1989 | Changes in Performance Characteristics of Molded-Case Circuit Breakers |
| in89020 | 02/24/1989 | Weld Failures in a Pump of Byron-Jackson Design |
| in89018s1 |
08/24/1990 | Criminal Prosecution of Wrongdoing Committed by Suppliers of Nuclear Products or Services |
| in89018 | 02/22/1989 | Criminal Prosecution of Wrongdoing Committed by Suppliers of Nuclear Products or Services |
| in89017 | 02/22/1989 | Contamination and Degradation of Safety-Related Battery Cells |
| in89016 | 02/16/1989 | Excessive Voltage Drop in DC Systems |
| in89015 | 02/16/1989 | Second Reactor Coolant Pump Shaft Failure at Crystal River |
| in89014 | 02/16/1989 | Inadequate Dedication Process for Commercial-Grade Components which Could Lead to Common Mode Failure of a Safety System |
| in89012 | 02/09/1989 | Dose Calibrator Quality Control |
| in89013 | 02/08/1989 | Alternate Waste Management Procedures in Case of Denial of Access to Low-Level Waste Disposal Sites |
| in89011 | 02/02/1989 | Failure of DC Motor-Operated Valves to Develop Rated Torque Because of Improper Cable Sizing |
| in89010 | 01/27/1989 | Undetected Installation Errors in Main Steam Line Tunnel Differential Temperature-Sensing Elements at BWRs |
| in89009 | 01/26/1989 | Credit for Control Rods Without Scram Capability in the Calculation of the Shutdown Margin |
| in89008 | 01/26/1989 | Pump Damage Caused by Low-Flow Operation |
| in89007 | 01/25/1989 | Failures of Small-Diameter Tubing in Control Air, Fuel Oil, and Lube Oil Systems Render Emergency Diesels Inoperable |
| in89006 | 01/24/1989 | Bent Anchor Bolts in Boiling Water Reactor Torus Supports |
| in89005 | 01/19/1989 | Use of Deadly Force by Guards Protecting Nuclear Power Reactors Against Radiological Sabatoge |
| in89004 | 01/17/1989 | Potential Problems from the Use of Space Heaters |
| in89003 | 01/11/1989 | Potential Electrical Equipment Problems |
| in89002 | 01/09/1989 | Criminal Prosecution of Licensee's Former President for Intentional Safety Violations |
| in89001 | 01/04/1989 | Valve Body Erosion |
Page Last Reviewed/Updated Thursday, March 29, 2012
