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Information Notices - 1989
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| Document Number | Title | Revision | Publish Date | Reviewed Date |
|---|---|---|---|---|
| IN-89-90 | Pressurizer Safety Valve Lift Setpoint Shift | S2 | 09/05/1991 | -- |
| S1 | 04/03/1991 | -- | ||
| -- | 12/28/1989 A 12/28/1989 B | -- | ||
| IN-89-89 | Event Notification Worksheets | -- | 12/26/1989 | -- |
| IN-89-88 | Recent NRC-Sponsored Testing of Motor-Operated Valves | -- | 12/26/1989 | -- |
| IN-89-87 | Disabling of Emergency Diesel Generators by Their Neutral Ground-Fault Protection Circuitry | -- | 12/19/1989 | -- |
| IN-89-86 | Type HK Circuit Breakers Missing Close Latch Anti-Shock Springs | -- | 12/15/1989 | -- |
| IN-89-85 | EPA's Interim Final Rule on Medical Waste Tracking and Management | -- | 12/15/1989 | -- |
| IN-89-84 | Failure of Ingersoll Rand Air Start Motors as a Result of Pinion Gear Assembly Fitting Problems | -- | 12/12/1989 | -- |
| IN-89-83 | Sustained Degraded Voltage on the Offsite Grid and Loss of Other Generating Stations as a Result of a Plant Trip | -- | 12/11/1989 | -- |
| IN-89-82 | Recent Safety-Related Incidents at Large Irradiators | -- | 12/07/1989 | -- |
| IN-89-81 | Inadequate Control of Temporary Modifications to Safety-Related Systems | -- | 12/06/1989 | -- |
| IN-89-80 | Potential for Water Hammer, Thermal Stratification, and Steam Binding in High-Pressure Coolant Injection Piping | -- | 12/01/1989 | -- |
| IN-89-79 | Degraded Coatings and Corrosion of Steel Containment Vessels | S1 | 06/29/1990 | -- |
| -- | 12/01/1989 | -- | ||
| IN-89-78 | Failure of Packing Nuts on One-Inch Uranium Hexafluoride Cylinder Valves | -- | 11/22/1989 | -- |
| IN-89-77 | Debris in Containment Emergency Sumps and Incorrect Screen Configurations | S1 | 12/03/1993 | -- |
| -- | 11/21/1989 | -- | ||
| IN-89-76 | Biofouling Agent: Zebra Mussel | -- | 11/21/1989 | -- |
| IN-89-75 | Falsification of Welder Qualifications for Contractor Employees | -- | 11/20/1989 A 11/20/1989 B | -- |
| IN-89-74 | Clarification of Transportation Requirements Applicable to Return of Spent Radiopharmacy Dosages from Users to Suppliers | -- | 11/07/1989 | -- |
| IN-89-73 | Potential Overpressurization of Low Pressure Systems | -- | 11/01/1989 | -- |
| IN-89-72 | Failure of Licensed Senior Operators to Classify Emergency Events Properly | -- | 10/24/1989 | -- |
| IN-89-71 | Diversion of the Residual Heat Removal Pump Seal Cooling Water Flow During Recirculation Operation Following a LOCA | -- | 10/19/1989 | -- |
| IN-89-70 | Possible Indications of Misrepresented Vendor Products | S1 | 04/26/1990 | -- |
| -- | 10/11/1989 | -- | ||
| IN-89-69 | Loss of Thermal Margin Caused by Channel Box Bow | S1 | 08/25/2003 | -- |
| -- | 09/29/1989 | -- | ||
| IN-89-68 | Evaluation of Instrument Setpoints During Modifications | -- | 09/25/1989 | -- |
| IN-89-67 | Loss of Residual Heat Removal Caused by Accumulator Nitrogen Injection | -- | 09/13/1989 | -- |
| IN-89-66 | Qualification Life of Solenoid Valves | -- | 09/11/1989 | -- |
| IN-89-65 | Potential for Stress Corrosion Cracking in Steam Generator Tube Plugs Supplied by Babcock and Wilcox | -- | 09/08/1989 | -- |
| IN-89-64 | Electrical Bus Bar Failures | -- | 09/07/1989 | -- |
| IN-89-63 | Possible Submergence of Electrical Circuits Located Above the Flood Level Because of Water Intrusion and Lack of Drainage | -- | 09/05/1989 | -- |
| IN-89-62 | Malfunction of Borg-Warner Pressure Seal Bonnet Check Valves Caused by Vertical Misalignment of Disk | -- | 08/31/1989 | -- |
| IN-89-61 | Failure of Borg-Warner Gate Valves to Close Against Differential Pressure | -- | 08/30/1989 | -- |
| IN-89-60 | Maintenance of Teletherapy Units | -- | 08/18/1989 | -- |
| IN-89-59 | Suppliers of Potentially Misrepresented Fasteners | S2 | 03/07/1990 | -- |
| S1 | 12/06/1989 | -- | ||
| -- | 08/16/1989 A 08/16/1989 B | -- | ||
| IN-89-58 | Disablement of Turbine-Driven Auxiliary Feedwater Pump Due to Closure of One of the Parellel Steam Supply Valves | -- | 08/03/1989 | -- |
| IN-89-57 | Unqualified Electrical Splices in Vendor-Supplied Environmentally Qualified Equipment | -- | 07/26/1989 | -- |
| IN-89-56 | Questionable Certification of Material Supplied to the Defense Department by Nuclear Suppliers | S2 | 07/19/1991 | -- |
| S1 | 11/22/1989 | -- | ||
| -- | 07/20/1989 | -- | ||
| IN-89-55 | Degradation of Containment Isolation Capability by a High-Energy Line Break | -- | 06/30/1989 | -- |
| IN-89-54 | Potential Overpressurization of the Component Cooling Water System | -- | 06/23/1989 | -- |
| IN-89-53 | Rupture of Extraction Steam Line on High Pressure Turbine | -- | 06/13/1989 | -- |
| IN-89-52 | Potential Fire Damper Operational Problems | -- | 06/08/1989 | -- |
| IN-89-51 | Potential Loss of Required Shutdown Margin During Refueling Operations | -- | 05/31/1989 | -- |
| IN-89-50 | Inadequate Emergency Diesel Generator Fuel Supply | -- | 05/30/1989 | -- |
| IN-89-49 | Failure to Close Service Water Cross-Connect Isolation Valves | -- | 05/22/1989 | -- |
| IN-89-48 | Design Deficiency in the Turbine-Driven Auxiliary Feedwater Pump Cooling Water System | -- | 05/22/1989 | -- |
| IN-89-47 | Potential Problems with Worn or Distorted Hose Clamps on Self-Contained Breathing Apparatus | -- | 05/18/1989 | -- |
| IN-89-46 | Confidentiality of Exercise Scenarios | -- | 05/11/1989 | -- |
| IN-89-45 | Metalclad, Low-Voltage Power Circuit Breakers Refurbished with Substandard Parts | S2 | 12/15/1989 | -- |
| S1 | 07/06/1989 | -- | ||
| -- | 05/08/1989 | -- | ||
| IN-89-44 | Hydrogen Storage on the Roof of the Control Room | -- | 04/27/1989 | -- |
| IN-89-43 | Permanent Deformation of Torque Switch Helical Springs in Limitorque SMA-Type Motor Operators | -- | 05/01/1989 | -- |
| IN-89-42 | Failure of Rosemount Models 1153 and 1154 Transmitters | -- | 04/21/1989 | -- |
| IN-89-41 | Operator Response to Pressurization of Low-Pressure Interfacing Systems | -- | 04/20/1989 | -- |
| IN-89-40 | Unsatisfactory Operator Test Results and Their Effect on the Requalification Program | -- | 04/14/1989 | -- |
| IN-89-39 | List of Parties Excluded from Federal Procurement or Non-Procurement Programs | -- | 04/05/1989 | -- |
| IN-89-38 | Atmospheric Dump Valve Failures at Palo Verde Units 1, 2, and 3 | -- | 04/05/1989 | -- |
| IN-89-37 | Proposed Amendments to 40 CFR Part 61, Air Emission Standards for Radionuclides | -- | 04/04/1989 | -- |
| IN-89-36 | Excessive Temperature in Emergency Core Cooling System Piping Located Outside Containment | -- | 04/04/1989 | -- |
| IN-89-35 | Loss and Theft of Unsecured Licensed Material | -- | 03/30/1989 A 03/30/1989 B | -- |
| IN-89-34 | Disposal of Americium Well-Logging Sources | -- | 03/30/1989 | -- |
| IN-89-33 | Potential Failure of Westinghouse Steam Generator Tube Mechanical Plugs | -- | 03/23/1989 | -- |
| IN-89-32 | Surveillance Testing on Low-Temperature Overpressure-Protection Systems | S1 | 02/12/1991 | -- |
| -- | 03/23/1989 | -- | ||
| IN-89-31 | Swelling and Cracking of Hafnium Control Rods | -- | 03/22/1989 | -- |
| IN-89-30 | High Temperature Environments at Nuclear Power Plants | S1 | 11/01/1990 | -- |
| -- | 03/15/1989 | -- | ||
| IN-89-29 | Potential Failure of ASEA Brown Boveri Circuit Breakers During Seismic Event | -- | 03/15/1989 | -- |
| IN-89-28 | Weight and Center of Gravity Discrepancies for Copes-Vulcan Air-Operated Valves | -- | 03/14/1989 | -- |
| IN-89-27 | Limitations on the Use of Waste Forms and High Integrity Containers for the Disposal of Low-Level Radioactive Waste | -- | 03/08/1989 | -- |
| IN-89-26 | Instrument Air Supply to Safety-Related Equipment | -- | 03/07/1989 | -- |
| IN-89-25 | Unauthorized Transfer of Ownership or Control of Licensed Activities | 1 | 12/07/1994 | -- |
| -- | 03/07/1989 | -- | ||
| IN-89-24 | Nuclear Criticality Safety | -- | 03/06/1989 | -- |
| IN-89-23 | Environmental Qualification of Litton-Veam CIR Series Electrical Connectors | -- | 03/03/1989 | -- |
| IN-89-22 | Questionable Certification of Fasteners | -- | 03/03/1989 | -- |
| IN-89-21 | Changes in Performance Characteristics of Molded-Case Circuit Breakers | -- | 02/27/1989 | -- |
| IN-89-20 | Weld Failures in a Pump of Byron-Jackson Design | -- | 02/24/1989 | -- |
| IN-89-18 | Criminal Prosecution of Wrongdoing Committed by Suppliers of Nuclear Products or Services | S1 | 08/24/1990 | -- |
| -- | 02/22/1989 | -- | ||
| IN-89-17 | Contamination and Degradation of Safety-Related Battery Cells | -- | 02/22/1989 | -- |
| IN-89-16 | Excessive Voltage Drop in DC Systems | -- | 02/16/1989 | -- |
| IN-89-15 | Second Reactor Coolant Pump Shaft Failure at Crystal River | -- | 02/16/1989 | -- |
| IN-89-14 | Inadequate Dedication Process for Commercial-Grade Components which Could Lead to Common Mode Failure of a Safety System | -- | 02/16/1989 | -- |
| IN-89-13 | Alternate Waste Management Procedures in Case of Denial of Access to Low-Level Waste Disposal Sites | -- | 02/08/1989 | -- |
| IN-89-12 | Dose Calibrator Quality Control | -- | 02/09/1989 | -- |
| IN-89-11 | Failure of DC Motor-Operated Valves to Develop Rated Torque Because of Improper Cable Sizing | -- | 02/02/1989 | -- |
| IN-89-10 | Undetected Installation Errors in Main Steam Line Tunnel Differential Temperature-Sensing Elements at BWRs | -- | 01/27/1989 | -- |
| IN-89-09 | Credit for Control Rods Without Scram Capability in the Calculation of the Shutdown Margin | -- | 01/26/1989 | -- |
| IN-89-08 | Pump Damage Caused by Low-Flow Operation | -- | 01/26/1989 | -- |
| IN-89-07 | Failures of Small-Diameter Tubing in Control Air, Fuel Oil, and Lube Oil Systems Render Emergency Diesels Inoperable | -- | 01/25/1989 | -- |
| IN-89-06 | Bent Anchor Bolts in Boiling Water Reactor Torus Supports | -- | 01/24/1989 | -- |
| IN-89-05 | Use of Deadly Force by Guards Protecting Nuclear Power Reactors Against Radiological Sabotage | -- | 01/19/1989 | -- |
| IN-89-04 | Potential Problems from the Use of Space Heaters | -- | 01/17/1989 | -- |
| IN-89-03 | Potential Electrical Equipment Problems | -- | 01/11/1989 | -- |
| IN-89-02 | Criminal Prosecution of Licensee's Former President for Intentional Safety Violations | -- | 01/09/1989 | -- |
| IN-89-01 | Valve Body Erosion | -- | 01/04/1989 | -- |
Page Last Reviewed/Updated Thursday, January 09, 2025
Page Last Reviewed/Updated Thursday, January 09, 2025