United States Nuclear Regulatory Commission - Protecting People and the Environment

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 --
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 --
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 --
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 --
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 Tuesday, September 01, 2015