United States Nuclear Regulatory Commission - Protecting People and the Environment

Information Notices - 1987

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Document Number Title Revision Publish Date Reviewed Date
IN-87-67 Lessons Learned from Regional Inspections of Licensee Actions in Response to IE Bulletin 80-11 -- 12/31/1987 --
IN-87-66 Inappropriate Application of Commercial-Grade Components -- 12/31/1987 --
IN-87-65 Plant Operations Beyond Analyzed Conditions -- 12/23/1987 --
IN-87-64 Conviction for Falsification of Security Training Records -- 12/22/1987 --
IN-87-63 Inadequate Net Positive Suction Head in Low Pressure Safety Systems -- 12/09/1987 --
IN-87-62 Mechanical Failure of Indicating-Type Fuses -- 12/08/1987 --
IN-87-61 Failure of Westinghouse W-2-Type Circuit Breaker Cell Switches S1 05/31/1988 --
-- 12/07/1987 --
IN-87-60 Depressurization of Reactor Coolant Systems in Pressurized-Water Reactors -- 12/04/1987 --
IN-87-59 Potential RHR Pump Loss -- 11/17/1987 --
IN-87-58 Continuous Communications Following Emergency Notifications -- 11/16/1987 --
IN-87-57 Loss of Emergency Boration Capability Due to Nitrogen Gas Intrusion -- 11/06/1987 --
IN-87-56 Improper Hydraulic Control Unit Installation at BWR Plants -- 11/04/1987 --
IN-87-55 Portable Moisture/Density Gauges: Recent Incidents of Portable Gauges Being Stolen or Lost -- 10/29/1987 --
IN-87-54 Emergency Response Exercises -- 10/23/1987 --
IN-87-53 Auxiliary Feedwater Pump Trips Resulting from Low Suction Pressure -- 10/20/1987 --
IN-87-52 Insulation Breakdown of Silicone Rubber-Insulated Single Conductor Cables During High Potential Testing -- 10/16/1987 --
IN-87-51 Failure of Low Pressure Safety Injection Pump Due to Seal Problems -- 10/13/1987 --
IN-87-50 Potential LOCA at High- and Low-Pressure Interfaces from Fire Damage -- 10/09/1987 --
IN-87-49 Deficiencies in Outside Containment Flooding Protection -- 10/09/1987 --
IN-87-48 Information Concerning the Use of Anaerobic Adhesive/Sealants -- 10/09/1987 --
IN-87-47 Transportation of Radiography Devices -- 10/05/1987 --
IN-87-46 Undetected Loss of Reactor Coolant -- 09/30/1987 --
IN-87-45 Recent Safety-Related Violations of NRC Requirements by Industrial Radiography Licensees -- 09/25/1987 --
IN-87-44 Thimble Tube Thinning in Westinghouse Reactors S1 03/28/1988 --
-- 09/16/1987 --
IN-87-43 Gaps in Neutron-Absorbing Material in High-Density Spent Fuel Storage Racks -- 09/08/1987 --
IN-87-42 Diesel Generator Fuse Contacts -- 09/04/1987 --
IN-87-41 Failures of Certain Brown Boveri Electric Circuit Breakers -- 08/31/1987 --
IN-87-40 Backseating Valves Routinely to Prevent Packing Leakage -- 08/31/1987 --
IN-87-39 Control of Hot Particle Contamination at Nuclear Power Plants -- 08/21/1987 --
IN-87-38 Inadequate or Inadvertent Blocking of Valve Movement -- 08/17/1987 --
IN-87-37 Compliance with the General License Provisions of 10 CFR Part 31 -- 08/10/1987 --
IN-87-36 Significant Unexpected Erosion of Feedwater Lines -- 08/04/1987 --
IN-87-35 Reactor Trip Breaker, Westing Failed to Open on Manual Initiation from the Control Room S1 12/16/1987 --
-- 07/30/1987 --
IN-87-34 Single Failures in Auxiliary Feedwater Systems -- 07/24/1987 --
IN-87-33 Applicability of 10 CFR Part 21 to Nonlicensees -- 07/24/1987 --
IN-87-32 Deficiencies in the Testing of Nuclear-Grade Activated Charcoal -- 07/10/1987 --
IN-87-31 Blocking, Bracing, and Securing of Radioactive Materials Packages in Transportation -- 07/10/1987 --
IN-87-30 Cracking of Surge Ring Brackets in Large General Electric Company Electric Motors -- 07/02/1987 --
IN-87-29 Recent Safety-Related Incidents at Large Irradiators -- 06/26/1987 --
IN-87-28 Air Systems Problems at U.S. Light Water Reactors S1 12/28/1987 --
-- 06/22/1987 --
IN-87-27 Iranian Official Implies Vague Threat to U.S. Resources -- 06/10/1987 --
IN-87-26 Cracks in Stiffening Rings on 48-Inch-Diameter UF6 Cylinders -- 06/11/1987 --
IN-87-25 Potentially Significant Problems Resulting from Human Error Involving Wrong Unit, Wrong Train, or Wrong Component Events -- 06/11/1987 --
IN-87-24 Operational Experience Involving Losses of Electrical Inverters -- 06/04/1987 --
IN-87-23 Loss of Decay Heat Removal During Low Reactor Coolant Level Operation -- 05/27/1987 --
IN-87-22 Operator Licensing Requalification Examinations at Nonpower Reactors -- 05/22/1987 --
IN-87-21 Shutdown Order Issued Because Licensed Operators Asleep While on Duty -- 05/11/1987 --
IN-87-20 Hydrogen Leak in Auxiliary Building -- 04/20/1987 --
IN-87-19 Perforation and Cracking of Rod Cluster Control Assemblies -- 04/09/1987 --
IN-87-18 Unauthorized Service on Teletherapy Units by Nonlicensed Maintenance Personnel -- 04/08/1987 --
IN-87-17 Response Time of Scram Instrument Volume Level Detectors -- 04/07/1987 --
IN-87-16 Degradation of Static "O" Ring Pressure Switches -- 04/02/1987 --
IN-87-15 Compliance with the Posting Requirements of Subsection 223B of the Atomic Energy Act of 1954, as Amended -- 03/25/1987 --
IN-87-14 Actuation of Fire Suppression System Causing Inoperability of Safety-Related Ventilation Equipment -- 03/23/1987 --
IN-87-13 Potential for High Radiation Fields Following Loss of Water from Fuel Pool -- 02/24/1987 --
IN-87-12 Potential Problems with Metal Clad Circuit Breakers, General Electric Type AKF-2-25 -- 02/13/1987 --
IN-87-11 Enclosure of Vital Equipment within Designated Vital Areas -- 02/13/1987 --
IN-87-10 Potential for Water Hammer During Restart of Residual Heat Removal Pumps S1 05/15/1997 --
-- 02/11/1987 --
IN-87-09 Emergency Diesel Generator Room Cooling Design Deficiency -- 02/05/1987 --
IN-87-08 Degraded Motor Leads in Limitorque DC Motor Operators -- 02/04/1987 --
IN-87-07 Quality Control of Onsite Dewatering/Solidification Operations by Outside Contractors -- 02/03/1987 --
IN-87-06 Loss of Suction to Low-Pressure Service Water System Pumps Resulting from Loss of Siphon -- 01/30/1987 --
IN-87-05 Miswiring in a Westinghouse Rod Control System -- 02/02/1987 --
IN-87-04 Diesel Generator Fails Test Because of Degraded Fuel -- 01/16/1987 --
IN-87-03 Segregation of Hazardous and Low-Level Radioactive Wastes -- 01/15/1987 --
IN-87-02 Inadequate Seismic Qualification of Diaphragm Valves by Mathematical Modeling and Analysis -- 01/13/1987 --
IN-87-01 RHR Valve Misalignment Causes Degradation of ECCS in PWRs -- 01/06/1987 --
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