United States Nuclear Regulatory Commission - Protecting People and the Environment

Bulletins: 1989 Index

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File Name Date Description
BL-89-01s2 06/28/1991 Failure of Westinghouse Steam Generator Tube Mechanical Plugs
BL-89-01s1 11/14/1990 Failure of Westinghouse Steam Generator Tube Mechanical Plugs
BL-89-03 11/21/1989 Potential Loss of Required Shutdown Margin During Refueling Operations
BL-89-02 07/19/1989 Stress Corrosion Cracking of High-Hardness Type 410 .. Bolting .. Anchor Darling S350W .. Swing Check Valves .. Similar
BL-89-01 05/15/1989 Failure of Westinghouse Steam Generator Tube Mechanical Plugs
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