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    User name Jack

    Log entry time 18:32:08 on October30,2001

    Entry number 75467

    keyword=Left arm VDC power supply

    Looking back through one of the Slow Contols' logs we can see the -5.2V power
    supply on the left arm has not been all too stable. This may be due to over heating
    of the supply. I cleaned the terminals on the back and removed a sign restricting
    the airflow. This instability was seen once upon a time on a different supply. It did
    not then have a discernable effect on the data from the VDC. Whether or not it was
    affecting the data now is speculative. At present the power supply is stable. I will
    keep an eye on it for now. All other aspects of the VDC seem normal.