[SFRA-L] title of story?

[Frisch, Adam]

One of my continuing education students has been desperately trying to find out the author and title of an sf short story he read a number of years ago.  I don't recognize it; do any of you?

Adam.Frisch at Briarcliff.edu

Here is a summary - at least what I can remember - of the story I am trying to find: A man who is the pilot or something of a ship is trapped on board because of a malfunctioning robot or machine of some nature; it might be a medical droid because I remember the man reflecting on the fact that the robot's duty is the preservation of human life in some capacity. The man is trapped because the machine attacks at the sign of any movement. All through the story the man tries to find some way to escape and, at some point, has his ribs broken which puncture his lung. There may have been another person with him that was killed by the machine. At the end of the story the man has the brilliant idea of flashing a light of some kind - maybe a flashlight - on the wall which has the 'brains' of the machine behind it. The robot/machine attacks the flashing light on the wall and smashes through it, thereby destroying its own computer center. The robot/machine is disabled and the man is free to escape-end of story.
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