Three out of four on a -747?

From:         Keith Edmunds <kae@itworks.demon.co.uk>
Organization: Midnite Hax
Date:         24 Jul 95 03:05:11 
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On more than one occasion I've noticed three contrails from a B-747.
Is it likely that one engine would be shut down?

Keith
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Keith Edmunds
Reading,   UK
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