It could be that the AP disconnected when the trim was to far off....however, in
both cases I had been in level cruise for sometime without significant
turbulence.  So who knows.  Neither of those situations was "heart pounding."
The airplane stayed level and began to drift off heading.  The un-commanded up
deal, on the other hand, quickly got my attention (and my wifes).

Matt McManus

Quoting Marvin Kaye <marv@lancaironline.net>:

> Posted for "colyncase on earthlink" <colyncase@earthlink.net>:
>
>   Are you sure that was a malfunction?
>   Could it be that that the a/p kicked off because it sensed the trim was too
>   far off?
>   (perhaps unrelated to the trim down adjustment)
>
> """
>   The Trutrak in my 360 had an un-commanded up episode on a trip just a few
>   weeks
>   ago.
> """
>
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