My Bendix/King HSI heading bug stopped responding to the knob, which would just spin, after the A/P (Stec-50) was engaged, and HSI/530 selected. I was intermittently able to turn the bug, but when approaching the actual heading, the bug disengaged and knob would just spin. Turning the A/P off then back on, would sometimes re engage the bug, but the same symptoms reoccurred.
Thanks, Bob C, IV-P

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On Sep 15, 2014, at 3:00 AM, "Lancair Mailing List" <lml@lancaironline.net> wrote:

>        Lancair Mailing List Digest #4743
>
> 1) Re: OY-TIM first flight
>    by George Wehrung <gw5@me.com>
> 2) Re: OY-TIM first flight
>    by Douglas Johnson <lancair1@bellsouth.net>
> 3) OY-TIM first flight
>    by "Steve Colwell" <mcmess1919@yahoo.com>
> 4) Re: OY-TIM first flight
>    by Terry O'Neill <troneill@charter.net>
> 5) Thanks FAA...
>    by Mark Sletten <mwsletten@gmail.com>
> 6) FW: S a v v y   Analysis of  oil cooler temps
>    by "Bill Bradburry" <bbradburry@verizon.net>
> 7) LNC4 Altitude Performance related to weight
>    by "Carl Scheid" <carlscheid@att.net>
> 8) Nose wheel doors opening past speeds of 180kt indicated
>    by Hans Petr <hanspetr@yahoo.com>
> 9) Repair shop references
>    by Terry O'Neill <troneill@charter.net>
> 10) Repair shop ...
>    by Terry O'Neill <troneill@charter.net>
>
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