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  #1  
Old 11-30-2022, 02:38 PM
RV10Farmer RV10Farmer is offline
 
Join Date: Feb 2022
Location: Livermore, CA
Posts: 11
Default FAASafety.gov: Garmin GFC 500 Autopilot Notice

I just got this notice. I haven't decided if I want the "optional GSA 28 pitch trim". But curious if the folks with it installed have experienced the problem mentioned below. What kind of situation was it ?


-- FAASafety.gov --------------------------------------------------------

Garmin GFC 500 Autopilot Notice
Notice Number: NOTC2741

Garmin has identified an issue with GFC 500 autopilots with optional auto trim installed in certified, experimental and Light-Sport Aircraft, including certified installations installed with optional GSA 28 pitch trim in accordance with Garmin STC SA01866W. This issue may result in an uncommanded automatic trim runaway when the autopilot is first engaged. This condition could result in a sudden and significant deviation from the intended flight path.
Garmin Service Alert 22109 Revision A requires operators of certified installations to pull and collar the autopilot circuit breaker and placard the autopilot as “inoperative” prior to further flight. Operators may contact a Garmin dealer regarding reactivation of the GFC 500 autopilot with the optional pitch trim configured off in accordance with recommended service bulletin 22110 Revision A.
Garmin is working to fix this issue for certified installations in a future software update expected in Q4 2022.
Garmin Service Bulletin 22112 Revision A requires operators of Experimental and Light-Sport Aircraft to update system software or disable the autopilot or trim control prior to further flight.
Service Alert 22109 Rev A is available at:
https://support.garmin.com/en-US/avi...J09ZLIPJgWTBJA
The recommended Service Bulletin 22110 Rev A is available at:
https://support.garmin.com/en-US/avi...h96I8qVfjtNbV8
For non-certified aircraft, Service Bulletin 22112 Rev A is available at:
https://support.garmin.com/en-US/avi...FZ5AvovG4LF6l5
If you have any questions or comments, contact the Wichita ACO Branch at:
Phil Petty
1801 Airport Rd.
Wichita, KS 67209
(316) 946-4139

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Builder #42822

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  #2  
Old 11-30-2022, 02:43 PM
iwannarv iwannarv is offline
 
Join Date: Aug 2005
Location: Olathe, KS
Posts: 549
Default

Reported and corrected. Update software to V9.12: See Post, and also this post.
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Brad Brensing
RV-10 Emp/Tailcone - Complete, QB Wings - Complete, Fuse - Complete, Finish Kit - In Progress.... (Doors )

Never judge a man by his trim tabs.

Last edited by iwannarv : 11-30-2022 at 02:45 PM.
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