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Old 10-31-2022, 07:46 PM
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Champ Champ is offline
Join Date: Apr 2012
Location: Kingsville, Ontario, Canada
Posts: 392

Iíve got the same problem with aileron trim. Started while doing the annual. Is it true that 70% of maintenance is caused by 70% of maintenance? Trouble shooting now. Ray Allen trim servo checked out OK when I unplugged it and hot wired it through a 1 amp fuse. Deeper dive tomorrow.
Dennis Enns
Bellanca Champ 7ACA since 1986, restored 1990.
RV-8 IO375, MTV-9-B/183-50a, PMags, OW Award Oshkosh 2017
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Old 11-01-2022, 06:49 AM
SARLDO SARLDO is offline
Join Date: Jan 2021
Location: Asheville, NC
Posts: 20

Originally Posted by Champ View Post
Is it true that 70% of maintenance is caused by 70% of maintenance?
Sounds about right. A great deal of corrective maintenance is required due to errors made performing preventative maintenance. Of course, the downside of skipping the preventative maintenance is causing a condition that is beyond the scope of maintenance.

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Old 11-02-2022, 08:16 PM
homeap homeap is offline
Join Date: Apr 2013
Location: OFallon,IL
Posts: 21

I chased down all the wires and disconnected the servo and still could not locate a short. I talked to Tony at Vans Aircraft RV 12 electrical expert and he indicated he thought it was in the module control box. I have sent that off for repair. Letís hope thatís it!
Thank you all for your input, it has been invaluable!

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