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Old 05-17-2020, 10:53 AM
avrojockey's Avatar
avrojockey avrojockey is offline
Join Date: Aug 2019
Location: Appleton, WI
Posts: 347
Default Preventing Rod End Thread Corrosion?

Heres what I pulled out of my rudder yesterday while doing another repair...

Seems to be galvanic corrosion from the reinforcement plate, rudder horn and rudder spar. I pulled the other heim bearings and they had the same thread corrosion but not as bad as the lower bearing.

Im replacing the bearings but would like some thoughts on preventing future occurrences. I'm leaning towards and annual spritz of CorrosionX to weep down the threads.
Tim Holmes
Appleton, WI
RV-9A N904DC
2019-2021 Dues Paid
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