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Aircraft Maintenance TroubleShoot > Helicopter Main Rotor

Bumping in abrupt maneuvers

1. One dynamic stop cable too short. Rig dynamic cable stops.

2. Sprag mount weak or one safety cable too short. Readjust sprag mount system or replace parts.

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Disclaimer: sacskyranch.com contains abundant information relating to aircraft maintenance. The information provided is not intended to supercede or supplement the F.A.A. approved maintenance and/or operator’s manuals. Those F.A.A. approved manuals must be utilized when performing maintenance and/or operating aircraft.