B767 flight crew reported aircraft having problems with rolling and yawing during descent.

Attributes
ACN	1601430
Time
Date	201812
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZZ.ARTCC
State Reference	FO
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Descent
Flight Plan	IFR
Person 1
Function	Pilot Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument
Experience	Flight Crew Last 90 Days 250 Flight Crew Total 9879 Flight Crew Type 6666
Person 2
Function	First Officer
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Events
Anomaly	Aircraft Equipment Problem Less Severe Inflight Event / Encounter Other / Unknown

Narrative:

On the descent into ZZZ aircraft started to dutch roll slightly. Autopilot was disconnected and rudder pressure was applied to each side; one at a time. The right rudder required approximately 2 times the pressure than the left to move the rudder. Captain elected to take over the pilot flying duties. An uneventful landing was performed at ZZZ. Maintenance write up was accomplished on the ground.

Original NASA ASRS Text

Title: B767 flight crew reported aircraft having problems with rolling and yawing during descent.

Narrative: On the descent into ZZZ aircraft started to Dutch roll slightly. Autopilot was disconnected and rudder pressure was applied to each side; one at a time. The right rudder required approximately 2 times the pressure than the left to move the rudder. Captain elected to take over the pilot flying duties. An uneventful landing was performed at ZZZ. Maintenance write up was accomplished on the ground.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.