Service difficulty report · Unknown · Boeing 757222

Difficulty date
November 13, 2013
Submitted
November 19, 2013
Operation
Air carrier
Aircraft
N562UA
Make and model
Boeing 757222
Aircraft serial
26664
Aircraft time
69,355 hours, 25,485 cycles
Engine
Pwa PW2040
Part
Unknown
Condition
Malfunctioned
Location
Autopilot Sys
Stage of operation
CL
How discovered
O
Nature of condition
F
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

PLANE YAWING BACK & FORTH DURING CLIMB. OSCILLATION STOPS WITH LT YAW DAMPER OFF.