Service difficulty report · Yaw Damper · Cessna 750

Difficulty date
July 31, 2005
Submitted
August 10, 2005
Operation
Air carrier
Aircraft
N912QS
Make and model
Cessna 750
Aircraft serial
7500012
Aircraft time
5,679 hours, 3,411 cycles
Part
Yaw Damper
Condition
Malfunctioned
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

IN FLIGHT YAW DAMPER DOES NOT APPEAR TO OPERATE IN COORDINATION WITH FLIGHT CONTROLS. LAGS AND OVERCORRECTS. SEVERAL TIMES IN FLIGHT, BOTH ON AUTO-PILOT AND WHEN HAND FLOWN, YAW DAMPER APPEARS TO OPERATE UNCOMMANDED. OVERCOMPENSATING APPEARS WORSE ON B FGC. RUDDER TRIM INDICATOR ALMOST OUT OF TAKEOFF SCALE TO THE LEFT IN COORDINATED LEVEL FLIGHT. AMBER CAS MESSAGE RETRIM WING DOWN TWICE.

More about the Cessna 750