Autopilot Or Yaw Damper Malfunction / Pitch Trim Runaway Or Failure - Garmin G5000 Airplane Flight Manual Supplement

Model 560XL
AUTOPILOT OR YAW DAMPER MALFUNCTION / PITCH TRIM

RUNAWAY OR FAILURE
This procedure supersedes the previous AFM procedure AUTOPILOT MALFUNCTION and
ELECTRIC ELEVATOR RUNAWAY TRIM.
If the airplane attitude deviates unexpectedly from the planned flight path:
1. Control Wheel – GRIP FIRMLY.
2. AP YD DISC/TRIM INT button – PUSH and HOLD.
3. Throttles – REDUCE as required to control airspeed.
4. Speed Brakes – AS REQUIRED.
Do not release the AP YD DISC/TRIM INT button until after pulling the A/P SERVO circuit
breaker.
5. Manual Elevator Trim – RE-TRIM if necessary using Elevator Trim Wheel.
6. A/P SERVOS Circuit Breaker (LH or RH panel) – PULL.
7. AP YD DISC/TRIM INT button – RELEASE.
8. With autopilot inoperative, perform appropriate RVSM contingency for the loss of automatic
altitude hold capability.
IN FLIGHT, DO NOT OVERPOWER THE AUTOPILOT. THE TRIM WILL
OPERATE IN THE DIRECTION OPPOSING THE OVERPOWER FORCE,
WHICH WILL RESULT IN LARGE OUT-OF-TRIM FORCES.
IF A TRIM SYSTEM MALFUNCTION HAS OCCURRED, DO NOT ATTEMPT
TO ENGAGE THE AUTOPILOT OR USE THE FAILED TRIM SYSTEM.
IF AN AUTOPILOT SYSTEM MALFUNCTION HAS OCCURRED, DO NOT
ATTEMPT TO USE THE AUTOPILOT.
The maximum altitude loss during malfunction tests was:
Climb – 475 Feet
Cruise, Descent, and Maneuvering – 884 Feet
Non-precision Approach – 88 Feet
Precision Approach (ILS, LPV) – 61 Feet
Procedure completed
Textron Aviation Citation 560XL
3-20
NOTE
WARNING
Section III – Operating Procedures
Emergency Procedures
190-02313-03 Rev. 8
FAA Approved