Service difficulty report · Servo Valve · Airbus A320211

Difficulty date
March 4, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Airbus A320211
Part
Servo Valve
Part number
7319603
Condition
Erratic
Location
Elevator
Stage of operation
CR
Nature of condition
E, F
Precautionary procedure
K

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

What was found

(CAN) THE AIRCRAFT WHEN TURNING LEFT OR ROLLING BACK TO LEVEL FLIGHT EXPERIENCED A STEADY CONSTANT SOUND PITCH AND FREQUENCY VIBRATION FROM RIGHT AILERON INPUT ONLY AND NO SPOILER DEPLOYMENT. MAINTENANCE TROUBLE SHOOTING REVEALED GREEN ELEVATOR SERVO ACTUATOR OSCILLATING IN NEUTRAL AND FULL DEFLECTION POSITIONS. REPLACED GREEN SERVO CONTROL ACTUATOR SOLENOID.

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