Service difficulty report · Servo Valve · Airbus A321231

Difficulty date
March 23, 2014
Submitted
March 24, 2014
Operation
Air carrier
Aircraft
N563UW
Make and model
Airbus A321231
Aircraft serial
5368
Aircraft time
4,229 hours, 1,793 cycles
Part
Servo Valve
Part number
7319603
Condition
Faulty
Location
Elevator
Stage of operation
CR
How discovered
9
Nature of condition
E
Precautionary procedure
K

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

What was found

IN LEVEL FLIGHT ON AUTOPILOT, ACFT EXPERIENCED SHUTTERS & BUMPS WITH UPWARD PITCH & ALTITUDE CHANGE. ON FLIGHT CONTROL PAGE L ELEVATOR INDICATOR FLUCTUATED WITH BUMPS. ACCOMPLISHED RESET OF AUTOPILOT. FOUND NO PROBLEMS WITH AUTOPILOT EXCEPT FOR ELAC 1 PITCH FAULT FOR RT BLUE ELEVATOR SERVO VLV. R & R ELEVATOR SERVO CONTROL ACTUATOR SERVO VLV IAW AMM 27-34-51-000-008-A.

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