Service difficulty report · Servo Valve · Airbus A300B4622R

Difficulty date
March 2, 2017
Submitted
March 7, 2017
Operation
Air carrier
Aircraft
N723FD
Make and model
Airbus A300B4622R
Aircraft serial
543
Aircraft time
44,811 hours, 27,010 cycles
Part
Servo Valve
Part number
78090
Part serial
AH0284
Condition
Leaking
Location
Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
B, A

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

What was found

RECEIVED A GREEN HYDRAULIC SYSTEM LOW PRESSURE ECAM, FOLLOWED BY GREEN RESERVOIR LOW LEVEL ECAM. FOLLOWED QRH INCLUDING MLG GRAVITY EXTENSION AND LANDED. OVERHEAD GREEN RESERVOIR GAUGE INDICATED AT THE BOTTOM OF THE YELLOW BAND. REMOVED AND REPLACED ARTIFICIAL FEEL UNIT SERVO VALVE ON ACTUATOR IAW MM 27-33-14-04. OPS AND LEAK CHECKED GOOD.. GREEN HYDRAULIC SYSTEM SERVICED IAW MM 12-12-29-00. RESTORED UPLOCK MECHANISMS TO NORMAL CONFIGURATION, FREE FALL EXTENSION RESET IAW MM 32-33-00-02. ACFT OK FOR SERVICE.

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