Service difficulty report · Control Servo · Airbus A319112

Difficulty date
January 5, 2022
Submitted
February 16, 2022
Operation
Air carrier
Aircraft
N716UW
Make and model
Airbus A319112
Aircraft serial
1055
Aircraft time
60,507 hours, 35,422 cycles
Part
Control Servo
Part number
31075840
Part serial
23646
Condition
Defective
Location
Rudder Trim
Part time
23,085 hours, 9,242 cycles
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: ON STRAIGHT FLIGHT COURSE AT .80M, AIRCRAFT MAINTAINS A 2-3Ï¿½ RIGHT BANK WITH 1.9-2.0 UNITS OF LEFT RUDDER TRIM. TRIED W/BOTH A/P- SAME RESULTS **ORIGINAL REPORT WAS AALA202201108699: MAINTENANCE ACCOMPLISHED INSPECTIONS AND ADJUSTMENT VERIFICATION'S OF ALL OF THE FLIGHT CONTROLS AS OUTLINED IN THE TROUBLESHOOTING EA 333283. IN ADDITION, THE FOLLOWING ITEMS WERE REPLACED DURING THE TROUBLESHOOTING OF THIS EVENT: RIGHT AILERON HINGES 1 THRU 5 (AALA202201108885, AALA202201102367, AALA202201108855, AALA202201109531, AALA202201104153), LEFT AILERON BLUE SERVO CONTROL (AALA202201108699), FLIGHT AUGMENTATION COMPUTER (FAC) #1 (AALA202202166400) AND # 2 (AALA202202166154), LEFT AILERON GREEN SERVO CONTROL (AALA202202161230), RIGHT AILERON BLUE SERVO CONTROL (AALA202202164938), RUDDER TRAVEL LIMITATION UNIT ELECTRONIC MODULE (AALA202202168563), RUDDER TRAVEL LIMITING UNITS (AALA202202167200 AND AALA202202166897), RUDDER TRIM ACTUATOR (AALA202202160864), LEFT ELEVATOR BLUE SERVO CONTROL (AALA202202160766), LEFT ELEVATOR GREEN SERVO CONTROL (AALA202202166988) AND LEFT WING SPOILER #2 GREEN SERVO CONTROL (AALA202202168289) A SATISFACTORY OPERATIONAL TEST FLIGHT WAS ACCOMPLISHED AND NO ISSUES WERE NOTED,

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