Service difficulty report · Computer · Airbus A321231

Difficulty date
February 16, 2024
Submitted
February 19, 2024
Operation
Air carrier
Aircraft
N906AA
Make and model
Airbus A321231
Aircraft serial
7651
Aircraft time
19,873 hours, 7,857 cycles
Part
Computer
Part number
3945129100
Part serial
ELACVB034796
Condition
Defective
Location
Nr 1 Elac
Part time
19,881 hours, 7,859 cycles
Stage of operation
CR
How discovered
V
Nature of condition
F
Precautionary procedure
K

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

What was found

AIRCRAFT WAS GROUNDED: DURING FLIGHT WE EXPERIENCED AN UNCOMMANDED YAW/ROLL EVENT. THE #1 AUTOPILOT WAS ON. NO ALERTS OR ECAMS. AT 6000 FT ON APPROACH,THE AIRCRAFT YAWED LEFT AND THE AIRCRAFT BANKED TO THE RIGHT ABOUT 10 DEGREES. AUTOPILOT REMAINED ON. MAINTENANCE REPLACED BOTH ELEVATOR AND AILERON COMPUTERS (ELAC) #1 (AALA202402191026) AND #2 (AALA202402195712). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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