SDR AALA201706059010

Service difficulty report · Autothrust Sys · Airbus A321231

Difficulty date: June 3, 2017
Submitted: June 7, 2017
Operation: Air carrier
Aircraft: N560UW
Make and model: Airbus A321231
Aircraft serial: 5300
Aircraft time: 15,164 hours, 6,129 cycles
System (JASC): 2230 · Auto Throttle System
Part: Autothrust Sys
Condition: Malfunctioned
Location: Engines
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING APPROACH, AUTO THRUST ON, UNCOMMANDED SPEED WITH INCREASE TO +20, AUTO THRUST DISENGAGED. APPROXIMATELY 30 SECONDS LATER BOTH ENGINES EXCEEDED EGT LIMIT (EST OF 600) WITH ECAM MESSAGE. MAINTENANCE FOUND GAS PATH REPORT WITHIN LIMTS IAW 77-00-00-810. PERFORMED AUTOTHRUST DISAGREE IAW TSM 22-31-00-810-813A. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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