As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENGINE 2 THROTTLE LEVER DISAGREE ECAM MESSAGE. ENGINE SHUT ITSELF DOWN ABOUT 3 MINUTES LATER AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MEX WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT. REPLACED #2 ENGINE ELECTRONIC CONTROL UNIT (ECU) AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 73-21-60-401