As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF NR 2 THRUST LEVER CAME BACK ABOUT 1" AND RECEIVED AN A/T FAIL CAUTION. CLEARED MESSAGE AND RAN CHECKLIST. RESELECTED AI A FEW MIN LATER AND OPERATED NORMALLY AFTERWARDS. REMOVED FROM SERVICE. PLACED ON MEL AND RETURNED TO SERVICE.