As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE DISENGAGES A FEW SECONDS AFTER ARMING THE AUTOTHROTTLE SWITCH. UNABLE TO DUPLICATE DEFECT. PERFORMED AUTOTHROTTLE OPS TEST IAW MM 22-31-00-710-801 AND AUTOTHROTTLE SYS TEST IAW MM 22-31-00-710-802. ALL TESTS PASS. ACFT IS QUALIFIED FOR CAT IIIA AUTOLAND AND HGS OPS.