As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE SYSTEM DISENGAGED DURING TAKEOFF WOULD NOT RE ENGAGE DURING REST OF FLIGHT GROUNDED YES. PERFORMED AUTOTHROTTLE OPERATIONAL TEST REF MM 22-31-00-710-801. CURRENT STATUS PASSED IN FLT FAULT LOGGED ASM NR 2, 15 FLT LEGS AGO SERVO MOTOR TEST PASSED.