As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS AUTOTHROTTLE DISCONNECTED AFTER TAKEOFF POWER, ESTABLISHED ATEMPED RESET SEVERAL TIMES IN FLIGHT WITH NO SUCCESS. MAINTENANCE PERFORMED BITE CHECK OF THE AUTO THROTTLE SYSTEM IAW FIM 22-31-00-810-801. BITE CHECK SHOWS NO ACTIVE FAULTS. ALL CHECKS GOOD AT THIS TIME.