As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES FAILED ON TAKEOFF. DISENGAGED APPROX 2 SECONDS AFTER TOGA. WILL NOT REMAIN ENGAGED MORE THAN A FEW SECONDS IN ALL PHASES OF THE FLIGHT. WILL NOT REMAIN ENGAGED WITH AUTOPILOT A OR B. ACFT GROUNDED. NO HISTORY LAST 90 DAYS. ACCOMPLISHED FIM 22-32T819 SEVERAL TIMES. AUTOTHROTTLE SERVO TESTED NORMAL. ACCOMPLISHED AN AUTOTHROTTLE SYS OPS TEST IAW AMM 22-31-00. NO FAULTS. AUTOTHROTTLES ENGAGED NORMALLY.