As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLES DISENGAGED ON THE T/O ROLL AND WOULD NOT RE-ENGAGE IN FLIGHT. ACFT GROUNDED. COULD NOT DUPLICATE. A/T FLT REVIEW LOGGED ASM NR 2 FAULT NR 22-31688 AND NO OTHER FAULTS LAST 40 FLT LEGS. ACCOMPLISHED AUTOTHROTTLE OPS CHECK AND SERVO MOTOR TEST IAW MM 22-31-00, OPS TEST CHECKED NORMAL. NO HISTORY 30 DAYS.