As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES WILL NOT STAY ENGAGED IN ANY MODE OR FLIGHT. ACFT GROUNDED. ACCOMPLISHED A/T BITE REF FIM 22-31, TASK 801. FOUND LOGGED 7X ASM 2 MESSAGE 22-31688. TORQUE TEST SHOWS NR 1 T-6.1 AND NR 2 T-6.7. PERFORMED OPS TEST, INTERACTIVE TEST, AND SERVO MOTOR TESTS 4X, ALL TESTS PASSED.