As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES WOULD NOT ENGAGED ON DEPARTURE AND REMAINDER OF FLIGHT. GROUNDED - YES. A/T INFLT FAULTS SHOWED ON ONLY "FLT 11" OUT OF 40 LOGGED FLTS WITH A ASM 2 RATE MONITOR FAULT. PERFORMED B737-900 FIM 22-32 TASK 819 INITIAL EVALUATION TEST GOOD - SERVO MOTOR TEST PERFORMED NUMEROUS TIMES. PER FIM, INTERMITTENT FAULT.