As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES DISCONNECTED AND WILL NOT STAY ENGAGED. ALL CIRCUIT BREAKERS ENGAGED. AP NR 2 SELECTED, F/O MASTER. ACFT GROUNDED. A/T BITE FLIGHT FAULT SHOWS SEVERAL FLT WITH ASM NR 1 FAULT. DURING SERVO TEST ASM NR 2 LIMIT FAILED. REPLACED ASM NR 1 IAW MM 22-31-91-400-801. REPLACED ASM NR 2 REF MM 22-31-91-400-801. PERFORMED AUTOTHROTTLE TEST, PASSED.