As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE INOPERATIVE. ACFT GROUNDED. PERFORMED AN AUTOTHROTTLE FAULT REVIEW AND FOUND OCCURRENCE OF FAULT 22-31688 ASM 2 VARIOUS TIMES ON FLT LEG 30 THRU 33. NO OTHER FAULTS. PERFORMED INITIAL EVALUATION IAW FIM 22-32 TASK 819. ATUOTHROTTLE TESTS GOOD. PERFORMED AUTOTHROTTLE OPS TESTED IAW AMM 22-31-00. OPS CHECKED GOOD. NO FAULTS FOUND.