As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/T'S WILL NOT STAY ENGAGED AUTOMATICALLY DISCONNECTS. FAULT CODE 223130-00. ACFT GROUNDED. PERFORMED A/T BITE TEST IAW FIM 22-31, TASK 801 AND A/T OPERATIONAL TEST IAW AMM 22-31-00, ALL OPS NORMAL: CURRENT STATUS, NO FAULTS AND INTERACTIVE SERVO MOTOR TEST, NO FAULTS. ETOPS SIGNIFICANT GROUND VERIFICATION SUCCESSFUL. CLEARS MEL 22-4B.