As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DUAL AUTO PILOT FAILURE SHORTLY AFTER DEPARTING. CAPTAIN PHONE PATCHED WITH MOC. UNABLE TO RESOLVE THE AUTO PILOT FAILURE. RETURNED TO DEPARTURE AIRPORT AND OVERWEIGHT LANDING CARRIED OUT. RESOLUTION REPLACED TAT PROBE REF AMM 34-12-02. CHECKS SERVICEABLE.