As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB BOTH AUTOPILOTS A AND B WILL NOT ENGAGE. BOTH TESTED OK ON GROUND. A/P A AND B PITCH AND ROLL COMPUTERS, FLIGHT CTL HYD PWR SHUT OFF SWITCHES ALL CHECKED IN ON POSITION. ACCESS BOXES INSTALLATION OCCURRED OK. MSP ELECT CONNECTORS INSPECTION NO FAULTS.