As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK. LT AND RT AILERON FAULT WAS PRESENTED AFTER TAKE OFF. IAW TSM 27-95-00-810-802 FAILURE OF THE FCDC 2 WAS PERFORMED AND TEST OK AND AMM 27-96-00-740-0021 THE BITE TEST OF THE EFCS GROUND SCANING WAS PERFORMED AND SATISFACTORY.