As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF THE THRUST MODE WOULD NOT CHANGE FROM TAKEOFF MODE. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CORROSION ON CONNECTOR P0885. THE CORROSION WAS CLEANED AND THE CONNECTOR WAS RE-CONNECTED. OPERATIONAL CHECKS OF THE THRUST MODE SYSTEM WERE GOOD AND NO FURTHER DEFECTS WERE NOTED.