As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT ALTITUDE THROTTLES ARE TOO STIFF TO CONTROL IN A NORMAL MANNER. VERY DIFFICULT TO MOVE FROM IDLE & NOTICEABLE. RESTRICTION AT 81% A POSITION. PROBLEM IS ASSOCIATED WITH COLD TEMPERATURE. UPON LANDING REVERSES WERE EXTREMELY DIFFICULTY TO DEPLOY. R & R NR 1 ENG THRUST CONTROL PUSH & PULL CABLES IAW MM.