As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FORWARD THROTTLE CABLE DISCOVERED TO HAVE A VERY ROUGH GRINDING FEEL. REPLACED FORWARD AND AFT NR 1 ENGINE THROTTLE CABLE ASSEMBLIES AND RIGGED IAW MM, OPERATION CHECKED NORMAL. DURING RESOLUTION OF THIS CONDITION. IT WAS DISCOVERED THAT BOTH CABLE ASSEMBLIES MUST BE CHANGED AS A SET CONTRARY TO WHAT MFG AND MM STATES. (K)