As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ENGINE INSTALLATION, COULD NOT TORQUE ENGINE MOUNT YOKE BOLT P/N 3935739-1 IAW MM SECTION 20-10-14 PAGE 201. UNABLE TO COMPRESS, THE INNER PLI WASHER RING OF PLI WASHER SET P/N PL120-117-8. THESE PLI WASHERS WERE PROVIDED FROM FOLLOWING SUPPLIERS: THE ALTERNATE PLY WASHER P/N 62522-20-92-8 SHOWN IN THE IPC 71-20-00 PURCHASED FROM MFG WAS USED AND INSTALLED IAW AMM 20-10-14 PAGE 201.