As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C CHECK INSPECTION, CHAFING WAS DETECTED ON NUMBER THREE PYLON FORWARD ENGINE MOUNT. REPAIR BLENDS AFFECTED AREA AND DETERMINES THAT THE WEAR IS ACCEPTABLE FOR STRENGTH IN ACCORDANCE WITH DOUGLAS FAX ACTION NUMBER 374208 AND ENGINEERING ORDER 71-DC8-891.