As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF TASK CARD 71-814-01-01, CHAFING WAS NOTED ON DOUBLER OF NUMBER 1 ENGINE LEFT CORE COWL INNER FACE AFT SIDE FRAME. REPAIR ACCOMPLISHED IN ACCORDANCE WITH FLIGHT VEHICLES CONSULTING INC ENGINEERING ORDER 20316-10.