As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "C" CHECK IN SAT FOUND NR 1 ENG LEFT FAN COWL CENTER U BOLT PLATE HAS FRETTING CORROSION. REMOVED CORROSION FROM BOLT PLATE, MATERIAL LOSS WAS 0.030 FOUND TO BE OUT OF LIMITS IAW DC10 SRM 51-00-01 FIG 1A. FABRICATED NEW BOLT PLATE, TREATED AND PRIMED. INSTALLED BOLT PLATE IAW AMM 71-13-02.