As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT ROD ASSY WAS FOUND FAILED AFTER FLIGHT. THERE WAS RESULTANT DAMAGE TO THE NR 20 LEADING EDGE VARIABLE CAMBER FLAP. SUPPORT, ROD ASSY AND VARIABLE CAMBER FLAP ASSY WERE REPLACED. FAILURE OF THE SUPPORT ROD WAS INITIATED BY FRETTING DAMAGE WITH A INSULATION CLAMP ON THE ADJACENT PNEUMATIC DUCT.