As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING I/B AILERON TRIM CABLE PULLEY TURNAROUND CASTING IS CORRODED AROUND MAIN PULLEY BOLT HOLE AND TWO OTHER AREAS ON CASTING WBL 410. REMOVED CORRODED LT WING I/B AILERON TRIM CABLE PULLEY TURNAROUND CASTING AND INSTALLED NEW CASTING IAW FEDEX MM 27-10-0, 27-61-0 AND SRM 51-30-2.