As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 417 76C030-00 RT WING OUTBD AILERON-HINGE CASTING HAS DEEP PITTED CORROSION IN MAGNESIUM CASTING. REMOVED AND REPLACED CASTING WITH NEW SAND CASTED ALUM CASTING PER DRW BOEING NR 65-12959 AND FASTENERS IAW SRM 51-30-2 AND STANDARD PRACTICE.