As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING INSPECTION ON THE ELEVATORS, FOUND CORROSION ON THE UPPER AND THE LOWER LEADING EDGE SKIN SURFACES OF THE LT ELEVATOR. THE CORROSION WAS CONCENTRATED WHERE THE SKIN IS FASTENED TO THE ELEVATOR FRONT BEAM. AFTER REMOVING THE CORROSION AND BLENDING THE AREA, FOUND THAT TWO SIGNIFICANT AREAS WHERE THE CORROSION WENT BEYOND THE LIMITS OF THE SRM. DETERIORATION OVER TIME.