As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, RIGHT-HAND, OUTBOARD AILERON WAS IDENTIFIED AS HAVING CORROSION ON BALANCE WEIGHTS. MAINTENANCE PERSONNEL REMOVED CORROSION ON NR 3 AND NR 4 WEIGHTS PER SRM 51-82-00. NR 2 WEIGHT BEYOND SRM LIMITS. REPLACED WEIGHT WITH NEW PART. (X)