As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. CORROSION AROUND NUTPLATE ON NR 8 SLAT OUTBOARD AUX TRACK INBOARD LOWER STRUT. REMOVED CORROSION AROUND NUTPLATE ON NR 8 SLAT OUTBAORD AUX TRACK AND FOUND TO BE OUT OF LIMIT IAW SRM 57-41-09. REMOVED AND REPLACED IAW SRM 51-40-02 PARA 9.