As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MINOR REPAIR - DURING C-18 CHECK CORROSION WAS FOUND UPPER SURFACE OF SUPPORT FILLER PLATE AT BS 951, RBL 47. MAINTENANCE REMOVED CORRODED FILLER PLATE AT BS 951, RBL 47; FABRICATED A NEW REPLACEMENT FILLER PLATE PER DWG 65C10592; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.