As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AT AERO CORP, FOUND CABIN BS 344 - BS 380 RBL 15 FLOOR SUPPORT UPPER SURFACE CORRODED BS 350 - BS 354. FABRICATED SUPPORT FROM 7075 T6 .060 INCH 15 INCHES BY 2 INCHES AND FILLER FROM 7075 T6 .100 INCH 12 INCHES BY 2 INCHES IAW B 737 SRM 51-40-4. INSTALLED IAW B 737 SRM 51-40-4 AND SRM 51-30-2. (X)