As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***** CORROSION***** AFT CARGO COMPARTMENT BBETWEEN STA 727A AND STA 727B R/H SIDE;RBL 21 SIDEPLATE HAS SPOTS OF CORROSION AROUND FASTNER HOLES. (MKD 78-7). / FOUND DEEP CORROSION EXFOLIATION OUT OF LIMITS AT AFT CARGO COMPARTMENT SIDE PLATE 'Z' CHANNEL AROUND FASTENERS FROM STA 727 TO STA 767; RBL 21. REMOVED AND REPLACED AS PER REF B737-700 SRM 51-40-02-0G-0 AND DWG# 146A7502.