As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND .5 INCH BY 13 INCH CORROSION BS 312 RBL 7 INCHES THROUGH RBL 20 INCHES ON FLOOR BEAM T-CAP. REPAIRED PER SRM 737-400 53-10-51 FIG 206 PAGE 224. CORROSION TASK NR C53-107-02. CORROSION LEVEL 2. (M)