As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT CENTER FLOOR SUPPORT HAS CORROSION AROUND FASTENER HOLES AT BS 860 BETWEEN STR 25L AND 25R BLENDED AREA FOUND TO BE OUT OF LIMITS IAW B737 400 SRM 53 60 53 FIG 101. FABRICATED REPLACEMENT PART AND INSTALLED IAW BOEING DWG 65 45269.