As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 1440-1460, RT SIDE CREASE BEAM WEB HAS CORROSION. REMOVED CORROSION AT MAIN CABIN STA 1440-1460 RT SIDE CREASE BEAM IAW SRM 51-10-02. BLENDED AREA L= 1.75",W=1.45",D=.008" ORIGINAL MAT. .040". MAT REMAINING .032" FOUND OUT LIMITS IAW SRM 53-00-13 FIG 101 DET II. R & R WEB IAW SRM 51-40-02. PN FX-146N5590-12 (WEB)-MAJOR REPAIR.