As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND 3 INCH BY 4 INCH CORRODED AREA AND SEVERAL 1 INCH BY 1 INCH AREAS AT BS 794 RBL 14 INCHES CARGO FLOOR BEAM. CUT OUT CORRODED SECTION (BS 779-877) FABRICATED AND INSTALLED NEW BEAM SECTION PER BOEING DRAWING 65-53844 AND SRM 53-00-53 FIG 202. CORROSION TASK NR C53-108-01, CORROSION LEVEL 2. (M)