As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV, CORROSION WAS FOUND ON A FLOOR BEAM AT FS 328 AROUND FASTENER HOLES FROM LEFT TO RIGHT SIDE OF THE FUSELAGE. REPAIRS INVOLVED TREAT AND PAINT LBL49 PER PS 900-2 NR 5 AND REPAIR LBL 36 AND RT OUTBOARD END PER SRM 53-00-51 FIG 205.