As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON MAIN CABIN FLOOR SUPPORT MOUNT TRACK STA 188 RBL 4. FOUND FLOOR SUPPORT STA 188 RBL 44 OUT OF LIMITS IAW MD80 SRM 53-01 FIG 1 SHEET 3 PG 8. FABRICATED AND INSTALLED FLOOR SUPPORT AT STA 188 RBL 44 IAW MD80 SRM 51-30-5 PG 12 AT DURING HMV ON.