As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOORS STA 560-580 RBL 64 ANGLE SUPPORT SHOWS CORROSION. REMOVED CORROSION AT I/B CREASE BEAM BETWEEN STA 560- STA 580 AND FOUND TO BE WITHIN LIMITS AS PER B757-2 SRM 53-00-01 AND REMOVED AND REPLACED CUSP WEB BETWEEN STA 560 THROUGH STA 580 AND RBL 64" AS PER BOEING DRAWING NR 143N5520-12.