What was found
BFM - MAJOR REPAIR - C4 CHECK - NR 6040679, LEVEL 2 CORROSION ON CABIN FLOORBEAM, BS 1640, BL 0. REPLACED CABIN FLOORBEAM, BS 1640, BL 0 IAW B757 SRM 53-15-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BFM - MAJOR REPAIR - C4 CHECK - NR 6040679, LEVEL 2 CORROSION ON CABIN FLOORBEAM, BS 1640, BL 0. REPLACED CABIN FLOORBEAM, BS 1640, BL 0 IAW B757 SRM 53-15-01.