What was found
BS 1640, RBL 45.5 - 51.5, FLOORBEAM UPPER FLANGE LOWER SURFACE FOUND CORROSION AROUND FASTENER HOLES. REMOVED AND REPLACED IAW DWG 146N5109 SHT 1, REV A AND INSTALLED IAW DWG 146N5089 SHT 1, REV B. REPAIR IS MAJOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BS 1640, RBL 45.5 - 51.5, FLOORBEAM UPPER FLANGE LOWER SURFACE FOUND CORROSION AROUND FASTENER HOLES. REMOVED AND REPLACED IAW DWG 146N5109 SHT 1, REV A AND INSTALLED IAW DWG 146N5089 SHT 1, REV B. REPAIR IS MAJOR.