As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: C, FX - KEELBEAM BOX EXTERNAL LOWER STRUCTURE LOWER SURFACE FOUND CORROSION AT STA 1255 TO STA 1260 RBL 7 TO RBL 9. CORROSION BLEND OUT 0.070 X 2 X 4 INCH. KEELBEAM LOWER STRUCTURE CORROSION REPAIR BETWEEN BS 1256 AND BS 1265, RBL 7 TO RBL 9 AS PER SRM 53-10-01 FIG 1, RS R53-49-35033 AND UPS ENG'R FILE 747-53-20143.