As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: C, FX - KEEL BEAM BOX INTERIOR LOWER STRUCTURE FOUND HEAVY CORROSION AT STA 1450 TO STA 1465 RBL 6 TO RBL 8. LONGERON REPAIRED AT BS 1456 TO 1480 RT AS PER HX RS R53-49-35025 ITEM 1 TO ITEM 19 AND ENG'R FILE NUMBER 747-53-20139. CORROSION BLEND OUT 158 X .75 X 1 INCH EXCEED SRM LIMIT.