As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM (LONGERON) FWD OF FR68 AT Y1292. BLENDED OUT CORRODED AREA ON FLOORBEAM AND FOUND AREA TO BE OUT OF LIMITS IAW SRM 53-00-14, FIG. 102. REMOVED AND REPLACED FLOORBEAM FROM FR66 TO FR68 IAW SRM 51-42-11.