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 FLOOR SUPPORT IB OF L2 AT Y1292 FROM FR66 TO FR68 AT HOLES. FLOORBEAM WAS FOUND TO BE OUT OF LIMITS IAW SRM 51-00-14. REMOVED AND REPLACED FLOORBEAM FROM C64 TO C69 IAW SRM'S 51-42-11 AND 51-44-11.