As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4 S1 C CHECK INSPECTION REPORTED CORROSION ON AFT CARGO BAY FLOOR FRAME STRAP UPPER SURFACE FLOOR STRAP 2350 FRAME 58. MAINTENANCE REMOVED AND REPLACED FLOOR STRAP 2350 AT FRAME 58 IN ACCORDANCE WITH SRM 51-72-11. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE.