As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL BTW BS 1580 TO 1600, S29R OF FLOOR STRUCTURE AT AFT CARGO COMPARTMENT. CORROSION LEVEL 2. INTERCOSTAL BTW BS 1580 - 1600, S29R OF FLOOR STRUCTURE AT AFT CARGO COMPARTMENT WAS REPLACED IAW SRM 51-40-02-0G PAR 7.D. (1572695) AIRCRAFT WAS GROUNDED.