As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT RIGHT SIDE; FLOOR STRUCTURE 'Z CHANNEL'; AROUND HOLES HAS EVIDENCE CORROSION BETWEEN STA 727C TO 727D; WL 155.5; RBL-21 / [01] Z-CHANNEL (PN:146A7502-51) STA 727-767 REPLACED FOR WORK ACCOMPLISHED REFERENCE TASK CARD# TTG8Q00F654H;[02] VERIFIED STEP #1