As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION IN SEVERAL AREAS AT AFT CARGO RH Z-CHANNEL BETWEEN STA 747 & STA 767. AFT CARGO FLOOR STRUCTURE<[01] THIS JOB CARD WAS REFERED TO TASK CARD TTG8Q00S114AZ;[02] CORRECTION TO STEP 1: THIS JOB CARD WAS REFERED TO TASK CARD TTG8Q00S14AZ;[03] VERIFIED STEP 2