As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMP. LEFT/Z-CHANNEL HAS CORROSION AROUND FASTENERS HOLE FROM STA 727C TO STA 787 LBL-22. / [01] FOUND EXFOLIATED CORROSION TO BE OUT OF LIMITS AS PER B737 SRM 53-00-53-1A-2;[02] RECIEVED NEW PART 146A7502-27; PART WILL BE INSTALLED UNDER TASK CARD: TTG8Q0043PN3;[03] VERIFIED STEPS 1 AND 2.