As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND AFT CARGO RH 'Z' CHANNEL FROM STA 727B TO STA 727C RBL 21 WL 155.5 HAS SPOT OF CORROSION.<[01] REMOVED AND REPLACED R/H Z-CHANNEL AT AFT CARGO COMPT FROM STA 727 TO STA 767 RBL 21 PER REF SRM 51-40-02-0G-0 AND DWG #146A7500;[02] VERIFIED 1.