As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** AFT CARGO BAY R/H Z CHANNEL HAS CORROSION AROUND SEVERAL FASTENER HOLES FROM BS 727 TO BS 787; STR 25R; RBL 18; WL 157. / REMOVED & REPLACED AFT CARGO BAY R/H Z CHANNEL FROM BS 727 TO BS 787 STR 25R RBL 18 WL 157 IAW EA 1-753-35928 REV IR / ATS ER 19-05229; REV IR DATED 04-NOV-2019 PAGES 1-8