As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2381094) DURING INSPECTION FOUND CORROSION ON RH SHIELD AT RBL 21.00 AND BTWN STA 767/STA 787 OF AFT CARGO COMPARTMENT. RH SHIELD AT RBL 21.00 AND BETWEEN STA 767/STA 787 OF AFT CARGO COMPARTMENT WAS FABRICATED PER DWG 146A8127-12 REV: A AND INSTALLED PER B737-900ER SRM 51-40-02-0G.