As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2390458) DURING INSPECTION FOUND CORROSION ON RH SIDE PLATE-SUPPORT ZEE AT RBL 21.00 AND BTWN STA 727/STA 767 OF AFT CARGO COMPARTMENT. RH SIDE PLATE-SUPPORT ZEE AT RBL 21.00 AND BTWN STA 727/STA 767 OF AFT CARGO COMPARTMENT WAS REPLACED PER B737-900ER SRM 53-00-53-1A.