As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WEB. INTERCOSTAL LOCATED BETWEEN BS492.4 TO BS500A RBL21 AND WL155 AT FWD CARGO COMPARTMENT. REPLACED INTERCOSTAL LOCATED BETWEEN BS 492.4 TO BS 500A RBL 21 AND WL 155 AT FWD CARGO COMPARTMENT IAW SRM B737700 511002 AND DWG # 143A0080 REV PART USED PN 143A8126U31ATSMRO PO SW2021000595