As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 1218181) DURING INSPECTION FOUND CORROSION WEB - INTERCOSTAL LOCATED BTW BS 767 TO BS 787 AT LEVEL S-27 R AT AFT CARGO COMPARTMENT. REPLACED WEB (INTERCOSTAL ) LOCATED BTW.BS 767 TO BS 787AT LEVEL STR. 27R AFT CARGO COMPARTMENT AS PER B737-800 SRM 51-10-02 ITEM G SRM 51-40-02 DWG 146A8130 REV.B.