As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN STA 916.5 LBL 51.55 DUAL FLOOR MOUNT ATTACHING INTERCOSTAL HAS CORROSION AROUND MOUNT. GROUNDED - YES. REMOVED AND REPLACED 147A5690-8 INTERCOSTAL IAW BAC DWG 147A5680 REV - AND B737-800 SRM 51-40-02. ALLOWABLE LIMITS IN SRM FOUND DEEMED OUT OF LIMITS.