As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT TASK: MAIN CABIN STA 300 RBL 18-34 INTERCOSTAL HAS CORROSION ON UPPER SURFACE. TRANSCRIBED FROM HAECO GSO NRC 9282557 REMOVED AND INSTALLED NEW SUPPORT IAW BAC DWG 141N5160 AND SRM 5 1-40-02, SRM 51-40-05. CREATED SDR #1028928. HAECO GSO MECH V9 01427 INSP QC004