As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMP AT BS 1420 RBL 21- LBL 5 FRAME IS CORRODED ON INNER CHORD AND WEB IN SEVERAL PLACES REF CORR TASK CARD C53-156-02 AND C53-155-02. MAJOR REPAIR ACCOMPLISHED: DUE TO CORROSION OUT OF LIMITS, REMOVED AND REPLACED FRAME AT STA 1420 STR 24L TO 24R IAW BACO DWG 146N1012, SRM 51-40-02,