As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS DISCOVERED ON THE UPPER CARGO SEAT TRACK UPPER CHORD AT STATION 1180-1580, RBL 24. DAMAGE CAUSED BY CORROSION IN SEVERAL AREAS ALONG THE UPPER SURFACE WERE FOUND TO BE BEYOND ALLOWABLE AND REPAIRABLE LIMITATIONS. FABRICATED NEW SEAT TRACK SECTION FROM BAC1520-792 7178-T6511 ALUMINUM USING REMOVED PART FOR A DIMENSIONAL SAMPLE. REPLACED SEAT TRACK IAW AMES DOCUMENT 47050REA09, REV A AND SRM 51-40-02.