As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT TRACK RT SIDE MAIN UPPER DECK CARGO FR 16 TO FR 18 TRACK NR 4 REMOVED LEVEL 1 CORROSION. REMOVED DAMAGED SECTION OF SEAT TRACK NR 4 RT, FABRICATED REPLACEMENT PART IAW DWG 53610798 AND REPLACED SEAT TRACK NR 4 RT SECTION BETWEEEN FR 16 AND FR 18 IAW SRM 53-40-21.