As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK SEAT TRACK INB LOBE LOCATED BETWEEN STA 1801 AND 1821 AT LBL74 HAS EXFOLIATION CORROSION. NEW SEAT TRACK SECTION PN:AFA7789-543 WAS REPLACED FROM STA 1771 TO 1887 AT LBL 75.25. THIS PRETAINS THE DAMAGED SECTIONS OF SEAT TRACK ON THIS NON-ROUTINE. SEE NON-ROUTINE N00068 WO# 81728 FOR DETAILS. MAJOR REPAIR.