As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 DOOR FLOOR CHANNEL HAS CORROSION AT NUT PLATE HOLE UNDER AND TOP, FROM STA 680 TO STA 700 AND LBL 56, APPROXIMATELY. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM. REMOVED AND INSTALLED NEW CHANNEL IAW SRM AND DWG, REV B & F.