As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A C-CHECK IN YUL, THE Z-FLOOR SUPPORT ON THE RIGHT SIDE BETWEEN FRAME 39 AND FRAME 41 WAS FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE Z-FLOOR SUPPORT ON THE RIGHT SIDE BETWEEN FRAME 39 AND FRAME 41 IAW SRM 51-25-01. (M)