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 INTERCOSTALS BETWEEN FRAME 38 TO FRAME 39 STRINGERS 16L AND 16R WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE INTERCOSTALS BETWEEN FRAME 38 TO 39 AT STRINGERS 16L AND 16R IAW SRM 51-25-01. (M)