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 MCN, THE LT AND RT AFT DOUBLERS AT FS 718 BETWEEN STRINGERS 10 AND 12 WERE FOUND TO BE CRACKED BEYOND LIMITS. MAINTENANCE REPAIRED THE LT AND RT AFT DOUBLERS AT FS 718 BETWEEN STRINGERS 10 AND 12 IAW ASA EO 600-53-0067A. (M)