As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HEAVY MAINTENANCE CHECK, THE FLOOR SUPPORT VERTICAL FLANGE AT STATION 1853 LBL 75 WAS FOUND CRACKED. MATERIAL ID AND FABRICATION OF FLOOR SUPPORT IAW DAC DWG AGA3814. ALODINED AND PRIMED IAW DC10 SRM 512101 VOL 2. INSTALLED IAW DC10 SRM 513501 VOL 2.