As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION OF AFT CARGO AREA WE ENCOUNTERED HEAVY CORROSION ON AFT CARGO FLOORBEAM. CORROSION WAS REMOVED WITH BLENDING AND NDT PERFORMED ON DAMAGED AREA. EDDY CURRENT INSPECTION REVEALED NO CRACK INDICATION, ULTRASONIC REMAINING THICKNESS SHOWN REMAINING FITTING THICKNESS IS OUT OF THE LIMITS PER SRM 53-61-43 AND 53-00-00.