As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION OF CORROSION TASK 46-53303 WHILE AIRCRAFT WAS IN C-CHECK LEVEL 2 CORROSION WAS FOUND ON THE FLOORBEAM UPPER CHORD AT STATION Y=200 FROM X=0 TO X=56. THE UPPER CHORD TEE WAS REPAIRED IAW KITTY HAWK EA D9-53-063. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)