As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, THE UPPER CABLE GUIDE FITTING ON THE CARGO DOOR WAS FOUND TO HAVE SEVERE EXFOLIATION CORROSION. CORROSION WAS APPROX .1875 IN DEPTH OVER AN AREA OF 1X .50. THE FITTING WAS REPLACED WITH A SERVICEABLE FITTING AS PER EMB MAINTENANCE MANUAL CHAPTER 20.