As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR LOWER MAIN SILL UPPER WEB HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED WEB IAW DWG 146A8340 REV:- ORIGINAL THICKNESS OF WEB IS .050. ORIGINAL THICKNESS .050 REMAINING THICKNESS .035, MAT. LOSS .015 AND IS FOUND TO BE OUT OF LIMITS.