As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LAYOVER IN ATL, CORROSION WAS FOUND IN THE SKIN JUST AFT OF THE NLG DOOR CUT-OUT. THE CORROSION IS LOCATED BETWEEN STRINGERS 33 AND 34 AT APPROX. FS 469. ALSO, TWO DENTS WERE DISCOVERED BETWEEN FS 469 AND FS 489. THE DAMAGE WAS CLEANED UP, FILLED AND REINFORCED. *** REV B TO ER/A PROVIDES FAA APPROVAL FOR REPAIR ***