As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON REF NR 2018-222180 SUPPORT BRACKET FLOOR STRUCTURE LOCATED AT FR76 AND BETWEEN S29R TO S-29L (2EA) ON AFT CARGO COMPARTMENT; REPLACED SUPPORT BRACKET FLOOR STRUCTURE LOCATED AT FR76 AND BETWEEN S29R TO S29L ON AFT CARGO COMPARTMENT IAW SRM 51-40-08 AND DWG 170-65180-433.