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 SHEAR TIE FLOOR STRUCTURE AT FR 76 BTWN STR 28R TO STR 29R ON AFT CARGO COMPARTMENT; REPLACED SHEAR TIE FLOOR STRUCTURE LOCATED AT LEVEL FR 76 BTWN STR 28R TO STR 29R ON AFT CARGO COMPARTMENT. IAW E190 SRM-51-40-08 & DWG 170-65180-4445 REF AEROMAN N/R 20180-287278.