As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION THRESHOLD SHEET AT LOWER SILL STRUCTURE BTW FR25 PLUS 2.763 INCHES IN FWD CARGO COMPRTMENT; REMOVED AND REPLACED THRESHOLD SHEET AT LOWER SILL STRUCTURE BTW FR 254A AND FR28 IN FWD CARGO COMPARTMENT IAW A320 SRM 51-72-11 AND DWG# D53231794