As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6401 MCO-SAL, ON HEAVY MAINTENANCE CHECK FOUND CORROSION ON LOWER SILL LOCATED ON PASSENGER CREW/DOOR FR 68 AND STR 23R. PERFORMED PERMANENT REPAIR ON LOWER SILL LOCATED ON PASSENGER CREW/DOOR FR 68 AND STR 23R IAW SRM A320 53-41-14 AND EC A13-043-01.