As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK THE PAX DOOR LOWER FRAME WAS FOUND TO BE CORRODED AROUND THE NUTPLATE HOLES FOR THE DOOR LINER FASTENERS. MX REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5210-01154. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.