As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AROUND A/C DATA PLATE LOCATED AT AFT EXTERIOR OF A/C. PERFORMED HFEC INSPECTION OF SKIN CUTOUT AT DATA PLATE AREA. NO INDICATIONS NOTED. PERFORMED CUT OUT AFFECTED AREA AND REMOVED DATA PLATED. FABRICATED DOUBLER, FILLER AND APPLIED CHEMICAL CONVERSION COMPOUND INCLUDING REWORKED AREA. COMPLETED REPAIR.