As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK, WHILE ACCOMPLISHING CPCP TASK C53-100-01 LEVEL LL CORROSION WAS NOTED AT BUTT SPLICE, STATION 1960 STRINGER 47R - 51R. REMOVED 11 3/4 INCH BY 2 INCH SECTION OF SKIN CORRODED OUT OF LIMIT IAW SRM 53-30-03. FABRICATED FILLER AND REPAIR DOUBLER IAW SRM 53-30-03 AND INSTALLED IAW SRM 53-30-03.