As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON COUNTERSINK OF FUEL ACCESS PANEL 1466C AT RT WING. CORROSION WAS REMOVED IAW SRM 51-22-2A AND COUNTERSINK HOLES WERE MEASURED MAX DIAMETER ALLOWABLE IS 0.660" AND MAX DIAMETER MEASURED IS 0.670" IN 3 ADJACENT HOLES THEREFORE OUT OF LIMITS IAW SRM 51-22-2A AND WAS REPLACED.