As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON COUNTERSINK AT RT WING ACCESS PANEL 1472C. THE ACCESS PANEL WAS REPLACED AND COUNTERSINK WERE MEASURED AND MAX DIAMETER ALLOWABLE IS .532" AND MAX DIAMETER MEASURED IS .620" IN, 5, HOLES THEREFORE IS OUT OF LIMITS IAW SRM 51-22-2A.