As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON COUNTERSINK AND SETTLEMENT AREA ON ACCESS PLATE 1363C AT LT WING CORROSION ON COUNTERSINK AND SETTLEMENT AREA WAS REMOVED AND COUNTERSINK HOLES WAS MEASURED. MAX DIAMETER ALLOWABLE IS 0.532" AND MAX DIAMETER MEASURED ON 3 ADJACENT HOLES IS 0.565", THEREFORE, IT IS OUT OF LIMITS IAW SRM 51-22-2A AND WAS REPLACED IPC 51-22-2A.