As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SETTLEMENT AND COUNTERSINK AREA OF WING ACCESS PLATE NR 620EB. CORROSION ON COUNTERSINK AND SETTLEMENT WERE REMOVED AND WAS MEASURED MAX DIAM ALLOWABLE IS 0.532" AND MAX DIAMETER MEASURED IS 0.565" AND WERE FOUND MORE TO 2 HOLES ADJACENT IAW SRM 57-10-01. THEREFORE IS OUT LIMITS AND ACCESS PLATE WAS REPLACED IAW IPC 57-22-01.