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 SURFACE AT RT WING FUEL TANK ACCESS PLATE NR 1436C, MRB 57-083-02. CORROSION ON COUNTERSINK WAS REMOVED AND MEASURED. THE MAX DIAMETER ALLOWED IS .660" AND MAX DIAMETER MEASURED ON 3 HOLES ADJACENT IS 0.686", IT IS OUT LIMITS IAW SRM 51-22-2A. FUEL ACCESS PLATE NR 1436C WAS REPLACED.