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 OF FUEL ACCESS PLATE 620MB. CORROSION ON COUNTERSINK OF FUEL ACCESS PLATE 620MB WAS REMOVED IAW SRM 51-10-04 AND WAS MEASURED MAX DIAMETER ALLOWED IS 0.532" AND MAX DIAMETER MEASURE IS 0.58" IN 3 HOLES ADJACENT THEREFORE IS OUT OF LIMITS IAW SRM 57-10-01 CONDITION II (1)(A). REPLACE ACCESS PLATE AND VERIFIED WITH IPC 57-23-01.