As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS COUNTERSINKS ON FUEL PANEL 523AT HAVE PITTING CORROSION. REMOVED CORROSION FROM COUNTERSINKS ON FUEL PANEL 523AT MEASURED FASTENER HEAD AT .0165 BELOW FLUSH IAW TUC6161. PANEL OUT OF LIMITS, IAW SRM 57-10-35, REPAIR -03. PANEL INSTALLED.