As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND CORROSION ON CLAMP RING THE ACCESS PANEL 540CB LT WING FUEL TANK SSI 572040. L=0.05" W=0.03" D=0.001" APPROX. REPLACED CLAMP RING THE ACCESS PANEL 540CB LT WING FUEL TANK IAW AMM 57-27-11-000-001-A. THE INSTALLATION IS DOCUMENTED IN JOB CARD 5730-6014.