As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING TANK ACCESS PANEL 641GB HAS SURFACE CORROSION ON LOWER SURFACE. REMOVED CORROSION ON PANEL 641GB PER SRM 57-20-01. FOUND TO BE OUT OF LIMITS PER SRM 57-20-01, FIG 201, DETAIL I SECTION AA, NOTE B. CORROSION WITHIN 0.10" OF SEAL. REPLACED PANEL 641GB IAW AMM 28-11-01.