What was found
LEFT WING FUEL TANK ACCESS PANEL 543AB HAS CORROSION ON LOWER SURFACE. REMOVED CORROSION ON PANEL 543AB PER SRM 57-20-01. FOUND TO BE OUT OF LIMITS IAW SRM 57-20-01, FIG 201, DETAIL I, SECTION AA, NOTE B, WITHIN .1" OF SEAL. REPLACED PANEL 543AB IAW AMM 28-11-01.