As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT LOWER WING PLANK FUEL TANK ACCESS DOOR 540BB CUTOUT AT WS 54.897 HAS FRETTING CORROSION AT INBD AND OTBD ENDS AND AFT EDGE. CENTER INBD DAMAGE MEASURES APPROX 10.3" LONG X 0.11" WIDE AND 0.003" DEEP, OTBD DAMAGE MEASURES APPROX 9.3", L X 0.21" W X 0.004" D, AFT CENTER DAMAGE MEASURES APPROX 1" L X 0.050" W X 0.002" D. COMPLIED WITH EC/TC EO 600-57-81 C/W IAW REO 601R-57-21-030, REV L.