What was found
LEFT FUEL TANK WING PLANK ACCESS HOLE HAS EVIDENCE OF CORROSION & FRETTING AROUND LAND AREA 540BB. COMPLIED WITH ECTC EO-600-57-81 C/W REV K,Q ARE 2014-08-25. IAW RED 601R-57-21-030, SHEET 12, FLAG NOTE E, CONTACT CUSTOMER RESPONSE CENTER AS 100 PERCENT OF THE FUEL ACCESS HOLE LANDING WAS BLENDED UPON. RECEIVED REO 601R-57-21-2339, A DEVIATION TO GREO 601R-57-21-030, COMPLIED WITH EO 601R-57-21-2339. RECEIVED AND COMPLIED ECTC 601R-57-21-2339.