What was found
(AIRCRAFT NOT GROUNDED) (DEFECT DISCOVERED DURING THE AC HEAVY MX VISIT) NRC 9000-0008: (338-07) AFT CARGO, FLOOR STRUCTURE, CORROSION FOUND ON PROFILE AT FR 65 AND STR 38L / AFT CARGO, FLOOR STRUCTURE, PROFILE BTW FR63-65 AND STR 38L REPLACED AS PER SRM 51-72-11-911-001 REV. 158."