What was found
TWO CORROSION SPOTS AT INTERNAL SKIN IN THE AREA OF C69, P'47 RHS. HEAVY CORROSION AT CONNECTING SECTION AT C67, P'48 RHS (P/N: A539-78339-200 AND A539-78339-200-90). REPAIR PERFORMED BY BLEND OUT CORROSION SPOTS AT INTERNAL SKIN IAW SRM 51-74-10, IN LIMIT. CROSSBEAM CONNECTION IS REPLACED IAW SRM 51-72-10.