What was found
DURING SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, FOUND FRAME AT BS 460.0 BETWEEN STR 20L - STR 21L, AREA HAS TWO EACH CRACKS EMANATING FROM RIVET HOLES AT INNER CORD. FABRICATED FORMED SECTION REPAIR FROM 7075-0 .063 INCH IAW SRM 51-40-3. HEAT TREATED TO T-6 IAW BAC 5602. STOP DRILLED CRACKS. NDT VERIFIED CRACK TERMINATED IAW SRM 51-10-1. INSTALLED FORMED SECTION REPAIR IAW SRM'S 51-40-3, 51-30-2, AND 51-10-2. REF: N/R 060-N1-0467/50795.