What was found
DURING SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, FOUND RT WING STATION 738.5 LOWER RIB FLANGE IS CRACKED AT STRINGER NR 8 ATTACH POINT. STOP DRILLED CRACK IAW B 727 SRM 51-10-1. FABRICATED CHANNEL FROM 7075-0 .080 4 INCH BY 15 INCH IAW B727 SRM 57-10-5. HEAT TREATED TO 7075-T6. DRILLED AND TRIMMED TO FIT AND DEBURRED IAW 51-10-5. TREATED AND PRIMED IAW SRM 51-10-2. INSTALLED REPAIR CHANNEL IAW SRM 51-30-2.