What was found
DURING A SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL, THE FOLLOWING WAS FOUND, THE LEFT MAIN TANK STRINGER CLIP AT XRS 111.5 STRINGER 12-13 IS CORRODED. REMOVED CLIP CORRODED BEYOND 20 PERCENT LIMIT, DRILLED AND DEBURRED NEW CLIP IAW DC-9 SRM 51-10-4. TREATED AND PRIMED CLIP IAW DC-9 SRM 51-10-3. INSTALLED 100 PERCENT FAYING SEAL IAW DC-9 SRM 51-20-1. INSTALLED FASTENERS IAW DC-9 SRM 51-30-5. (M)