What was found
INNER ATTACH RIB, NR 4 FROM TOP, CORRODED BEYOND LIMIT AT LT, RT AND CENTER ATTACH POINTS. REMOVED CORROSION IAW DC9 SRM 52-01, PG 3. FORMED REPAIR ANGLES FROM 2024, .025. HEAT TREATED, LOCATED, DRILLED, ALODINED, PRIMED AND INSTALLED IAW DC9 SRM 51-10-2A, 51-10-4, 51-10-3, 51-30-2, 51-30-5.