What was found
DURING 4800/9600 HR STRUCTURAL INSP OF ACFT, THE FOLLOWING CORROSION WAS FOUND AND REPAIRED. CORROSION THROUGH SKIN AT FRAME/FUSELAGE STA 289.92-RT OF CENTERLINE EXTERIOR BOTTOM. REPAIRED BY REMOVING/TREATING CORROSION AND INSTALLING DOUBLER 2024 T3 .040 APPROX 33" X 10" IAW ER NR 8173-2. CORROSION THROUGH SKIN ALONG CTR LINE AT FUSELAGE STA 472.00. REMOVED CORROSION AND INSTALLED DOUBLER APPROX 6" X 8" FROM 2024 T3 .040 IAW SRM 53-00-00 AND REPORT 8173-2 (LISTED ABOVE). CORROSION THROUGH SKIN ALONG CENTERLINE AT STATION 556.00. REMOVED CORROSION AND INSTALLED DOUBLER APPROX 7" X 8" FROM 2024 T3 .040 IAW SRM 53-00-00 AND ER 8173-2.