What was found
INTERCOSTAL CORRODED AT STR 20 RT, BETWEEN FRAMES 333.00-349.00. CORROSION DAMAGE IS BEYOND LIMITS OF SRM 53-21-23-101-0002-A01. REMOVED INTERCOSTAL AND ATTACH CLEAT AT FS 349 IAW SRM 51-42-06-001-001-+A01, 51-42-21-001-001-A01. INSTALLED INTERCOSTAL AND CLEATS AT FS 333-349, STR 20 RT IAW DWG SH670-32004 AND SRM 51-42-06-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE INTERCOSTAL SH670-32004-1 IAW DWG SH670-32004 AND SRM 51-40-11-001-001-A01. COMPLETED INSTALLATION OF GUSSET PLATES AT STR 20R, FS 349 AND FS 333 COMMON TO FREE FLANGE OF STR 20R INTERCOSTAL IAW SRM 51-42-21-001-001+-A01 DWG SH670-31950.