What was found
INTERCOSTAL CORRODED AT STRINGER 20R BETWEEN BS 319.70-340. IAW STRUCTURE INDENTICATION SRM 53-21-23-001-002-A01 INTERCOSTAL ATTACHES TO STR 20RT REMOVE CORROSION AND ENSURE WITHIN LIMITS IAW SRM 53-21-23-101-002-A01. INTERCOSTAL OUT OF LIMITS DUE TO MORE THAN 30 PERCENT OF ITS LENGTH DAMAGED IAW SRM 53-21-23-101-002-A01. REMOVED STR 20R, INTERCOSTAL, 3EA ATTACH CLIPS IAW SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01. LOCATED AND STARTED INSTALLING INTERCOSTAL AND STRINGER 20R IAW SRM 51-42-06-001-001-A01 AND DWG SH670-31950. INSTALLED INTERCOSTAL AND 3 EA ATTACH CLIPS AT STR 20 IAW SRM 51-42-06-001-001-A01.