What was found
CORROSION ON INTERCOSTAL AT STA 312+8; LBL 45; WL 208. / [01] VERIFIED APPLICABILITY FOR SRM 53-10-51-1A-1<BR>REMOVED CORROSION FROM THE INTERCOSTAL OF THE FLOOR STRUCTURE AT STA 312+8 LBL 45 WL 208; WITH ORIGINAL THICKNESS 0.040' AND MEASUREMENTS OF THE REWORKED AREA L= 2.100' W= 1.200' D= 0.010' FOUND OUT OF LIMITS IAW SRM 53-10-51-1A-1<BR>TOOL: DIAL DEPTH GAUGE<BR>ID: ATS401<BR>S/N: UNKNOWN<BR>DATE: 10/2021<BR>DUE: 10/2022;[02] EDITED DAMAGE CHART;[03] VERIFIED CORRECTIVE ACTION 1.;[04] REMOVED AND REPLACED NEW INTERCOSTAL AT BS 312+8'; LBL 45; WL 208 IAW SRM 51-40-02 AND BOEING DWG 141A5400;[05] VERIFIED MEASUREMENT TABLE.;[06] VERIFIED CORRECTIVE ACTION 4.