What was found
CORROSION FWD CARGO BAY ON BULKHEAD SUPPORT BS 500I RBL 23 TO LBL 23 WL 156<[01] ATTACHED PHOTO;[02] EVALUATED CORROSION AT ALL LOCATIONS OF BULKHEAD SUPPORT; FOUND DEEPEST LOCATION TO BE AT BS 500I RBL 20 WL 156; FOUND 0.020 REMOVED FROM ORIG 0.071 IN NUMEROUS 1'X1' AREAS; FOUND TO BE OUT OF LIMITS PER SRM 53-30-08-1A-1 USING DIAL DEPTH GAUGE ATS 2473 DUE 08/2023;[03] VERIFIED STEPS 1; 2 AND MEASUREMENT FIELD.;[04] REMOVED CORRODED FCB AFT CENTER LOWER BULKHEAD SUPPORT ANGLE BS500I; RBL23 TO LBL23; WL156 PER SRM 51-40-02-0G-0.;[05] LOCATED AND DRILLED NEW FCB AFT CENTER LOWER BULKHEAD SUPPORT ANGLE BS500I; RBL23 TO LBL23; WL156 PER DWG 143A7902 AND SRM 51-40-05-0G-0. OK TO INSTALL.;[06] VERIFIED CORRECTIVE ACTION 5;[07] BEGAN INSTALLING NEW FCB AFT CENTER LOWER BULKHEAD SUPPORT ANGLE BS500I; RBL23 TO LBL23; WL156 PER DWG 143A7902 AND SRM 51-40-05-0G-0.;[08] INSTALLED NEW FCB AFT CENTER LOWER BULKHEAD SUPPORT ANGLE BS500I; RBL23 TO LBL23; WL156 PER DWG 143A7902 AND SRM 51-40-02-0G-0.;[09] VERIFIED CORRECTIVE ACTION #8