What was found
CORROSION FWD CARGO BAY SUB THRESHOLD WEB MULTIPLE AREAS AROUND NUT PLATE HOLES BS440+5' TO BS490' RBL 26 WL156<[01] EVALUATED CORROSION AT ALL LOCATION OF SUB THRESHOLD WEB; FOUND DEEPEST LOCATION TO BE AT BS 440+13 RBL 26 WL 156; FOUND 0.020 REMOVED FROM ORIGINAL 0.045 IN NUMEROUS 1'X1' AREAS; FOUND TO BE OUT OF LIMITS PER SRM 53-30-15-1A-1 USING DIAL DEPTH GAUGE NCX000697 DUE 09/2023;[02] VERIFIED STEP #1;[03] REMOVED SUBTHRESHOLD WEB BS 440 TO BS 492 RBL 26 WL 156 PER SRM 51-40-02-0G-0.;[04] LOCATED; DRILLED; DEBURRED AND INSTALLED NUT PLATES ON NEW SUB THRESHOLD WEB BS 440-492 RBL 26 WL 156 PER SRM 51-40-05-0G-0; SRM 51-40-02-0G-0; DWG 143A8330.;[05] OK TO INSTALL FCB SUBTHRESHOLD WEB .;[06] VERIFIED CORRECTIVE ACTION #4 AND MEASUREMENT TABLE<BR>OK TO INSTALL FCB SUBTHRESHOLD WEB GIVEN;[07] INSTALLED SUB THRESHOLD WEB; BS 440-492 RBL 26 WL 156 PER SRM 51-40-02-0G-0; DWG 143A8330.;[08] VERIFIED CORRECTIVE ACTION #7