What was found
CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 727B+6-767.<[01] EVALUATED CORROSION AT ALL LOCATIONS ON FLOOR TO SIDEWALL SUPPORT; FOUND DEEPEST LOCATION TO BE AT BS 727D+10 RBL 21 WL 156; FOUND 0.015 REMOVED FROM ORIG 0.040 IN NUMEROUS 1'X1' AREAS; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ATS 2473 DUE 08/2023;[02] VERIFIED CORRECTIVE ACTION #1 AND MEASUREMENT FIELD.;[03] FABRICATED; LOCATED; DRILLED; APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON NEW AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT BS 727 TO 767 RBL 21 PER SRM 51-40-05-0G-0; SRM 51-20-01; SOPM 20-41-02; DWG 146A7500; AND DWG 146A7502;[04] VERIFIED CORRECTIVE ACTION 3;[05] INSTALLED NUT PLATES ON FLOOR TO SIDEWALL SUPPORT BS 727 TO 767 RBL 21 PER DWG 146A7500; AND DWG 146A7502;[06] VERIFIED CORRECTIVE ACTION 5 AND MEASUREMENT TABLE