What was found
CORROSION ON SUBTHRESHOLD WEB AT AFT CARGO BAY BS802 - BS807+4; BS827+6; BS827+8 RBL26. MARKED. ; / [01] REMOVED CORROSION ON AFT CARGO BAY SUBTHRESHOLD WED AT DISCREPANCY AREA FOUND TO BE OUT LIMITS BS.807+4 L=1.800' W=0.800' D=0.015' ORIGINAL THICHNESS O.O45' REMAINING MAT 0.030 MAT LOSS 0.015' IAW SRM 53-60-15-1A-1 . USED TOOL DIAL DEEPTH GAGE; ID ATS1225; DATE 07/2021;DUE 07/2022; [02] VERIFIED CORRECTIVE ACTION ENTRY 1.; [03] LOCATED AND DRILLED NEW SUBTHRESHOLD WEB AT BS 797 TO BS 847 RBL 26; IAW B 737-<BR>700 SRM 51-40-05-0G-0 DWG 146A8340.-; [04] VERIFIED CORRECTIVE ACTION 3.; [05] PRIOR TO LOCATING AND DRILLING REPLACEMENT WEB; DAMAGED WEB WAS REMOVED PER SRM 51-40-02-0G-0. OK TO INSTALL NEW SUBTHRESHOLD WEB.; [06] VERIFIED CORRECTIVE ACTION ENTRY 5.<BR><BR>OK TO INSTALL SUBTHRESHOLD WEB; [07] INSTALLED NEW SUBTHRESHOLD WEB AT BS 797 TO BS 847 RBL 26; IAW. SRM 51-40-02-0G-0 DWG 146A8340.; [08] PART USAGE INFO; [09] VERIFIED NEW SUBTHRESHOLD WEB INSTALLED AT BS 797 TO BS 847 RBL 26; IAW SRM 51-40-02-0G-0 AND DWG 146A8340.