What was found
CORROSION ** AFT CARGO BILGE FLOOR SUPPORT Z CHANNEL @ S-25R FROM STA 727E TO 767 ; / [01] REMOVED CORROSION AT AFT CARGO BILGE FLOOR SUPPORT Z CHANNEL @ - 25R FROM STA 727E TO 767; [02] CERTIFIED REMOVAL CORROSION; [03] VERIFIED CORROSION REMOVAL; [04] PERFORMED UT THICKNESS INSP ON AFT CARGO REWORKED AREA IAW B737 NDT P4 51-00-00 PROC.3 ; MIN THICKNESS NOTED 0.031'<BR>TOOL USED : OLYMPUS 27MG BC:172139; [05] THE AFT CARGO BILGE FLOOR SUPPORT 'Z' CHANNEL @ S-25 FROM STA 727E TO 767 HAS BEEN REPLACED ON W/O 2017439; 1000/0081; B/C TTG8Q005E7WF.; [06] VERIFIED STEP 5; [07] RII INSPECTED