What was found
CORROSION AFT CARGO BILGE R/H Z CHANNEL @ S-25R FROM STA 727 TO 727E ; / [01] REMOVED CORROSION AT AFT CARGO BILGE R/H CHANNEL @ S-25R FROM STA 727 TO 727 E; [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] ORIGINAL . THICKNESS .040;MATERIAL LOST 0.10'.MATERIAL REMAINING 0.30FOUND OUT LIMITS IAW B-737-700 SRM 53-00-53LA-2; [06] CERTIFIED EVALUATION; [07] VERIFIED EVALUATION. FOUND OUT OF LIMITS.; [08] REMOVED R/H 'Z' CHANNEL AT AFT CARGO FROM STA 727 TO STA 767 AS PER B737-700 SRM 51-40-02-0G-0.; [09] LOCATED AND DRILLED NEW 'Z' CHANNEL AS PER B737-700 SRM 51-40-05-0G-0.