What was found
CORROSION FOUND AFT CARGO DOOR CUTOUT LOWER SILL STRAP AT STA 787 +16 RBL 20 W.L. 155.5 / [01] REMOVED CORROSION AT AFT CARGO DOOR CUTOUT LOWER SILL STRAP STA 787+16 RBL 20 WL 155.5 AS PER REF B737-700 SRM 51-10-02-0G-0;[02] VERIFIED STEP 1.;[03] PERFORMED UT THICKNESS INSP ON REWORKED AREA IAW B737 NDT P4 51-00-00 PROC.3 ; MIN THK. NOTED 0.050'<BR>TOOL USED : OLYMPUS 27MG B/C 172139 04/22;[04] EVALUATED REWORKED AREA. ORIGINAL THICKNESS 0.100'; MATERIAL LOST 0.050'; MATERIAL REMAINING 0.050'. FOUND OUT OF LIMITS AS PER REF B737-700 SRM 53-60-15-1A-1;[05] REMOVED AFT CARGO DOOR CUTOUT LOWER SILL STRAP STA 787+16 RBL 20 WL 155.5 AS PER REF B737-700 SRM 51-40-02-0G-0;[06] LOCATED AND DRILLED NEW AFT CARGO DOOR CUTOUT LOWER SILL STRAP AS PER REFERENCE B737-700 SRM 51-40-05-0G-0.;[07] VERIFIED STEPS 4; 5 AND 6. OK TO INSTALL NEW STRAP.;[08] STARTED INSTALLATION OF THE NEW AFT CARGO DOOR CUTOUT LOWER SILL STRAP AS PER REFERENCE B737-700 SRM 51-40-02-0G-0 AND DWG #146A8120.;[09] INSTALLED NEW AFT CARGO DOOR CUTOUT LOWER SILL STRAP AS PER REFERENCE B737-700 SRM 51-40-02-0G-0 AND DWG #146A8120.;[10] VERIFIED STEPS 8 AND 9.