What was found
CORROSION FOUND AFT CARGO DOOR CUTOUT FWD SHIELD HAS SPOTS OF CORROSION. / [01] REMOVED CORROSION FROM AFT CARGO CUTOUT FWD SHIELD AS PER REFERENCE 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 0.021' <BR>TOOL USED : OLYMPUS 27MG B/C 172139 CAL DUE:04/23;[04] EVALUATED REWORKED AREA. ORIGINAL THICKNESS .050' MATERIAL LOST .029' REMAINING THICKNESS .021'. OUT OF LIMITS AS PER REFERENCE B737-700 SRM 53-60-15-1A-1;[05] LOCATED AND DRILLED NEW SHIELD P/N 146A8127U12 AS PER REF B737-700 SRM 51-40-05-0G-0. THE NEW SHIELD WILL BE INSTALLED IN ITEM TTG8Q004EJYR;[06] VERIFIED STEP 5.