What was found
AFT CARGO COMPARTMENT; RIGTH SIDE; FLOOR STRUCTURE 'Z' CHANNEL HAS EVIDENCE CORROSION BETWEEN STA 767 TO 787. WRONG NOMENCLATURE FOR PART USED NOT -CHANNEL IS SHIELD / [01] REMOVED CORROSION AT AFT CARGO COMPARTMENT; RIGTH SIDE; FLOOR STRUCTURE 'Z' CHANNEL BETWEEN STA 767 TO 787. PER REF SRM 51-10-02 -0G-0;[02] CORRECTION STEP#1;REMOVED CORROSION AT AFT CARGO COMPARTMENT; RIGTH SIDE; FLOOR STRUCTURE SHIELD BETWEEN STA 767 TO 787. PER REF SRM 51-10-02 -0G-0.;[03] VERIFIED REMOVED CORROSION;[04] PERFORMED UT THICKNESS INSP ON REWORKED AREA; IAW B 737 NDT PART 4 51-00-00 PROCE 3. TOOL OLYMPUS 27MG. BC 172139. CALIB DUE 4-13-23. MINI THICK 0.038';[05] EVALUATED REWORKED AREA AT AFT CARGO COMPARTMENT; RIGHT SIDE; FLOOR STRUCTURE 'Z' CHANNEL(SHIELD) BETWEEN STA 767 TO 787 MINIMUM THICKNESS: 0.038' ORGINAL MAT: 0.050' MAT LOST: 0.012 FOUND OUT OF LIMITS PER REF B737-700 SRM 53-60-15-1A-1.;[06] RECEIVED AND LOCATED AND DRILLED NEW SHIELD P/N:146A8127-12 AT AFT CARGO COMPARTMENT R/H BETWEEN STA 767 TO STA 787 PER REF B737-700 SRM 51-40-05-0G-0.;[07] VERIFIED EVALUATION.<BR>OK TO TREAT AND PRIME;[08] TREATED AND PRIMED NEW HOLES AT AFT CARGO COMPT SHIELD R/H SIDE BETWEEN STA 767 TO STA 787 PER REF B737-700 AMM 51-21-72-370-804 AND AMM 51-21-41-370-804.;[09] SHIELD P/N:146A8127-12 FOR INSTALLATION REFER TO TASK CARD#TTG8Q004AL4E.;[10] VERIFIED TREAT AND PRIME. <BR>VERIFIED INSTALLATION REFER TO TASK CARD#TTG8Q004AL4E