What was found
CORROSION ON FWD CARGO COMPARTMENT FLOOR TO SIDEWALL SUPPORT FROM STA 500A TO 500C+8; RBL 24; WL 156.5 / [01] REMOVED CORROSION ON FWD CARGO COMPARTMENT FLOOR TO SIDEWALL SUPPORT BETWEEN STA 500B+13' RBL 24; WL 156.5 MEASURE MAX.MATERIAL LOSS L=1.7' X W=.6' D=0.019' RT 0.021' FOUND TO BE OUT OF LIMITS; REWORKED AREA IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2 PARAG.4.A(2)(A) DETAIL E FIG. 103.<BR>ORIGINAL THICKNESS IS 0.04' PER SRM 53-30-53-0I-2 IDENTIFICATION 2 BAC 1496-444 TABLE 2 ITEM [1].<BR>USED TOOL : DEPTH GAGE: ID:ATS 2678<BR> S/N:UNKNOWN<BR> DUE: 04/2023.<BR>FLOOR TO SIDEWALL SUPPORT WILL BE REPAIR BY REPLACEMENT PER SRM 51-10-02 PARAG.9.C.;[02] VERIFIED ACTION 1; VERIFIED MEASUREMENT TABLE;[03] RECEIVED EXTRUSION P/N BAC1496-444; LOT 1490548-1.<BR> LOCATED AND DRILLED EXTRUSION BETWEEN BS. 500A - 500D; RBL. 24 WL. 156.5 IAW SRM 51-40-05-0G-0; DWG# 143A7501; DWG# 143A7500.<BR>OK TO TREAT AND PRIME.;[04] INSPECTED ACTION 3; OK TO TREAT AND PRIME;[05] APPLIED CHEMICAL CONVERSION COATING & TWO LAYERS PRIMER TO FLOOR TO SIDEWALL SUPPORT IAW SRM 51-20-01; SOPM 20-41-02. <BR>OK TO INSTALL BOND NUTPLATE.;[06] INSPECTED ACTION 5; OK TO INSTALL NUTPLATES;[07] INSTALLED BOND NUT PLATES IAW DWG# 140N4500 REV: H. THE REMOVAL AND INSTALLATION IS COMPLETED WITH THE CUSTOMER'S CARD # TTG8Q004F0PU STEPS # 10; 38. ALL MAINTENANCE ACTION ARE COMPLETED REQUEST FINAL BUY OFF.;[08] INSPECTION COMPLETE