What was found
AFT CARGO BAY - SIDEWALL SUPPORT HAS CORROSION LBL 21.5 BS 727D+3; BS 727D+9; BS 727D+10.<[01] VERIFIED APPLICABILITY FOR IDENTIFICATION IAW SRM 53-60-53-0I-2<BR>AND ALLOWABLE DAMAGE IAW SRM 53-00-53-1A-2;[02] VERIFIED CORRECTIVE ACTION STEP 1.;[03] REMOVED CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21.5 BS 727D+9<BR>DIMENSIONS L=0.600' W= 0.800' DEPTH:0.015'<BR>ORIGINAL MATERIAL THICKNESS 0.040' IAW BAC 1496-377 REMAINING THICKNESS : 0.025'<BR>AND FOUND TO BE OUT OF LIMITS; IAW SRM 53-00-53-1A-2<BR>TOOL USED: ID ATS 2473 S/N: UNKNOWN DUE: 08/2023;[04] VERIFIED CORRECTIVE ACTION STEP 3.;[05] FABRICATED LOCATED AND DRILLED <BR>NEW FLOOR TO SIDEWALL SUPPORT AND SPLICE <BR>FROM BS727 TO BS847 LBL 21.5<BR>PER SRM 51-40-05-0G-0; SRM 53-00-53-2R-6 AND DWG 143A7502 MATERIAL USED BAC1496-377#7075T62 LOT: 1515191-1<BR>OK TO TREAT AND PRIME ON<BR>NEW FLOOR TO SIDEWALL SUPPORT AND NEW SPLICE;[06] VERIFIED CORRECTIVE ACTION 5.;[07] APPLIED CHEMICAL CONVERSION COATING AND PRIMER<BR>ON FLOOR TO SIDEWALL SUPPORT AND SPLICE<BR>IAW SRM 51-20-01 AND SRM SOPM 20-41-02 <BR>OK TO INTALL REPAIR SPLICE;[08] VERIFIED CORRECTIVE ACTION 7.<BR>OK TO INTALL REPAIR SPLICE;[09] INSTALLED SPLICE REPAIR ON SIDEWALL SUPPORT <BR>BETWEEN BS 727E AND BS 747 LBL 21.5 <BR>IAW SRM 53-00-53-2R-6 <BR>ALL MAINTENANCE TASKS HAVE BEEN COMPLETED;[10] UPDATE ITEM 19 ON MEASUREMENT TABLE;[11] VERIFIED MEASUREMENT TABLE;[12] VERIFIED CORRECTIVE ACTION 9 AND 10