What was found
MULTIPLE AREA OF CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 727+4 TO BS 767.<[01] VERIFIED SRM 53-00-53-1A-2 TO BE APPLICABLE;[02] REMOVED CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 727+4 TO BS 767; DEEPEST AREA OF DAMAGE L=1.9' W=1.3' DEPTH = 0.015'; BEYOND 10% OF ORIGINAL MATERIAL THICKNESS OF 0.040'; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2.;[03] CALIBRATED TOOL USED; DIAL DEPTH GAUGE 643JZ(ATS2678) DUE: 02/29/24;[04] VERIFIED CORRECTION ITEM 1; 2 AND 3.;[05] FABRICATED; LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT FROM BAC1496-377 7075-T62 LOT: 1521599-1 IAW SRM 51-30-01-0G-0 & DWG 146A7502 ID: 0002 REV: A.;[06] COUNTERSANK FASTENER LOCATIONS ON REPLACEMENT FLOOR TO SIDEWALL SUPPORT PER SRM 51-40-08-0G-0 AND DWG 146A7502<BR><BR>OKAY TO APPLY CHEMICAL CONVERSION COATING AND PRIMER;[07] VERIFIED CORRECTIVE ACTION STEP 6 OK GIVEN;[08] APPLIED CHEMICAL CONVERSION COATING AND PRIMER PER AMM 51-21-41-370-802 AND AMM 51-21-72-370-804;[09] VERIFIED CORRECTIVE ACTIONS STEP 8.;[10] UPDATED MEASUREMENTS PARAMETERS ITEM 7 AND 8.;[11] TASK CARD COMPLETE;[12] VERIFIED CORRECTIVE ACTIONS 10;11 AND MEASUREMENT TABLE