What was found
MULTIPLE AREA OF CORROSION ON FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT AT BS 500D LBL 23-RBL 23 WL 156.<[01] VERIFIED APPLICABILITY SRM 53-30-08-01-1 FOR IDENTIFICATION AND SRM 53-30-08-1A-1 FOR ALLOWABLE DAMAGE.;[02] EVALUATED DAMAGE REMOVAL AT BLENDED AREA<BR>ON FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT<BR>AT BS 500D LBL 23-RBL 23 WL 156<BR>MEASUREMENTS L=1'' W=0.800' ORIGINAL THICKNESS= 0.071'; REMAINING =0.050'; MATERIAL LOSS= 0.021';<BR>MAX MAT REMOVE ALLOWABLE =0.015';<BR>FOUND TO BE OUT OF LIMITS<BR>IAW SRM 53-30-08-1A-1 PARA 4A (2) FIG 103 DETAIL C.<BR>TOOL ID: ATS1698 S/N 1505370 DUE: 05/2023;[03] VERIFIED CORRECTIVE ACTIONS #1 AND #2;[04] REPLACED BULKHEAD SUPPORT <BR>WITH NEW PART 143A9485Y35 LOT 1523874-1<BR>LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 143A9481<BR>NEW PART WILL BE INSTALLED WITH COSTUMER CARD #TTG8Q004C3LZ;[05] VERIFIED CORRECTIVE ACTION #4 AND MEASUREMENT TABLE