What was found
CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT RBL 21 BS 727A+2; BS 727A+14; BS 727B+2; BS 727B+6; BS 727B+10; BS 727B+14; BS 727C+10. / [01] VERIFIED APLICABILITY: SRM 53-60-53-01-2 FOR IDENTIFICATION; AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE.;[02] REMOVED CORROSION ON AFT CARGO BAY TO SIDEWALL SUPPORT AT RBL21 BS 727A+14 PER SRM 51-10-02 EVALUATED AS FOLLOW: L=2' W=1' D=0.006'; ORIGINAL THICKNESS 0.040' PER BAC1496-377; REMAINING THICKNESS 0.034'; BLENDED AREA FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 PARA 4A (2) FIGURE 103 DETAIL D.<BR>USED TOOL MICROMETER ID: ATS1672 S/N 65092939 DUE DATE 03/<BR>2023.;[03] VERIFIED CORRECTIVE ACTIONS #1 AND #2<BR>MEASUREMENT TABLE VERIFIED;[04] LOCATED AND DRILLED NEW SIDEWALL SUPPORT (ZEE) P/N 146A7502-51 LOT: 1496140-1 IAW SRM 51-40-05 AND DWG 146A7500.<BR><BR>REMOVAL AND INSTALLATION ACCOMPLISHED ON CARD AD<BR>ID: TTG8Q004EMMQ;[05] UPDATED MEASUREMENTS FIELD ITEM 8;[06] VERIFIED CORRECTIVE ACTION 4.;[07] VERIFIED CORRECTIVE ACTION 4 AND MEASUREMENT TABLE.