What was found
CORROSION ON AFT CARGO BAY AFT DOOR SHIELD AT RBL 21 BS 847+8. / [01] NO ALLOWABLE DAMAGE LIMITS FOUND IN SRM FOR ACB AFT SHIELD; PART TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G-0 9.C.;[02] VERIFIED APPLICABILITY OF SRM 51-10-02-0G-0;[03] VERIFIED CORRECTIVE ACTION #1;[04] RECEIVED NEW SHIELD P/N 146A8127-10ATSMRO;LOCATED AND DRILLED AFT CARGO BAY DOOR SHIELD AT RBL 21 BS 847 TO BS 867 IAW SRM 51-40-05 AND DWG 146A8127 REV:-.;[05] UPDATED MEASUREMENTS;[06] VERIFIED CORRECTIVE ACTION ENTRY 4. CARD COMPLETE.