What was found
CORROSION ON AFT CARGO BAY AFT DOOR SHIELD AT RBL 21 BS 847+8; BS 847+11; BS 847+16; BS 847+19.<[01] THIS PART DOES NOT HAVE ALLOWABLE DAMAGE LIMITS. IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G. STEP 9.;[02] VERIFIED CORRECTIVE ACTION ITEM 1. NO LIMITS ARE GIVEN AND PART CAN BE REPLACED PER SRM 51-10-02-0G.;[03] RECEIVED NEW SHIELD P/N 146A8127-10 LOT # 1511059 ON AFT CARGO BAY AFT DOOR SHIELD BS 847 TO 867 AT RBL 21 <BR>LOCATED AND DRILLED IAW DWG 146A8127 AND SRM 51-40-05.;[04] VERIFIED CORRECTIVE ACTION 3 AND THE MEASUREMENT TABLE.