What was found
CORROSION ON AFT SHIELD AT FWD CARGO BAY BS500+5 RBL23 WL156. EVALUATED CORROSION ON SHIELD, FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM & REQUIRES REPLACEMENT IAW SRM 51-10-02-0G-0. REMOVED SHIELD BS 492-500A RBL 23 WL 156 IAW SRM 51-40-02-0G-0. LOCATED DRILLED DEBURRED NEW SHIELD PER SRM 51-40-05-0G-0 DWG 143A0080. INSTALLED FWD CARGO BAY AFT SHIELD BS 492-500A RBL 23 WL 156 IAW SRM 51-40-02-0G-0 DWG# 143A0080.