What was found
ACB DOOR SURROUND; SUB THRESHOLD WEB CORROSION. BS827+2.5; RBL27; WL153 ; / [01] REMOVED CORROSION ON AFT CARGO BAY SUB THRESHOLD WEB AT BS 827+2.5' RBL 27 WL 153<BR>MEASURED L 1' X W 1' AND 0.006' DEEP. ORIGINAL THICKNESS .050'; REMAINING THICKNESS .049'<BR>FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 ALLOWABLE DAMAGE 1 - AFT CARGO DOOR SURROUND STRUCTURE TO BE REPAIRED BY REPLACEMENT. REMOVED CORROSION ON AFT CARGO BAY SUB THRESHOLD WEB AT BS 827+2.5' RBL 27 WL 153, MEASURED L 1' X W 1' AND 0.006' DEEP. ORIGINAL THICKNESS .050'; REMAINING THICKNESS .049'. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 ALLOWABLE DAMAGE 1 - AFT CARGO DOOR SURROUND STRUCTURE LOCATED AND DRILLED ACB SURROUND SUB THRESHOLD WEB IAW DWG 146A8120 SH42 REV A & SRM 51-40-05; [04] LOCATED AND DRILLED ACB SURROUND SUB THRESHOLD WEB IAW DWG 146A8120 SH42 REV A ;DWG 146A8340 SH16 AND SRM 51-40-05; [05] INSPECTED AND VERIFIED CORRECTIVE ACTION ITEMS 1 THRU 4. OKAY TO INSTALL NEW SUB THRESHOLD WEB. REINSTALLED AFT CARGO BAY SUBTHRESHOLD WEB. IAW SRM 51-40-02; DWG 146A8340 ID:0021 REV:-; [07] VERIFIED ACTION 6; [08] VERIFIED ACTION 6.