What was found
AFT CARGO COMPARTMENT AFT BULKHEAD STRUCTURE LOWER CHORD STA 947 LBL10-RBL21 WL178 HAS CORROSION ON UPPER SURFACE / EVALUATED CORROSION ON AFT CARGO AFT B/H STRUCTURE LOWER CHORD AT STA 947 LBL 10 TO LBL 21 ANS WATER LINE 178; FOUND TO BE OUT OF LIMITS DUE TO NO PUBLISHED DATA IAW SRM 51-10-02-0G- STEP 9.C. REMOVED AND REPLACED; LOWER CHORD; P/N 149A8118-29 IAW SRM 51-40-02-0G-0 AND DRAWING 149A8110 REV B AND DRAWING 149A8117 REV - 149A8118-29