What was found
AFT PIT WEB CORROSION AT BS 747 TO 767; RBL 22; WL 153 / AFT CARGO WEB CORROSION AT B.S. 747 TO B.S. 767 RBL 22; WL 153. BLENDED AND REMOVED CORROSION I/A/W SRM 51-10-02-0G-0 AND CHECKED WITH 10X MAG. MATERIAL THICKNESS IS .040. MAT LOSS IS .016 REMAINING THICKNSS IS .024 'OUT OF LIMITS' I/A/W SRM 53-00-53-1A-2. DRILLED AND REMOVED INTERCOSTAL WEB I/A/W SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW INTERCOSTAL WEB I/A/W SRM 51-40-05-0G-0 ALSO BOEING DWG 146A7500 REV: - . INSTALLED NEW INTERCOSTAL WEB I/A/W SRM 51-40-02-0G-0 ALSO BOEING DWG 146A7500 REV: -. APPLIED C.I.C TO AREA I/A/W AMM 51-21-91-620-802