What was found
AFT CARGO COMPARTMENT FLOOR STRUCTURE RT Z-ANGLE STA 727G+10 TO 767; RBL25; WL154 HAS AREAS OF CORROSION. REMOVED CORROSION ON RT Z-ANGLE STA 727G-10 TO 767; RBL 25; WL 145 IN AFT PIT CARGO COMPARTMENT AND VERIFIED WITH 10X MAGNIFYING GLASS. ALL CORROSION REMOVED, IAW SRM 51-10-02-0G-0; ORIGINAL THICKNESS .040' REMAINING THICKNESS .033'; MATERIAL LOSS OF .007' OUT OF LIMITS. FABRICATED REPAIR PARTS FOR RT Z ANGLE AND INSTALLED, IAW SRM 53-00-53-2R-5 AND BOEING DWG 146A7500 REV - P/N 146A7502-31 AAR TOOL 36646 DATE 10/07/21.