What was found
FWD CARGO COMPARTMENT THRESHOLD WEB MISSING PRIMER ON UPPER SURFACE & IS CORRODED ON UPR SURF. STA 827; WL 155 BL31 / REMOVED CORROSION FROM UPPER SURFACE OF FWD CARGO COMPARTMENT THRESHOLD WEB AND VERIFIED WITH A 10X MAGNIFYING GLASS IAW SRM 51-10-02-0G-0- NO CORROSION PRESENT; VERIFIED LIMITS ORIGINAL THICKNESS .045'; LOSS OF .006'; REMAINING .039'. OUT OF LIMITS IAW SRM 55-30-15-1A-1 FIG 103 DETAIL D. REPLACE WITH NEW WEB; NEW WEB; P/N 654A0003-58 INSTALLED IAW SRM 51-40-02-0G-0& BOEING DWG 143A8330 REV B AAR TOOL 36644 DATE 19 SEP19 ATAG WN1204