As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FLOOR INTERCOSTAL CORROSION AT STA 1598 FROM LBL 11 TO LBL 33 IN THE AREA AFT OF BULK CARGO COMPARTMENT. FABRICATE P/N: 146T5649-3 I.A.W BOEING DWG NO: 146T5649 SH 1 REV."-"; AND ORIGINAL PART AS A SAMPLE I.A.W. GMM-MTX CH 9.08 REV. 15.2. INSTALLED FABRICATED INTERCOSTAL I.A.W SRM 51-40-02-0G REV. 95 AND DWG NO: 146T5650 SHEET 2 REV. A.