As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPARTMENT STA 727A-727B LBL22 WL 158; INTERCOSTAL IS CORRODED ON UPPER FLANGE AT FASTENER HOLES. / REMOVED AND EVALUATED CORROSION. ORIGINAL MATERIAL THICKNESS .030' LOSS OF .020' WITH .010' REMAINING. BLEND FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2. REMOVED AND REPLACED -1 INTERCOSTAL PER SRM 51-40-02-0G-0 AND DWG 146A7502 REV-