As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AND C.P.C.P. INSPECTION, FOUND FLOOR BEAM INTERCOSTAL FROM BS 344 - BS 360 AT BL 10R CORRODED. FABRICATED REPLACEMENT INTERCOSTAL OF 7075-T6, DASH 090 T-ANGLE PER SRM 51-40-3. TREATED AND PRIMED PER SRM 51-10-2. INSTALLED PER SRM 51-30-2.