As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 3C INSPECTION FOUND RT SIDE OF FLOORBEAM FS 280 HAS 1 CRACK APPROXIMATELY 2 INCHES IN LENGTH ON THE FWD SIDE OF THE VERTICAL FLANGE. LEFT SIDE HAS 2 CRACKS APPROXIMATELY 2.5 INCHES IN LENGTH. 1 CRACK IS OTBD OF LBL 9.00 ON THE TOP FLANGE. THE 2ND CRACK IS ON THE FWD SIDE OF THE VERTICAL FLANGE INBD OF LBL 9.00. INSTALLED INBD & OTBD FLOOR SUPPORTS IAW SRM 51-42-20.