As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DOING BUY BACK ON THE 280 FWD FLOOR STRUCTURE NOTICED THAT THE I/B ANGLE CLIP IS CRACKED AT THE I/B SIDE OF LBL 9 AND AFT SIDE OF BEAM 280, IN THE CABIN BELOW THE FLOOR. REMOVED CRACKED ANGLE AT FS280 ON I/B SIDE OF LBL 9 LONGITUDIUAL BEAM FABRICATED/INSTALLED NEW ANGLE IAW SRM 51-42-21.