As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE STATION 520 FLOORBEAM HAS DAMAGE IN THE TYPICAL LOCATIONS AT BOTH LBL 24.75 AND LBL 45.5. THE BEAMS ARE M/F FROM BAC1518-338, 7075-T6511 EXTRUSION. SUBMITTER STATES, THIS IS A GROUP 3 A/C PER S/B 737-53-1120, REV 1. REPAIRED PER ERA 330701-14 REV B.