As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION OF THE RT TORQUE BOX STRUCTURE OF VENTRAL STAIRWAY OPENING REVEALED A 3 INCH CRACK IN THE UPPER HORIZONTAL BEAM AT FS 1263. THE CRACKED PART WAS REMOVED AND A NEW PART INSTALLED PER ER/A 380894-14AD. THE CRACK IS TYPICAL OF BAC S/B 727-53-0129.